Inventor · disambiguated record
Dale V. Johnson
Also filed as: JOHNSON DALE V
5 granted patents·195 citations·filing 1980–1989
83Inventor score
Files withEXXON PRODUCTION RESEARCH CO5
Top patents by PatentIndex Score
5 records- 0190US5004007AChemical injection valveEXXON PRODUCTION RESEARCH CO·Filed 1989·Granted Apr 2, 1991·73 cites·9 claims
- 0279US4651818AMetal seal tubing plugEXXON PRODUCTION RESEARCH CO·Filed 1986·Granted Mar 24, 1987·61 cites·3 claims
- 0375US4858694AHeave compensated stabbing and landing toolEXXON PRODUCTION RESEARCH CO·Filed 1988·Granted Aug 22, 1989·48 cites·9 claims
- 0435US4615387AAnnular gas trapEXXON PRODUCTION RESEARCH CO·Filed 1985·Granted Oct 7, 1986·10 cites·7 claims
- 0531US4321751ADepth measurementsEXXON PRODUCTION RESEARCH CO·Filed 1980·Granted Mar 30, 1982·3 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →