Inventor · disambiguated record
Robert M. Siewert
Also filed as: SIEWERT ROBERT M
8 granted patents·150 citations·filing 1974–2006
88Inventor score
Top patents by PatentIndex Score
8 records- 0180US3958540AStaged internal combustion engine with interstage temperature controlGEN MOTORS CORP·Filed 1974·Granted May 25, 1976·31 cites·7 claims
- 0279US7464689B2Method and apparatus for controlling fuel injection into an engineGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Dec 16, 2008·11 cites·15 claims
- 0377US7467615B2Method and apparatus to control fuel injectionGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Dec 23, 2008·13 cites·13 claims
- 0472US4191150AEngine with selective venting of unburned mixture from the piston crevice volumeGEN MOTORS CORP·Filed 1978·Granted Mar 4, 1980·27 cites·4 claims
- 0569US5131224AMethod for reducing methane exhaust emissions from natural gas fueled enginesGEN MOTORS CORP·Filed 1990·Granted Jul 21, 1992·36 cites·3 claims
- 0653US3940928AAir diverter valveGEN MOTORS CORP·Filed 1974·Granted Mar 2, 1976·12 cites·2 claims
- 0750US4480613ACatalytic late direct injection spark ignition engineGEN MOTORS CORP·Filed 1983·Granted Nov 6, 1984·11 cites·8 claims
- 0850US3982514AMethod and means for recovering quench layer combustibles from engine combustion chambersGEN MOTORS CORP·Filed 1975·Granted Sep 28, 1976·9 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →