Inventor · disambiguated record
Armin Schurfeld
Also filed as: SCHUERFELD ARMIN · SCHURFELD ARMIN
12 granted patents·243 citations·filing 1980–2004
92Inventor score
Top patents by PatentIndex Score
12 records- 0190US5417059ABurner system for detoxification or cleaning the exhaust gases of an internal combustion enginePIERBURG GMBH·Filed 1993·Granted May 23, 1995·109 cites·16 claims
- 0280US5182942AProcess and apparatus for utilization of fuels with alcohol additives for an internal combustion enginePIERBURG GMBH·Filed 1991·Granted Feb 2, 1993·39 cites·25 claims
- 0377US7207324B2Air-intake duct system for a combustion enginePIERBURG GMBH·Filed 2004·Granted Apr 24, 2007·16 cites·20 claims
- 0447US4302407AHeating of combustible mixture generators for internal combustion enginesBOSCH PIERBURG SYSTEM OHG·Filed 1980·Granted Nov 24, 1981·9 cites·12 claims
- 0546US6213446B1Exhaust gas recirculation valve having means to free a stuck valve memberPIERBURG AG·Filed 1999·Granted Apr 10, 2001·12 cites·8 claims
- 0646US5315867AApparatus for measuring the fraction of liquid fuel in a fuel tankPIERBURG GMBH·Filed 1992·Granted May 31, 1994·15 cites·23 claims
- 0746US5245870AApparatus for measuring the fraction of liquid fuel in a fuel tankPIERBURG GMBH·Filed 1992·Granted Sep 21, 1993·15 cites·19 claims
- 0843US4434772ACombustion mixture generator for internal combustion enginesBOSCH PIERBURG SYSTEM OHG·Filed 1983·Granted Mar 6, 1984·5 cites·28 claims
- 0938US5159898AProcess and apparatus for utilization of fuels with alcohol additives for an internal combustion enginePIERBURG GMBH·Filed 1991·Granted Nov 3, 1992·9 cites·16 claims
- 1038US4420439AConstant pressure carburettorsBOSCH PIERBURG SYSTEM OHG·Filed 1982·Granted Dec 13, 1983·7 cites·24 claims
- 1131US5457957AMethod and apparatus for heating a catalytic converter upon cold engine startingPIERBURG GMBH·Filed 1994·Granted Oct 17, 1995·6 cites·6 claims
- 1229US4439376AFlow proportioning deviceBOSCH PIERBURG SYSTEM OHG·Filed 1982·Granted Mar 27, 1984·1 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →