Inventor · disambiguated record
David J. Hazen
Also filed as: HAZEN DAVID J · HAZEN DAVID JAMES
4 granted patents·126 citations·filing 1993–1999
80Inventor score
Top patents by PatentIndex Score
4 records- 0187US5640941AInternal combustion engine with stratified charge and tumble motionFORD MOTOR CO·Filed 1995·Granted Jun 24, 1997·56 cites·12 claims
- 0272US6148807ACrankcase fluid processing system for automotive engineFORD GLOBAL TECH INC·Filed 1999·Granted Nov 21, 2000·30 cites·4 claims
- 0363US5401001AInternal combustion engine exhaust control valveSIEMENS AUTOMOTIVE LTD·Filed 1993·Granted Mar 28, 1995·32 cites·16 claims
- 0440US5596960AInternal combustion engineFORD MOTOR CO·Filed 1995·Granted Jan 28, 1997·8 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →