International database covering patents from 40 worldwide patent-issuing authorities. Links to cited and citing patents, citing articles, and full patent records. Patent coverage from 1963 to the present and citations from 1973 to the present.
Search the full text of patents 1976 - present; patents issued 1790 - 1975 are searchable by patent number or issue date. The Patent Application Database contains all patent applications published since 2001.
OSTI provides access to DOE scientific and technical information (STI) through a suite of web-based, searchable discovery tools and other commonly used search engines, offering ever-expanding sources of R&D information to DOE, the research community, and the science-attentive public.
Government Printing Office govinfo service provides free online access to official publications from all three branches of the Federal Government. It links to the U.S. Code, the Federal Register, Federal bills, the Constitution, Congressional documents and more.