Inventor · disambiguated record
Gunter Hartel
Also filed as: HAERTEL GUENTER · HAERTEL GUNTER · HARTEL GUNTER
17 granted patents·361 citations·filing 1973–1994
94Inventor score
Files withPIERBURG GMBH7BOSCH PIERBURG SYSTEM OHG6DEUTSCHE VERGASER GMBH CO KG1HAERTEL GUNTER1PIERBURG GMBH & CO KG1
Top patents by PatentIndex Score
17 records- 0192US4766865ADevice for determining the position of a crankshaft in relation to the cylinderPIERBURG GMBH·Filed 1987·Granted Aug 30, 1988·40 cites·23 claims
- 0290US5417059ABurner system for detoxification or cleaning the exhaust gases of an internal combustion enginePIERBURG GMBH·Filed 1993·Granted May 23, 1995·109 cites·16 claims
- 0389US4354383AMethod of and device for measuring the amount of liquid fuel in a tankBOSCH PIERBURG SYSTEM OHG·Filed 1980·Granted Oct 19, 1982·49 cites·20 claims
- 0484US3931710AMethod and installation for the predetermined addition of secondary air for the optimum combustion of exhaust gases of internal combustion enginesDEUTSCHE VERGASER GMBH CO KG·Filed 1973·Granted Jan 13, 1976·36 cites·2 claims
- 0580US5182942AProcess 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
- 0661US4037406AApparatus for the predetermined addition of secondary air for the optimum combustion of exhaust gases of internal combustion enginesHAERTEL GUNTER·Filed 1975·Granted Jul 26, 1977·13 cites·6 claims
- 0751US4377998AMethod and apparatus for varying the spacing of sequential ignition control pulses emitted by an ignition pulse transducerBOSCH PIERBURG SYSTEM OHG·Filed 1980·Granted Mar 29, 1983·8 cites·19 claims
- 0846US5315867AApparatus for measuring the fraction of liquid fuel in a fuel tankPIERBURG GMBH·Filed 1992·Granted May 31, 1994·15 cites·23 claims
- 0946US5245870AApparatus for measuring the fraction of liquid fuel in a fuel tankPIERBURG GMBH·Filed 1992·Granted Sep 21, 1993·15 cites·19 claims
- 1043US4434772ACombustion mixture generator for internal combustion enginesBOSCH PIERBURG SYSTEM OHG·Filed 1983·Granted Mar 6, 1984·5 cites·28 claims
- 1138US5159898AProcess 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
- 1238US4420439AConstant pressure carburettorsBOSCH PIERBURG SYSTEM OHG·Filed 1982·Granted Dec 13, 1983·7 cites·24 claims
- 1337US4105001AControl mechanism for operation of an internal combustion enginePIERBURG GMBH & CO KG·Filed 1976·Granted Aug 8, 1978·3 cites·6 claims
- 1434US4359433AConstant-pressure carburetorBOSCH PIERBURG SYSTEM OHG·Filed 1980·Granted Nov 16, 1982·3 cites·30 claims
- 1532US3982394AControl installation for the proportioning of a secondary air quantity for achieving optimum combustion or after-burning in internal combustion enginesVERGASER GMBH & CO KOMMANDITGE·Filed 1974·Granted Sep 28, 1976·3 cites·3 claims
- 1631US5457957AMethod and apparatus for heating a catalytic converter upon cold engine startingPIERBURG GMBH·Filed 1994·Granted Oct 17, 1995·6 cites·6 claims
- 1729US4439376AFlow proportioning deviceBOSCH PIERBURG SYSTEM OHG·Filed 1982·Granted Mar 27, 1984·1 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Gunter Hartel 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 →