Inventor · disambiguated record
Ulrich Hilger
Also filed as: HILGER ULRICH
6 granted patents·247 citations·filing 1987–2008
87Inventor score
Top patents by PatentIndex Score
6 records- 0192US6854438B2Internal combustion engine with injection of gaseous fuelWESTPORT GERMANY GMBH·Filed 2003·Granted Feb 15, 2005·92 cites·88 claims
- 0285US8172557B2High-pressure gas compressor and method of operating a high-pressure gas compressorHILGER ULRICH·Filed 2008·Granted May 8, 2012·24 cites·34 claims
- 0381US4787349AIgnition device for air-compressing internal combustion enginePISCHINGER FRANZ DR·Filed 1987·Granted Nov 29, 1988·38 cites·20 claims
- 0480US5617823ASpark-ignited reciprocating piston engine having a subdivided combustion chamberFiled 1996·Granted Apr 8, 1997·42 cites·16 claims
- 0578US5005402AMeasuring cell for determinating the alcohol content and/or calorific value of fuelsFEV MOTORENTECH GMBH & CO KG·Filed 1989·Granted Apr 9, 1991·42 cites·11 claims
- 0648US6845746B2Internal combustion engine with injection of gaseous fuelWESTPORT GERMANY GMBH·Filed 2003·Granted Jan 25, 2005·9 cites·66 claims
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