Inventor · disambiguated record
David Humphries
Also filed as: HUMPHRIES DAVID F · HUMPHRIES DAVID T
1 granted patent·2 pending applications·63 citations·filing 1988–2003
50Inventor score
Files withROLLS ROYCE MOTOR CARS1
Top patents by PatentIndex Score
3 records- 0182US4901703ACrankcase ventilation system for a reciprocating internal combustion engineROLLS ROYCE MOTOR CARS·Filed 1988·Granted Feb 20, 1990·63 cites·9 claims
- 0237US2004156706A1Wheel-lift assembly for wreckersFiled 2003·Application pending·0 cites
- 0336US2003231944A1Wheel-lift assembly for wreckersFiled 2003·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when David Humphries files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →