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www.freepatentsonline.com/search.html

Complete Patent Searching Database and Patent Data Analytics Services. ... Coverage Details: Coverage details for the patent database can be found here.

www.freepatentsonline.com

Complete Patent Searching Database and Patent Data Analytics Services.

www.uspto.gov/patents-application-process/search-patents

Jul 4, 2009 ... Find existing patents, published patent applications and other ... Free online access to patent collections is provided by many countries.

www.ipwatchdog.com/2015/07/11/patent-searching-101-a-patent-search-tutorial-2/id=59308

Jul 11, 2015 ... There is also another excellent (and free) site that you should use when searching – Free Patents Online. Whenever I search tend to use Free ...

patents.google.com

Search and read the full text of patents from around the world with Google Patents, and find prior art in our index of non-patent literature.

www.google.com/advanced_patent_search

Advanced Patent Search, About Google ... Patent number, Return patents with the patent number. Title, Return patents with the patent title. Inventor, Return ...

ipassetmaximizerblog.com/my-gift-to-you-free-or-almost-free-patent-searching-and-analysis-tools

Dec 25, 2010 ... Lots of free or almost free patent search tools exist today. Happy Holidays everyone! I woke up this morning to the Christmas sunrise over ...

www.ipo.org/wp-content/uploads/2017/03/Free-Search-Tools-Bulletin_-20170301.pdf

Mar 1, 2017 ... Free Patent Search Tools (Rev. Feb 2007). Purpose of this document…. This article is a tutorial on several free patent search tools to.

patentscope.wipo.int

This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent collections.

patents.stackexchange.com/questions/21/how-can-i-perform-a-global-patent-search-for-free

I'm aware of several resources for searching the national or regional ... The Lens, started as Patent Lens 15 years ago, is open, free, ... Try IP.com ...