Inventor · disambiguated record
John M. Bednar
Also filed as: BEDNAR JOHN · BEDNAR JOHN M
9 granted patents·557 citations·filing 1979–1997
91Inventor score
Technology areasE21B
Top patents by PatentIndex Score
9 records- 0190US4367794AAcoustically actuated downhole blowout preventerEXXON PRODUCTION RESEARCH CO·Filed 1980·Granted Jan 11, 1983·94 cites·72 claims
- 0290US4314365AAcoustic transmitter and method to produce essentially longitudinal, acoustic wavesEXXON PRODUCTION RESEARCH CO·Filed 1980·Granted Feb 2, 1982·144 cites·2 claims
- 0386US4373582AAcoustically controlled electro-mechanical circulation subEXXON PRODUCTION RESEARCH CO·Filed 1980·Granted Feb 15, 1983·98 cites·53 claims
- 0484US4272059ARiser tensioner systemEXXON PRODUCTION RESEARCH CO·Filed 1979·Granted Jun 9, 1981·61 cites·20 claims
- 0579US5010956ASubsea tree cap well choke systemEXXON PRODUCTION RESEARCH CO·Filed 1990·Granted Apr 30, 1991·77 cites·2 claims
- 0658US6182761B1Flowline extendable pigging valve assemblyEXXONMOBIL UPSTREAM RES CO·Filed 1997·Granted Feb 6, 2001·39 cites·32 claims
- 0748US6059039AExtendable semi-clustered subsea development systemEXXONMOBIL UPSTREAM RES CO·Filed 1997·Granted May 9, 2000·32 cites·64 claims
- 0835US4615387AAnnular gas trapEXXON PRODUCTION RESEARCH CO·Filed 1985·Granted Oct 7, 1986·10 cites·7 claims
- 0930USD306200SWater meter replacement plugBEDNAR JOHN J·Filed 1986·Granted Feb 20, 1990·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →