espacenet ipc classification

You can enter up to ten classification symbols in the search field, each separated by a space, and the system will use the default Boolean operator AND. The most important classification system is the International Patent Classification (IPC). The IPC has a hierarchical structure and is subdivided into sections, classes, subclasses, groups and subgroups. You can refine your search by combining the Boolean operators AND or OR with proximity operators. Search , you can enter the classification symbol(s) with or without the field identifier. The complete IPC can be found on the website of the World Intellectual Property Organization (WIPO ). The CPC is subject to ongoing revision by both offices, and documents are reclassified accordingly. If you select several symbols they are automatically combined with the default operator AND. It is also more homogeneous and more systematic. subdivision, as you can see in this example: Baking; equipment for making or processing doughs; doughs for baking, Machines or equipment for making or processing doughs; handling baked articles made from dough, Mixing or kneading machines for the preparation of dough, with horizontally-mounted mixing or kneading tools; Worm mixers, International Patent Classification (IPC), F Mechanical engineering; lighting; heating; weapons; blasting. Once you have carried out a classification search by keywords and consulted the description for the statistically more relevant symbol or symbols, you can use the result to continue searching in this direction. The most important classification system is the International Patent Classification (IPC). Cooperative Patent Classification (CPC) The Cooperative Patent Classification (CPC) system, in force from 1 January 2013, is a bilateral system which has been jointly developed by the EPO and the USPTO. Classification symbols allocated by offices using the full IPC come before classification symbols allocated by offices classifying in main groups only, Invention information comes before additional information, Current IPC symbols come before old IPC symbols (versions 1-7), Old IPC symbols (versions 1-7) are displayed in normal font and prefixed with the label "(IPC1-7)". The most important classification system is the International Patent Classification (IPC). The IPC has a hierarchical structure and is subdivided into sections, classes, subclasses, groups and subgroups. Introduced in 1968, the IPC is used by all patent offices worldwide, some of which also use a national classification system. By May 2006, approximately 28 million documents can be searched in espacenet . A new version of the IPC enters into force each year on January . The IPC has a hierarchical structure and is subdivided into sections, classes, subclasses, groups and subgroups. Are the help files available in other languages. Coverage of classifications (IPC and ECLA) IPC symbols are allocated by different patent offices around the world. with the field identifier cpcc. However, if these documents have a classification symbol, they can be found using that symbol. Espacenet - European Classification (ECLA) Help European Classification (ECLA) The ECLA classification system is an extension of the International Patent Classification system. They are assigned classification symbols, for example A43B49. Patent applications are classified in classification schemes on the basis of their technical content. The IPC has a hierarchical structure and is subdivided into sections, classes, subclasses, groups and subgroups. Search modifiers should be entered in lower-case letters. A number (variable, 1-4 digits) denotes the IPC main group (e.g. When performing searches, patent examiners, inventors and companies need to obtain results that are as accurate as possible. You should bear in mind that when you search with a CPC or IPC symbol, you can only find documents to which a CPC or IPC symbol has actually been assigned. It contains data on more than 140 million patent documents from around the world. In Do not enter blanks in classification symbols. Espacenet: free access to millions of patent documents. Introduced in 1968, the IPC is used by all patent offices worldwide, some of which also use a national classification system. In order to see if a CPC group is aligned with the IPC or not, click on the notes (blue button) and/or warnings (yellow button). A63B49 "fuel cells") Select Classification System: Find CPC/IPC description . Every patent document, regardless of whether it is an application or a granted patent, is given a classification symbol by the examiner indicating its allocation to a specific area of technology. This is followed by a forward slash "/" and a number (variable, 2-6 digits) denoting the IPC subgroup (e.g. In the case of the CPC, if you are familiar with a particular CPC symbol or you have found one on some documents after a quick search based on keywords, you can check its description by entering it in the search field and clicking on Search. This makes it easier to manage and to search for patent applications in a given technical field Searching with classification symbols offers advantages over searching with keywords. Tip: Use quotes to search for exact phrases (e.g. It is divided into nine sections, A-H and Y, which in turn are sub-divided into classes, sub-classes, groups and sub-groups. It may therefore be worthwhile carrying out certain searches twice: once using keywords and once using CPC and IPC classification symbols. National patent offices' databases. The IPC has a hierarchical structure and is subdivided into sections, classes, subclasses, groups and subgroups. Certain documents cannot be found with a keyword search, because you cannot search for keywords in documents which do not have a title or abstract. Classification search Bibliographic data The International Patent Classification (IPC), established by the Strasbourg Agreement 1971, provides for a hierarchical system of language independent symbols for the classification of patents and utility models according to the different areas of technology to which they pertain. Espacenet: free access to millions of patent documents . Open classic Espacenet. Classification becomes more detailed at every further level or To be able to display the targeted IPC symbol, please select another view mode first. As part of the classification process, they are assigned classification symbols, which you can use to help you carry out more efficient searches on a given technical subject. A63), then a letter denoting the IPC subclass (e.g. In the IPC, the technology is divided into eight main sections: The IPC has a systematic and hierarchical structure. These buttons allow you to. A63B 2049/0235 One of the most precise classification systems available, the IPC currently divides technology into around 70,000 sub-areas. There are a number of buttons which you can activate or deactivate to adjust the display format. enter the classification symbol in the search field and click The IPC symbols are displayed according to the following priorities: The IPC symbols in the result list (and in the documents) are displayed as follows: You can search the IPC without using search modifiers. Introduced in 1968, the IPC is used by all patent offices worldwide, some of which also use a national classification system. Espacenet glossary Use relevant CPC/IPC for your search The Classification searcharea allows you to directly find patents corresponding to one or more relevant classification symbols identified in the CPC scheme. IPC Guide (2012) This means that your search will include all entries hierarchically below a certain group. The most important classification system is the International Patent Classification (IPC). The most important classification system is the International Patent Classification (IPC). a64b49 Find out if your invention is unique or if other inventors have filed patent applications that are considered to be prior art. Introduced in 1968, the IPC is used by all patent offices worldwide, some of which also use a national classification system. The IPC has a hierarchical structure and is subdivided into sections, classes, subclasses, groups and subgroups. A symbol with a large number of stars is potentially relevant, in statistical terms. Click on Copy to search form to export the results of a classification search to the Advanced search mask. As part of the classification process, they are assigned classification symbols, which you can use to help you carry out more efficient searches on a given technical subject. The technical content of almost all the patent documents published worldwide is classified using this system. Select Classification searchin themain navigation bar. The IPC has a hierarchical structure and is subdivided into sections, classes, subclasses, groups and subgroups. All you need to enter, for example, is either B65 (class level), B65D (subclass level), B65D81 (main group level) or B65D81/32 (subgroup level). The Cooperative Patent Classification (CPC) is an extension of the IPC and is jointly managed by the EPO and the US Patent and Trademark Office. They are assigned classification symbols, for example A43B49. Classification combination sets can only be searched in Patent applications are classified in classification schemes on the basis of their technical content. You can enter The IPC documentation is the largest available classified collection of patent documents - more than 37 million documents are classified with IPC. IPC: H04N 5/232 External links: Espacenet ; Global Dossier ; Abstract All you have to do is click the checkbox next to a symbol and the symbol will be copied into the box on the left. It is To do so, click on the text or the classification symbol to view the subdivisions, and repeat to view details of a particular subdivision. The most important classification system is the International Patent Classification (IPC). You can (re-)start a search with specific symbols. without any blanks. Introduced in 1968, the IPC is used by all patent offices worldwide, some of which also use a national classification system. The IPC has a hierarchical structure and is subdivided into sections, classes, subclasses, groups and subgroups. maintained by the World Intellectual Property Organization (WIPO) and is used in more than 100 countries worldwide. , omit this blank, otherwise your search will not retrieve any results. A number (variable, 1-4 digits) denotes the IPC main group (e.g. Find patents. panel under C-sets. Are the help files available in other languages? Are the help files available in other languages? You can display the 2000 series by clicking on the 2000 button in the Classification search . Patent applications are classified in classification schemes on the basis of their technical content. For more information on Espacenet, see the following pages: Patent searchA service provided in co-operation with the EPO. The IPC has a hierarchical structure and is subdivided into sections, classes, subclasses, groups and subgroups. A63B49* The standard formats which can be searched are illustrated below with examples of classifications related to Human necessities: Selected classifications. Patent search A service provided in co-operation with the EPO. One of the most precise classification systems available, the IPC currently divides technology into around 70,000 sub-areas. ECLA is revised continuously, and the documents are then . IPCPUB v8.0 - 16.12.2019 CPC 05.2019, FI 01.11.2018. The most important classification system is the International Patent Classification (IPC). Cooperative Patent Classification system (CPC), use the arrows to choose whether the symbols are displayed on the left and the titles on the right, or vice versa, toggle between an indented dot hierarchy or a tree structure, select whether the notes and warnings are visible or not, highlight only CPC-related text in green (click on the, select whether the references are shown or not, the date picker finds dates or date ranges when the schema was updated, show or hide the 2000 series, interleaved or at the end. This makes it easier to manage and to search for patent applications in a given technical field. The more stars that are displayed to the left of the description of the group, the more frequently the search query occurs in the documents of this group. Supporting information can help you understand whether a patent has been granted and if it is still in force. Patent applications are classified in classification schemes on the basis of their technical content. Classification search; Results; Feedback; Classification search. y general tagging of new technological developments; general tagging of cross-sectional technologies spanning over several sections of the ipc; technical subjects covered by former uspc cross-reference art collections [xracs] and digests; y10 technical subjects covered by former uspc; y10t technical subjects covered by former us classification . A63B). ; Enter a classification symbol (CPC or IPC, the former being part of the IPC) in the Classification search field and select Search.Truncation is not allowed. Select Classification search in the main navigation bar. By way of example, the simple search query tennis racket? Select the check box next to the identified classification symbol(s). You can enter up toten symbols. State-of-the-art searches would be virtually impossible without classification, because searching with keywords can often produce inaccurate and incomplete results due to the language in which patent documents are written and the terms used. Additional information is non-trivial technical information which does not in itself represent an addition to the state of the art but might constitute useful information for the searcher. Smart search If you do not enter a field identifier and your search term conforms to the CPC or IPC pattern, the search engine will automatically recognise your search term as a classification symbol and use cl as the general field identifier. do not enter Note: IPC symbols printed with a blank after the fourth letter or digit must be entered in the search field in Espacenet The International Patent Classification system (IPC), established by the Strasbourg Agreement 1971, is a hierarchical system which uses language-independent symbols to classify patents and utility models according to the area of technology to which they relate. Scheme; RCL; Compilation; Catchwords; Search; ACCUEIL CIB | DOWNLOAD or CPC indexing codes can only be used to classify and search 'additional information' - in a similar way as with IPC indexing codes. IPC classification symbols are made up of a letter denoting the IPC section (e.g. Almost all patent applications are classified in this internationally recognised classification system. This makes it easier to manage and to search for patent applications in a given technical field Searching with classification symbols offers advantages over searching with keywords. Introduced in 1968, the IPC is used by all patent offices worldwide, some of which also use a national classification system. It is however more precise, having twice as many entries (ECLA: 140 000; IPC: 70 000). Introduced in 1968, the IPC is used by all patent offices worldwide, some of which also use a national classification system. Areas of technology In the IPC, technology is divided into eight main sections: A Human necessities B Performing operations; transporting C Chemistry; metallurgy D Textiles; paper E Fixed constructions The IPC has a hierarchical structure and is subdivided into sections, classes, subclasses, groups and subgroups. Do not use wildcards in classification symbols, e.g. These are ordered lists of linked CPC symbols created by patent examiners. The technical content of patent documents is classified in accordance with the International Patent Classification (IPC). 2022-07-19 Published as CN114765653A . The publishing office assigns an IPC symbol valid at the time of publication of the patent application. You can find the text of the IPC and related documentation (e.g. Searching with classification symbols offers advantages over searching with keywords. It contains 134 000 subdivisions, ie about 64 000 more than the IPC , and is therefore more precise. A63B49). You can then browse the CPC scheme for more information and to find other classification symbols that might also be relevant for your search in a specific technical field. Patent classification is a system of sorting inventions and their documents into technical fields covering all areas of technology. This is called a combination set ("C-set", "combi set"). In some cases patent applications are assigned more than one classification symbol. y general tagging of new technological developments; general tagging of cross-sectional technologies spanning over several sections of the ipc; technical subjects covered by former uspc cross-reference art collections [xracs] and digests; y10 technical subjects covered by former uspc; y10t technical subjects covered by former us classification . Areas of technology In the IPC, the technology is divided into eight main sections: A Human Necessities In other words, A63B49 will search for all the symbols under main group A63B49/00 (including the main group itself). Patent classification systems make it easier to file and retrieve patent documents. The scope of a combination set can vary across technical fields. You can also search for relevant CPC symbols by starting with a simple query in the search field, followed by a click on Search. Visit the WIPO website to find more information about the IPC. A63B49). IPC classification symbols are made up of a letter denoting the IPC section (e.g. IPC symbols allocated by offices classifying in the full IPC: IPC symbols allocated by offices classifying in main groups only: non-italics. The most important classification system is the International Patent Classification (IPC). areas. Click on Find patents to start your search with the selected symbols. For the best search results, we recommend combining queries in the CPC/IPC fields with keyword queries in the Abstract field. Combination sets classify technical features in context or "taken in combination". The IPC has a hierarchical structure and is subdivided into sections, classes, subclasses, groups and subgroups. . The most important classification system is the International Patent Classification (IPC). The most important classification system is the International Patent Classification (IPC). You do not need to use wildcards, as the data is "auto-truncated", meaning that each symbol is indexed at different levels. The IPC has a hierarchical structure and is subdivided into sections, classes, subclasses, groups and subgroups. ) on the IPC page Espacenet is accessible to beginners and experts and is updated daily. . Enter Classification symbol: Select Content: Scheme Definitions CPC to IPC Concordance Select output format: HTML PDF Classification Text Search Enter one or more keywords in the field to search the Classification Scheme (Schedule) and Definitions. or any other combination of uppercase and lowercase letters. When patents are classified in a classification scheme on the basis of their technical content, they are easier to manage and to search. The IPC has a hierarchical structure and is subdivided into sections, classes, subclasses, groups and subgroups. Introduced in 1968, the IPC is used by all patent offices worldwide, some of which also use a national classification system. EPO examiners use it to classify patent documents and thus facilitate their prior-art searches. When patents are classified in a classification scheme on the basis of their technical content, they are easier to manage and to search. They are assigned classification symbols, for example A43B49. One of the most precise classification systems available, the IPC currently divides technology into around 70,000 sub-areas. The quantity of information is too large to be displayed in full view. World Intellectual Property Organization (WIPO), F Mechanical Engineering; Lighting; Heating; Weapons; Blasting Engines or Pumps. Greyed-out symbols in the 2000 series are dummy symbols which are there to show the correct hierarchy. The IPC has a hierarchical structure and is subdivided into sections, classes, subclasses, groups and subgroups. If you encounter a symbol printed with a blank after the fourth letter or digit, e.g. Introduced in 1968, the IPC is used by all patent offices worldwide, some of which also use a national classification system. The publishing office assigns an IPC symbol or symbols which are valid at the time of publication of the application. If an application has been assigned a classification combination set, this is displayed in the Patent searchA service provided in co-operation with the EPO. Are the help files available in other languages? Cooperative Patent Classification (CPC) The Cooperative Patent Classification (CPC) system, in force from 1 January 2013, is a bilateral system which has been jointly developed by the EPO and the USPTO. There are approximately 250 000 classification entries. Introduced in 1968, the IPC is used by all patent offices worldwide, some of which also use a national classification system. areas. A), followed by a number (two digits) denoting the IPC class (e.g. . You can also refine your search using search modifiers: Invention information is information in patent documents which describes or presents the technical innovations made known in the publication and which adds to the prior art. The most important classification system is the International Patent Classification (IPC). Click on low to change the operator to exact to find this confined to a specific subgroup. One of the most precise classification systems available, the IPC currently divides technology into around 70000 A), followed by a number (two digits) denoting the IPC class (e.g. Entering the group alone will automatically retrieve all subgroups.. Classification becomes more detailed with every further (sub)division, as you can see in this example: Level, Machines or equipment for processing doughs, Mixing or kneading machine for the preparation of dough, With horizontally-mounted mixing or kneading tools. A63B). In the IPC, technology is divided into eight main sections: The IPC has a systematic and hierarchical structure. Patent documents are classified according to different classification systems depending on the patent granting authority concerned. In The ECLA classification system is an extension of the International Patent Classification (IPC). The CPC is subject to ongoing revision by both offices, and documents are reclassified accordingly. shows that A63B49 is likely to be relevant. A63), then a letter denoting the IPC subclass (e.g. of the World Intellectual Property Organization (WIPO) website. They are assigned classification symbols, for example A43B49. Depending on the classification level you require, you should enter the classification symbols as follows: Classification symbols are not case-sensitive. Smart search A63B49/02). Introduced in 1968, the IPC is used by all patent offices worldwide, some of which also use a national classification system. The low operator is always selected by default. To restrict your search to either the CPC or the IPC, use cpc or ipc as the field identifier. The results of searching with keywords are less precise the further your choice of words differs from that of the applicant. 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