BIDWELL, HOWARD, A U.S. CITIZEN
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Feb 07, 1989 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 50 Total Citation Count
- Jul 29, 1982 Earliest Filing
- 7 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4802335 Method of and apparatus for improving the efficiency of internal combustion enginesExpiredDec 03, 87Feb 07, 89[F02M, F01N]
4791896 Water cooled scavenged crankcase type Otto internal combustion engineExpiredMar 12, 87Dec 20, 88[F02B]
4781729 Method and apparatus for improving the efficiency of internal combustion enginesExpiredApr 23, 87Nov 01, 88[C10L]
4779576 Water cooled scavenged crankcase type otto internal combustion engineExpiredNov 19, 87Oct 25, 88[F02D]
4774810 Method of and apparatus for improving the efficiency of internal combustion enginesExpiredNov 16, 87Oct 04, 88[F02B]
4773981 Apparatus for improving internal combustion engine efficiencyExpiredJun 19, 87Sep 27, 88[C25G]
4484444 Apparatus and methods of amplifying engine emissions by which to increase the overall engine efficiencyExpiredJul 29, 82Nov 27, 84[F02B]
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