Contains abstracts of patents with possible links to cited and citing patents, and cited articles. Sections include Chemical, Electrical and Electronic, and Engineering. This database is part of Web of Knowledge.
Google Patent Search
Searches the United States Patent and Trademark Office and the European Patent Office; however, it does not necessarily find all the patents in the these databases.
Foreign Patent Sites
For almost all foreign patent searches Espacenet opens new window will work better than country specific patent sites.
