LibGuides: El- och automationsteknik: Patent

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Espacenet Espacenet offers free access to information about inventions and technical developments from 1782 to today and contains data on more than 120 million patent documents from around the world.
Finnish Patent and Registration Office Finnish Patent and Registration Office works for the benefit of companies and organizations.
FreePatentsOnline Complete Patent Searching Database and Patent Data Analytics Services.
Google Patents Google Patents covers patents and published patent applications from the United States Patent and Trademark Office (USPTO) and the European Patent Office (EPO)
PATENTSCOPE The PATENTSCOPE database provides access to international Patent Cooperation Treaty (PCT) applications in full text format on the day of publication, as well as to patent documents of participating national and regional patent offices.
PatInfo Finnish Patent and Registration Office