Inventor · disambiguated record
Helmut Daudel
Also filed as: DAUDEL HELMUT
21 granted patents·1 pending application·729 citations·filing 1981–2005
96Inventor score
Top patents by PatentIndex Score
22 records- 0196US6216459B1Exhaust gas re-circulation arrangementDAIMLER CHRYSLER AG·Filed 1999·Granted Apr 17, 2001·159 cites·13 claims
- 0294US5369956AExhaust gas aftertreatment device for internal combustion enginesDAIMLER BENZ AG·Filed 1993·Granted Dec 6, 1994·119 cites·4 claims
- 0387US6260358B1Multi-cylinder internal combustion engine with an exhaust-gas turbochargerDAIMLER CHRYSLER AG·Filed 2000·Granted Jul 17, 2001·53 cites·13 claims
- 0481US6314736B1Exhaust gas turbine of a turbocharger for an internal combustion engineDAIMLER CHRYSLER AG·Filed 2000·Granted Nov 13, 2001·41 cites·24 claims
- 0580US4324572ASoot filter for an exhaust arrangement of an internal combustion engineDAIMLER BENZ AG·Filed 1981·Granted Apr 13, 1982·44 cites·19 claims
- 0679US6050093AMethod of controlling a supercharged internal combustion engine and apparatus for performing the methodDAIMLERCHRYLSER AG·Filed 1998·Granted Apr 18, 2000·37 cites·12 claims
- 0776US4843558ARegulation for a gas engineDAIMLER BENZ AG·Filed 1987·Granted Jun 27, 1989·30 cites·17 claims
- 0872US7186077B2Compressor, particularly in an exhaust gas turbocharger for an internal combustion engineDAIMLER CHRYSLER AG·Filed 2005·Granted Mar 6, 2007·15 cites·8 claims
- 0971US6220031B1Exhaust gas turbocharger for an internal-combustion engine and method of operating sameDAIMLER CHRYSLER AG·Filed 1999·Granted Apr 24, 2001·42 cites·27 claims
- 1068US6733236B2Compressor in a turbochargerDAIMLER CHRYSLER AG·Filed 2002·Granted May 11, 2004·17 cites·10 claims
- 1168US6020652AProcess for regulating the braking power of a supercharged internal combustion engineDAIMLER CHRYSLER AG·Filed 1998·Granted Feb 1, 2000·26 cites·14 claims
- 1265US6209324B1Exhaust turbochargerDAIMLER CHRYSLER AG·Filed 1999·Granted Apr 3, 2001·34 cites·26 claims
- 1362US6004524ALowering of the nitrogen oxide levels in exhaust gases by controlled addition of NH3BASF AG·Filed 1993·Granted Dec 21, 1999·25 cites·6 claims
- 1457US6394751B1Radial compressor with wall slitsDAIMLER CHRYSLER AG·Filed 2000·Granted May 28, 2002·14 cites·6 claims
- 1555US7121788B2Exhaust gas turbocharger for an internal combustion engineBORGWARNER INC·Filed 2003·Granted Oct 17, 2006·15 cites·7 claims
- 1651US6925805B2TurbochargerBORGWARNER INC·Filed 2003·Granted Aug 9, 2005·11 cites·20 claims
- 1751US6543226B1Exhaust gas turbocharger with a variable turbine geometryDAIMLER CHRYSLER AG·Filed 1999·Granted Apr 8, 2003·15 cites·20 claims
- 1845US6826471B2Method for determining nitrogen oxide content in internal combustion engine exhaust gases containing oxygenDAIMLER CHRYSLER AG·Filed 2001·Granted Nov 30, 2004·7 cites·8 claims
- 1945US6598395B2Exhaust-gas turbochargerDAIMLER CHRYSLER AG·Filed 2002·Granted Jul 29, 2003·7 cites·12 claims
- 2042US5265419ASoot-particle filter for after-treatment of the exhaust gases of diesel enginesDAIMLER BENZ AG·Filed 1993·Granted Nov 30, 1993·13 cites·8 claims
- 2135US2003230085A1Exhaust gas turbocharger, supercharged internal combustion engine and method of operationFiled 2003·Application pending·0 cites
- 2226US5391338AManufacture of a carbon particle filterDAIMLER BENZ AG·Filed 1989·Granted Feb 21, 1995·5 cites·33 claims
Join the waitlist — get patent alerts
Get an alert when Helmut Daudel 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 →