Inventor · disambiguated record
William E. Gifford
Also filed as: GIFFORD WILLIAM E · SPAULDING JAMES R
15 granted patents·603 citations·filing 1974–1993
95Inventor score
Top patents by PatentIndex Score
15 records- 0192US5253629AFlow sensor for evaporative control systemGEN MOTORS CORP·Filed 1992·Granted Oct 19, 1993·76 cites·8 claims
- 0292US4706708AFuel tank ventingGEN MOTORS CORP·Filed 1986·Granted Nov 17, 1987·77 cites·1 claims
- 0391US4203401AEvaporative emissions canisterGEN MOTORS CORP·Filed 1979·Granted May 20, 1980·65 cites·3 claims
- 0490US4917157AVehicle tank vapor vent valve assemblyGEN MOTORS CORP·Filed 1989·Granted Apr 17, 1990·56 cites·2 claims
- 0589US4724861AFuel tank ventingGEN MOTORS CORP·Filed 1986·Granted Feb 16, 1988·57 cites·4 claims
- 0681US5014742AVacuum actuated tank vapor vent valveGEN MOTORS CORP·Filed 1990·Granted May 14, 1991·46 cites·3 claims
- 0779US5119791AVapor storage canister with liquid trapGEN MOTORS CORP·Filed 1991·Granted Jun 9, 1992·43 cites·2 claims
- 0877US4732588ACanister using thermoelectric coolerGEN MOTORS CORP·Filed 1987·Granted Mar 22, 1988·37 cites·3 claims
- 0977US4683862AFuel vapor storage canisterGEN MOTORS CORP·Filed 1986·Granted Aug 4, 1987·27 cites·2 claims
- 1073US4714485AFuel vapor storage canisterGEN MOTORS CORP·Filed 1986·Granted Dec 22, 1987·25 cites·2 claims
- 1172US5289811APurge control deviceGEN MOTORS CORP·Filed 1993·Granted Mar 1, 1994·29 cites·3 claims
- 1265US4893643ATank vapor vent valve assembly with improved overfill protectionGEN MOTORS CORP·Filed 1989·Granted Jan 16, 1990·18 cites·3 claims
- 1363USRE34518EVacuum actuated tank vapor vent valveGEN MOTORS CORP·Filed 1992·Granted Jan 25, 1994·21 cites·4 claims
- 1461US4017284AAir distillation apparatus comprising regenerator means for producing oxygenCRYOX CORP·Filed 1974·Granted Apr 12, 1977·17 cites·10 claims
- 1559US4359031AEngine air flow responsive controlGEN MOTORS CORP·Filed 1979·Granted Nov 16, 1982·9 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →