Inventor · disambiguated record
Volker Ernst
Also filed as: ERNST VOLKER
26 granted patents·1,674 citations·filing 1979–2001
98Inventor score
Top patents by PatentIndex Score
26 records- 0198US6231630B1Air filterMANN & HUMMEL FILTER·Filed 1997·Granted May 15, 2001·281 cites·10 claims
- 0297US5391212AFilter system, especially for filtering the air intake of an internal combustion engineMANN & HUMMEL FILTER·Filed 1993·Granted Feb 21, 1995·152 cites·9 claims
- 0393US5167683AIntake air filter for the internal combustion engine of a motor vehicleMANN & HUMMEL FILTER·Filed 1991·Granted Dec 1, 1992·144 cites·11 claims
- 0492US5125941AAir intake filter for internal combustion enginesMANN & HUMMEL FILTER·Filed 1991·Granted Jun 30, 1992·163 cites·7 claims
- 0592US5120337AIntake air filter for the internal combustion engine of a motor vehicleMANN & HUMMEL FILTER·Filed 1991·Granted Jun 9, 1992·102 cites·6 claims
- 0691US6312489B1Filter element for an air filter and a method for the production thereofMANN & HUMMEL FILTER·Filed 1998·Granted Nov 6, 2001·95 cites·10 claims
- 0791US5951729AFilter for the air intake of an internal combustion engineMANN & HUMMEL FILTER·Filed 1996·Granted Sep 14, 1999·91 cites·6 claims
- 0891US5622583AMethod of producing a filter insertMANN & HUMMEL FILTER·Filed 1994·Granted Apr 22, 1997·46 cites·10 claims
- 0989US5695633AOil filter support tube and housing cover with snap detent connection therebetweenMANN & HUMMEL FILTER·Filed 1996·Granted Dec 9, 1997·85 cites·8 claims
- 1089US5137557ASuction air filter for combustion enginesDEERE & CO·Filed 1991·Granted Aug 11, 1992·86 cites·13 claims
- 1188US5725624AAir filter for the intake air of an internal-combustion engineMANN & HUMMEL FILTER·Filed 1996·Granted Mar 10, 1998·79 cites·5 claims
- 1282US6723149B2Separator for liquids comprising a separating cartridge, particularly for separating oil from crankcase gasesMANN & HUMMEL FILTER·Filed 2001·Granted Apr 20, 2004·34 cites·18 claims
- 1380US5554205AAir filter for the interior of a motor vehicleMANN & HUMMEL FILTER·Filed 1994·Granted Sep 10, 1996·42 cites·8 claims
- 1479US5698098AOil filter housing including a valved drain openingMANN & HUMMEL FILTER·Filed 1995·Granted Dec 16, 1997·54 cites·3 claims
- 1579US5560330AIntake manifold and process for making itMANN & HUMMEL FILTER·Filed 1993·Granted Oct 1, 1996·40 cites·15 claims
- 1675US5042999AAir intake filter for internal combustion enginesMANN & HUMMEL FILTER·Filed 1990·Granted Aug 27, 1991·31 cites·13 claims
- 1774US6138628ACamshaft controller, in particular for use in an induction manifold system for a multi-cylinder internal combustion engineMANN & HUMMEL FILTER·Filed 1998·Granted Oct 31, 2000·28 cites·8 claims
- 1871US6234132B1Intake system of thermoplastic plasticsMANN & HUMMEL FILTER·Filed 1998·Granted May 22, 2001·26 cites·9 claims
- 1965US5696318AAir intake for an internal combustion engineMANN & HUMMEL FILTER·Filed 1996·Granted Dec 9, 1997·22 cites·15 claims
- 2065US4744091AMirror assembly for gas laserHERAEUS GMBH W C·Filed 1986·Granted May 10, 1988·18 cites·20 claims
- 2155US5480197AToggle catch for intake air filters of internal-combustion engines, compressors and other machines which take in airMANN & HUMMEL FILTER·Filed 1993·Granted Jan 2, 1996·19 cites·6 claims
- 2250US4231343ADevice for controlling the intake air temperature of a carburetor-equipped internal combustion engineMANN & HUMMEL FILTER·Filed 1979·Granted Nov 4, 1980·12 cites·7 claims
- 2347US4611329AGas laserHERAEUS GMBH W C·Filed 1984·Granted Sep 9, 1986·7 cites·15 claims
- 2445US6148799AIntake systemMANN & HUMMEL FILTER·Filed 1996·Granted Nov 21, 2000·10 cites·4 claims
- 2538US4553242AGas laserHERAEUS GMBH W C·Filed 1984·Granted Nov 12, 1985·4 cites·18 claims
- 2632US6161514AAir intake module for an internal combustion engineMANN & HUMMEL FILTER·Filed 1997·Granted Dec 19, 2000·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →