NaCl01 > By now all the energy patents from the 70s would be in the public domain - available for anyone to use the technology. We also have something never dreamed of by those who would buy and bury these patents. We have the internet and search engines that can find these obscure patents buried in the archives.
Hmmmm. . .
Inever thought of that, Oh Salty One.
Hydro_Gen - here should be a link to the patent office. Looks like there is a
tutorial to help you navigate the murky waters.
Zim.
>>>
http://www.uspto.gov/patents-application-process/search-patents
Search for patents
New to Patent Searching? See this important information about searching for patents:
How to Conduct a Preliminary U.S. Patent Search: A Step by Step Strategy - Web Based Tutorial (38 minutes)
The Seven Step Strategy - Outlines a suggested procedure for patent searching
A detailed handout of the Seven Step Strategy with examples and screen shots.
Patents may be searched using the following resources:
USPTO Patent Full-Text and Image Database (PatFT)
USPTO Patent Application Full-Text and Image Database (AppFT)
Global Dossier
Patent Application Information Retrieval (PAIR)
Public Search Facility
Patent and Trademark Resource Centers (PTRCs)
Patent Official Gazette
Common Citation Document (CCD)
Search International Patent Offices
Search Published Sequences
Patent Assignment Search
Patent Examination Data System (PEDS)
USPTO Patent Full-Text and Image Database (PatFT)
>>>
(Site has much much more, Zim.)

Mad Poet Strikes Again.