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2. Category:Patent search services - Wikipedia

   en.wikipedia.org/wiki/Category:Patent_search...

   Pages in category "Patent search services" The following 11 pages are in this category, out of 11 total. This list may not reflect recent changes. B. Baidu Patents; D.

3. 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.

4. List of search engines - Wikipedia

   en.wikipedia.org/wiki/List_of_search_engines

   Search engines, including web search engines, ... Cuil (patents acquired by Google after shutdown) DeepPeep; Direct Hit Technologies (acquired by Ask Jeeves in ...

5. Timeline of web search engines - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_web_search_engines

   Robin Li developed the RankDex site-scoring algorithm for search engines results page ranking [23] [24] [25] and received a US patent for the technology. [26] It was the first search engine that used hyperlinks to measure the quality of websites it was indexing, [27] predating the very similar algorithm patent filed by Google two years later in ...

6. Outline of patents - Wikipedia

   en.wikipedia.org/wiki/Outline_of_patents

   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. 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.