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2. Google Patents - Wikipedia, the free encyclopedia

   en.wikipedia.org/wiki/Google_Patents

   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.

3. Espacenet - Wikipedia

   en.wikipedia.org/wiki/Espacenet

   According to the Patent Information News' magazine published by the EPO, a 2013 independent study compared Espacenet with DepatisNet, Freepatentsonline, Google Patent and the public search facility at the USPTO. In that study, Espacenet reportedly obtained the highest score for both data coverage and customer support, and the best overall ...

4. Patentscope - Wikipedia

   en.wikipedia.org/wiki/Patentscope

   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.

5. The Lens - Wikipedia

   en.wikipedia.org/wiki/The_Lens

   Patent families may be visualized using graphical trees as PDF files. Nevertheless, the granularity of the Lens search function is inferior to that of commercial database Questel-Orbit. [10] Patent tutorials [11] are available on the site covering patent claims, freedom to operate, patent inventorship, and continuing patent applications.

6. Outline of patents - Wikipedia

   en.wikipedia.org/wiki/Outline_of_patents

   Baidu Patents – Espacenet – Google Patents – search engine from Google that indexes patents and patent applications from the United States Patent and Trademark Office (USPTO), European Patent Office (EPO), and World Intellectual Property Organization (WIPO). Patentscope –

7. List of celebrity inventors - Wikipedia

   en.wikipedia.org/wiki/List_of_celebrity_inventors

   The following is a list of celebrity inventors and their patents. (For the purposes of this article, an inventor is a person who has been granted a patent.)After Google released a patent search [1] online in December 2006, a website called Ironic Sans, [2] made the public aware of a number of celebrity patents found through the new patent search engine.