Assignee
HENGST GMBH & CO KG
DE·24 granted patents·1 pending application·214 citations·filing 2000–2009
Top patents by PatentIndex Score
25 records- 0191US8042529B2Device for eliminating oil particles from the crankcase ventilation gas in an internal combustion engineHENGST GMBH & CO KG·Filed 2006·Granted Oct 25, 2011·17 cites·32 claims
- 0288US7713185B2Impulse centrifuge for the purification of the lubricating oil from an internal combustion engineHENGST GMBH & CO KG·Filed 2005·Granted May 11, 2010·16 cites·76 claims
- 0386US7950621B2Pneumatic pressure regulation valveHENGST GMBH & CO KG·Filed 2005·Granted May 31, 2011·12 cites·60 claims
- 0485US7422612B2Oil separator for the separation of oil from the crankcase ventilation gas of an internal combustion engineHENGST GMBH & CO KG·Filed 2003·Granted Sep 9, 2008·26 cites·12 claims
- 0585US7100587B2Device for the ventilation of the crankcase of an internal combustion engineHENGST GMBH & CO KG·Filed 2002·Granted Sep 5, 2006·27 cites·18 claims
- 0677US7115153B2Electric separator with a rinsing cleaning systemHENGST GMBH & CO KG·Filed 2005·Granted Oct 3, 2006·18 cites·21 claims
- 0775US7029575B1Filter with a valve combination componentHENGST GMBH & CO KG·Filed 2000·Granted Apr 18, 2006·21 cites·5 claims
- 0873US7959547B2Centrifuge for cleaning a liquidHENGST GMBH & CO KG·Filed 2006·Granted Jun 14, 2011·5 cites·17 claims
- 0973US7396325B2Centrifuge rotorHENGST GMBH & CO KG·Filed 2006·Granted Jul 8, 2008·5 cites·21 claims
- 1073US7025049B2Apparatus for ventilating the crankcase of a combustion engineHENGST GMBH & CO KG·Filed 2002·Granted Apr 11, 2006·15 cites·18 claims
- 1169US8002690B2Centrifuge rotor having a waste collecting part separable from a bearing partHENGST GMBH & CO KG·Filed 2006·Granted Aug 23, 2011·5 cites·25 claims
- 1264US7553271B2Two-part rotor for a centrifuge with a connecting and unlocking mechanismHENGST GMBH & CO KG·Filed 2006·Granted Jun 30, 2009·4 cites·20 claims
- 1363US7497887B2Device for separating impurities from the lubricating oil of an internal combustion engineHENGST GMBH & CO KG·Filed 2003·Granted Mar 3, 2009·9 cites·33 claims
- 1462US8043201B2Centrifuges for a lubricant oil in an internal combustion engine with a modular housing system having various bases, lids and rotorsHENGST GMBH & CO KG·Filed 2006·Granted Oct 25, 2011·1 cites·19 claims
- 1559US7299931B2Liquid filter comprising air ventsHENGST GMBH & CO KG·Filed 2002·Granted Nov 27, 2007·9 cites·30 claims
- 1658US7553415B2Fuel filter with clean water outletHENGST GMBH & CO KG·Filed 2005·Granted Jun 30, 2009·5 cites·9 claims
- 1755US7066726B2Device and method for melting and conveying materialHENGST GMBH & CO KG·Filed 2001·Granted Jun 27, 2006·4 cites·5 claims
- 1852US8020540B2Crankcase ventilation apparatus of an internal combustion engineHENGST GMBH & CO KG·Filed 2009·Granted Sep 20, 2011·2 cites·20 claims
- 1952US7069900B2Module for an internal combustion engineHENGST GMBH & CO KG·Filed 2004·Granted Jul 4, 2006·5 cites·21 claims
- 2052US6884348B2Module of units for an internal combustion engineHENGST GMBH & CO KG·Filed 2001·Granted Apr 26, 2005·6 cites·10 claims
- 2150US7867158B2Device for separating impurities from the lubricating oil of an internal combustion engineHENGST GMBH & CO KG·Filed 2004·Granted Jan 11, 2011·1 cites·40 claims
- 2243US7712612B2Fluid filter for an internal combustion engineHENGST GMBH & CO KG·Filed 2004·Granted May 11, 2010·0 cites·22 claims
- 2343US7473305B2Self-flushing electrostatic separatorHENGST GMBH & CO KG·Filed 2004·Granted Jan 6, 2009·1 cites·7 claims
- 2443US2009314697A1Liquid Filter With A Non-Return Valve In The Filtered Side Flow ChannelHENGST GMBH & CO KG·Filed 2007·Application pending·0 cites
- 2519US7284566B2Valve arrangement for guiding a liquid against a gas pressure gradientHENGST GMBH & CO KG·Filed 2004·Granted Oct 23, 2007·0 cites·19 claims
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