Derwent Innovations Index provides access to more than 14,800,000 patents with links to cited and citing patents, cited articles, and full-text patent data sources. Sections include Chemical, Electrical and Electronic, and Engineering.
This database is part of ISI Web of Knowledge.
EI Engineering Village is a cross database searching service offering a wide range of resources covering applied science and engineering , where we can access Compendex using EV. Compendex contains references and abstracts from some 5,000 engineering journals , conferences and technical reports covering all engineering disciplines. Online coverage is from 1884 to date.
Search for patents using the EP (EPO - last 24 months), WIPO (WO - last 24 months), or the Worldwide database. The Worldwide database contains patents from over 80 countries and regions with different coverage years for individual countries.
Search the full-text of US patents provided by the United States Patent and Trademark Office - USPTO .