Inventor · disambiguated record
Jeffrey L. Campbell
Also filed as: CAMPBELL JEFFREY L
4 granted patents·175 citations·filing 1989–1997
81Inventor score
Files withCUMMINS ENGINE CO INC4
Top patents by PatentIndex Score
4 records- 0191US5607106ALow inertia, wear-resistant valve for engine fuel injection systemsCUMMINS ENGINE CO INC·Filed 1994·Granted Mar 4, 1997·71 cites·12 claims
- 0288US5409165AWear resistant fuel injector plunger assemblyCUMMINS ENGINE CO INC·Filed 1994·Granted Apr 25, 1995·63 cites·9 claims
- 0373US4986472AHigh pressure unit fuel injector with timing chamber pressure controlCUMMINS ENGINE CO INC·Filed 1989·Granted Jan 22, 1991·25 cites·27 claims
- 0450US5894991AUnit injector with hard stop timing plungerCUMMINS ENGINE CO INC·Filed 1997·Granted Apr 20, 1999·16 cites·49 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →