Inventor · disambiguated record
Leonard B. Graiff
Also filed as: GRAIFF LEONARD B
11 granted patents·282 citations·filing 1978–1994
92Inventor score
Top patents by PatentIndex Score
11 records- 0195US4300494AThermal insulated intake portsSHELL OIL CO·Filed 1979·Granted Nov 17, 1981·80 cites·8 claims
- 0294US4357148AMethod and fuel composition for control or reversal of octane requirement increase and for improved fuel economySHELL OIL CO·Filed 1981·Granted Nov 2, 1982·59 cites·11 claims
- 0374US5503644AGasoline composition for reducing intake valve deposits in port fuel injected enginesSHELL OIL CO·Filed 1994·Granted Apr 2, 1996·30 cites·46 claims
- 0469US4155718AMethod and composition for inhibition or prevention of octane requirement increaseSHELL OIL CO·Filed 1978·Granted May 22, 1979·18 cites·10 claims
- 0567US4666529AMethod for reducing combustion chamber deposits from an internal combustion engineSHELL OIL CO·Filed 1985·Granted May 19, 1987·17 cites·19 claims
- 0665US5300218AReduction of diesel engine particulate emissions by contacting diesel fuel with a carbon molecular sieve adsorbentSHELL OIL CO·Filed 1992·Granted Apr 5, 1994·24 cites·9 claims
- 0759US4678479ADiesel fuel compositionHOLMES ROBERT T·Filed 1986·Granted Jul 7, 1987·17 cites·16 claims
- 0855US4846848AGasoline compositionSHELL OIL CO·Filed 1988·Granted Jul 11, 1989·10 cites·20 claims
- 0945US4687034AControlled release insert for a diesel fuel supply nozzle and method of adding a petroleum substrate over said insertSHELL OIL CO·Filed 1986·Granted Aug 18, 1987·16 cites·17 claims
- 1032US4389221AGasoline composition and method for reducing fuel consumptionSHELL OIL CO·Filed 1982·Granted Jun 21, 1983·5 cites·10 claims
- 1130US5334308AReduction of jet engine smoke emissions by contacting jet fuel with a carbon molecular sieve adsorbentSHELL OIL CO·Filed 1992·Granted Aug 2, 1994·6 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →