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Patent Application Information Retrieval (PAIR) is an online service provided by the United States Patent and Trademark Office to allow users to see the prosecution histories of United States patents and patent applications and obtain copies of documents filed therein. There are two services: Public PAIR, which allows the general public to ...
PATENTSCOPE is a global patent database and search system developed and maintained by the World Intellectual Property Organization. It provides free and open access to a vast collection of international patent documents, including patent applications, granted patents, and related technical information.
The 100 known most prolific inventors based on worldwide utility patents are shown in the following table. While in many cases this is the number of utility patents granted by the United States Patent and Trademark Office, it may include utility patents granted by other countries, as noted by the source references for an inventor.
First United States patent The National Inventors Hall of Fame is housed in the Madison Building of the USPTO. On July 31, 1790, the first U.S. patent was issued to Samuel Hopkins for an improvement "in the making of Pot ash and Pearl ash by a new Apparatus and Process". This patent was signed by then-President George Washington.
Wikipedia entry for Google Patents.Google Patents is a search engine from Google that indexes patents and patent applications from the United States Patent and Trademark Office.
Simple patent family: All patent documents have exactly the same priority date or combination of priority dates. [4] Extended patent family: All patent documents are linked (directly or indirectly) via a priority document belonging to one patent family. The extended families allow for additional connectors to link other than strictly priority date.
U.S. patent 487,796 - System of Electrical Transmission of Power - 1892 December 13 - Alternating current generator consisting of independent armature-circuits formed by conductors alternately disposed; Currents developed differ in phase and the field magnet poles in excess of the number of armature-circuits; Motor having independent energizing circuits connected to the armature-circuit of the ...
It maintained a registry of inventions and discoveries and gave out authors certificates and patents. As of 1 August 2020, 476,905 national trademarks and 220,513 international trademarks were registered at the Russian Federal Service for Intellectual Property, and it issued 266,104 patents. [4]
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