Inventor · disambiguated record
Klaus Keller
Also filed as: KELLER KLAUS
25 granted patents·8 pending applications·210 citations·filing 1975–2020
95Inventor score
Top patents by PatentIndex Score
33 records- 0196US8635982B2Piston for an internal combustion engine and method for its productionSCHARP RAINER·Filed 2011·Granted Jan 28, 2014·11 cites·16 claims
- 0295US10115510B2Coil for a switching device with a high-frequency powerROHDE & SCHWARZ·Filed 2017·Granted Oct 30, 2018·6 cites·6 claims
- 0388US4145595AGas shielded arc-welding torchWELDING NOZZLE INC·Filed 1978·Granted Mar 20, 1979·54 cites·6 claims
- 0486US10837400B2Method for manufacturing a pistonMAHLE INT GMBH·Filed 2017·Granted Nov 17, 2020·2 cites·18 claims
- 0580US8939114B2Piston for an internal combustion engineKELLER KLAUS·Filed 2012·Granted Jan 27, 2015·3 cites·10 claims
- 0680US8181623B2Piston for an internal combustion engineKEMNITZ PETER·Filed 2011·Granted May 22, 2012·4 cites·10 claims
- 0779US8267005B2Multi-part piston for an internal combustion engine and method for its productionSCHARP RALNER·Filed 2009·Granted Sep 18, 2012·13 cites·15 claims
- 0878US8161934B2Multi-part piston for an internal combustion engine and method for its productionSCHARP RAINER·Filed 2009·Granted Apr 24, 2012·6 cites·11 claims
- 0975US6722263B2Bottom covering of a cooling chamber for pistons of internal combustion enginesMAHLE GMBH·Filed 2000·Granted Apr 20, 2004·33 cites·4 claims
- 1074US8616161B2Piston for an internal combustion engine and method for its productionSCHARP RAINER·Filed 2011·Granted Dec 31, 2013·2 cites·6 claims
- 1172US8146560B2Multi-part piston for an internal combustion engine and method for its productionSCHARP RAINER·Filed 2009·Granted Apr 3, 2012·6 cites·15 claims
- 1271US8550052B2Piston for an internal combustion engineKELLER KLAUS·Filed 2011·Granted Oct 8, 2013·2 cites·2 claims
- 1371US6202619B1Piston with a central cooling chamberMAHLE GMBH·Filed 1998·Granted Mar 20, 2001·22 cites·6 claims
- 1468US8544442B2Multi-part piston for an internal combustion engine and method for its productionSCHARP RAINER·Filed 2012·Granted Oct 1, 2013·1 cites·5 claims
- 1567US9726223B2Method for the production of a connecting rod for an internal combustion engineMAHLE INT GMBH·Filed 2014·Granted Aug 8, 2017·1 cites·8 claims
- 1665US7549368B2Light-metal piston having heat pipesMABLE INTERNAT GMBH·Filed 2005·Granted Jun 23, 2009·5 cites·5 claims
- 1763US9021695B2Method for the production of a piston for an internal combustion engineMAHLE INT GMBH·Filed 2014·Granted May 5, 2015·1 cites·9 claims
- 1859US8371261B2Multi-part piston for an internal combustion engine and method for its productionMAHLE INT GMBH·Filed 2009·Granted Feb 12, 2013·2 cites·13 claims
- 1954US10192663B2Coil for a switching device with a high-frequency powerROHDE & SCHWARZ·Filed 2014·Granted Jan 29, 2019·0 cites·22 claims
- 2053US2013000590A1Method for producing a piston for an internal combustion engine and piston that can be produced by means of said methodMAHLE INT GMBH·Filed 2010·Application pending·0 cites
- 2153US2009165743A1Piston for an Internal Combustion Engine and Method for Its ProductionKEMNITZ PETER·Filed 2006·Application pending·0 cites
- 2252US9828939B2Piston comprising a piston head cooled by splash lubricationMAHLE INT GMBH·Filed 2014·Granted Nov 28, 2017·0 cites·20 claims
- 2352US2012131795A1Method for the production of a multi-part piston for an internal combustion engineSCHARP RAINER·Filed 2012·Application pending·0 cites
- 2451US2009078080A1Connecting Rod for an Internal Combustion Engine and Method for Its ProductionKEMNITZ PETER·Filed 2006·Application pending·0 cites
- 2550US3996443AApparatus for the manufacture of reinforcement trussesKELLER KLAUS·Filed 1975·Granted Dec 7, 1976·10 cites·9 claims
- 2650US2012240881A1Multi-part piston for an internal combustion engineSCHARP RAINER·Filed 2012·Application pending·0 cites
- 2749US9656320B2Method for simultaneously producing first and second piston partsKELLER KLAUS·Filed 2012·Granted May 23, 2017·0 cites·16 claims
- 2849US2010108001A1Multi-part piston for an internal combustion engine and method for its productionSCHARP RAINER·Filed 2009·Application pending·0 cites
- 2947US6048126AMushroom-type pin retainerMAHLE GMBH·Filed 1998·Granted Apr 11, 2000·11 cites·8 claims
- 3047US6045617AMethod for CVD surface coating and CVD reactor systemVERSCHLEISS SCHUTZ TECHNIK KEL·Filed 1998·Granted Apr 4, 2000·14 cites·20 claims
- 3142US2022364524A1Piston for an internal combustion engineMAHLE INT GMBH·Filed 2020·Application pending·0 cites
- 3235US2002025378A1Tools with treated surfacesFiled 2001·Application pending·0 cites
- 3319US6379415B1Method for feeding granular solids into metal meltsSTEIN IND ANLAGEN INH CHRISTEL·Filed 1997·Granted Apr 30, 2002·1 cites·33 claims
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