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  2. Cooperative Patent Classification - Wikipedia

    en.wikipedia.org/wiki/Cooperative_Patent...

    An example of the CPC classification scheme [4] in the area of agriculture is shown in the figure. The text in curly brackets {..} refers to text provided by the CPC classification scheme. The rest of the text refers to text originating from the International Patent Classification.

  3. Patent classification - Wikipedia

    en.wikipedia.org/wiki/Patent_classification

    In October 2010, the European Patent Office (EPO) and USPTO launched a joint project to create the Cooperative Patent Classification (CPC) to harmonise the patent classifications systems between the two offices. From 2013, CPC replaced the European Classification (ECLA), which was based on the IPC but adapted by the EPO.

  4. Strasbourg Agreement Concerning the International Patent ...

    en.wikipedia.org/wiki/Strasbourg_Agreement...

    The Strasbourg Agreement Concerning the International Patent Classification (or IPC), also known as the IPC Agreement, is an international treaty that established a common classification for patents for invention, inventors' certificates, utility models and utility certificates, known as the "International Patent Classification" (IPC). [6]

  5. International Patent Classification - Wikipedia

    en.wikipedia.org/wiki/International_Patent...

    The International Patent Classification (IPC) is a hierarchical patent classification system used in over 100 countries to classify the content of patents in a uniform manner. It was created under the Strasbourg Agreement (1971), one of a number of treaties administered by the World Intellectual Property Organization (WIPO).

  6. United States Patent Classification - Wikipedia

    en.wikipedia.org/wiki/United_States_Patent...

    It was mostly replaced by the Cooperative Patent Classification (CPC) on January 1, 2013. [1] Plant and design patents are still classified solely within USPC at the USPTO. As of December 2018, patents at the USPTO are still routed to their appropriate business and art units by their USPC, even though it is no longer assigned directly to the ...

  7. Classification of Individual Consumption According to Purpose

    en.wikipedia.org/wiki/Classification_of...

    Classification of Individual Consumption According to Purpose (COICOP) is a Reference Classification published by the United Nations Statistics Division that divides the purpose of individual consumption expenditures incurred by three institutional sectors, namely households, non-profit institutions serving households, and general government.

  8. Key Word in Context - Wikipedia

    en.wikipedia.org/wiki/Key_Word_in_Context

    Key Word In Context (KWIC) is the most common format for concordance lines. The term KWIC was coined by Hans Peter Luhn. [1] The system was based on a concept called keyword in titles, which was first proposed for Manchester libraries in 1864 by Andrea Crestadoro.

  9. International Plumbing Code - Wikipedia

    en.wikipedia.org/wiki/International_Plumbing_Code

    The IPC is the most widely used plumbing code in the United States and is also used as the basis for the plumbing code of several other countries [citation needed].Wide adoptions are important as they help reduce manufacturer and end-user costs by allowing the use of materials across a wide user base, thus allowing economies of scale in the production of materials used in construction.