Assignee
MANN & HUMMEL FILTER
DE·299 granted patents·8 pending applications·10,840 citations·filing 1975–2007
Top patents by PatentIndex Score
307 records- 0198US6530872B2Free jet centrifuge rotorMANN & HUMMEL FILTER·Filed 2002·Granted Mar 11, 2003·141 cites·12 claims
- 0298US6231630B1Air filterMANN & HUMMEL FILTER·Filed 1997·Granted May 15, 2001·281 cites·10 claims
- 0397US6599342B2Filter cartridgeMANN & HUMMEL FILTER·Filed 2002·Granted Jul 29, 2003·123 cites·15 claims
- 0497US6572667B1Filter systemMANN & HUMMEL FILTER·Filed 2000·Granted Jun 3, 2003·204 cites·10 claims
- 0597US5391212AFilter system, especially for filtering the air intake of an internal combustion engineMANN & HUMMEL FILTER·Filed 1993·Granted Feb 21, 1995·152 cites·9 claims
- 0697US5127684ATension clampMANN & HUMMEL FILTER·Filed 1990·Granted Jul 7, 1992·138 cites·9 claims
- 0796US5893937AAir filter especially for cleaning combustion air for internal combustion enginesMANN & HUMMEL FILTER·Filed 1996·Granted Apr 13, 1999·175 cites·7 claims
- 0896US5030264AAir intake filter for an internal combustion engineMANN & HUMMEL FILTER·Filed 1990·Granted Jul 9, 1991·167 cites·7 claims
- 0996US4688511ADirt accumulation indicator for air intake filtersMANN & HUMMEL FILTER·Filed 1985·Granted Aug 25, 1987·155 cites·18 claims
- 1095US6709588B2Filter for internal combustion engine fuelsMANN & HUMMEL FILTER·Filed 2002·Granted Mar 23, 2004·110 cites·10 claims
- 1195US6530366B2Apparatus for gas recirculation in an internal combustion engineMANN & HUMMEL FILTER·Filed 2001·Granted Mar 11, 2003·57 cites·16 claims
- 1295US5098559ALiquid filter for the lubricating oil of an internal combustion engineMANN & HUMMEL FILTER·Filed 1990·Granted Mar 24, 1992·118 cites·7 claims
- 1394US6564768B2Air intake system for an internal combustion engineMANN & HUMMEL FILTER·Filed 2001·Granted May 20, 2003·54 cites·10 claims
- 1494US5730769AAir filter with scaling bead freely movable in the radial directionMANN & HUMMEL FILTER·Filed 1993·Granted Mar 24, 1998·205 cites·20 claims
- 1594US4632682ACartridge-type oil separator air filterMANN & HUMMEL FILTER·Filed 1986·Granted Dec 30, 1986·109 cites·8 claims
- 1694US4418662AEngine air intake filter with fumes-absorbing substanceMANN & HUMMEL FILTER·Filed 1981·Granted Dec 6, 1983·126 cites·6 claims
- 1794US4203739ASeparator device for removing oil from an air streamMANN & HUMMEL FILTER·Filed 1978·Granted May 20, 1980·79 cites·4 claims
- 1893US6579448B2Liquid filter with a bypass valveMANN & HUMMEL FILTER·Filed 2001·Granted Jun 17, 2003·68 cites·13 claims
- 1993US6540806B2Filter with a cylindrical housing and an annular filter cartridgeMANN & HUMMEL FILTER·Filed 2001·Granted Apr 1, 2003·53 cites·11 claims
- 2093US5520801ALiquid filterMANN & HUMMEL FILTER·Filed 1994·Granted May 28, 1996·103 cites·6 claims
- 2193US5167683AIntake air filter for the internal combustion engine of a motor vehicleMANN & HUMMEL FILTER·Filed 1991·Granted Dec 1, 1992·144 cites·11 claims
- 2292US7137510B1Filter elementMANN & HUMMEL FILTER·Filed 1998·Granted Nov 21, 2006·116 cites·11 claims
- 2392US6893571B2Method and apparatus for storing water separated from fuelMANN & HUMMEL FILTER·Filed 2002·Granted May 17, 2005·78 cites·20 claims
- 2492US6598580B2Insert filterMANN & HUMMEL FILTER·Filed 2001·Granted Jul 29, 2003·109 cites·10 claims
- 2592US6422221B2Intake manifold with integrated exhaust gas recirculation systemMANN & HUMMEL FILTER·Filed 2001·Granted Jul 23, 2002·45 cites·13 claims
- 2692US5620505AFilterMANN & HUMMEL FILTER·Filed 1995·Granted Apr 15, 1997·102 cites·20 claims
- 2792US5125941AAir intake filter for internal combustion enginesMANN & HUMMEL FILTER·Filed 1991·Granted Jun 30, 1992·163 cites·7 claims
- 2892US5120337AIntake air filter for the internal combustion engine of a motor vehicleMANN & HUMMEL FILTER·Filed 1991·Granted Jun 9, 1992·102 cites·6 claims
- 2992US5071456AAir filter with radially sealing filter insertMANN & HUMMEL FILTER·Filed 1990·Granted Dec 10, 1991·121 cites·6 claims
- 3091US6973925B2Ventilation device for crankcaseMANN & HUMMEL FILTER·Filed 2001·Granted Dec 13, 2005·54 cites·16 claims
- 3191US6792925B2Filter deviceMANN & HUMMEL FILTER·Filed 2003·Granted Sep 21, 2004·40 cites·7 claims
- 3291US6672292B2Fluid inlet for introducing a hot fluid into a hollow structureMANN & HUMMEL FILTER·Filed 2002·Granted Jan 6, 2004·37 cites·11 claims
- 3391US6485637B2Liquid filter with a drain for residual liquidMANN & HUMMEL FILTER·Filed 2000·Granted Nov 26, 2002·58 cites·9 claims
- 3491US6312489B1Filter element for an air filter and a method for the production thereofMANN & HUMMEL FILTER·Filed 1998·Granted Nov 6, 2001·95 cites·10 claims
- 3591US5951729AFilter for the air intake of an internal combustion engineMANN & HUMMEL FILTER·Filed 1996·Granted Sep 14, 1999·91 cites·6 claims
- 3691US5888384ALiquid filterMANN & HUMMEL FILTER·Filed 1997·Granted Mar 30, 1999·79 cites·17 claims
- 3791US5800584AOil separatorMANN & HUMMEL FILTER·Filed 1997·Granted Sep 1, 1998·71 cites·11 claims
- 3891US5622583AMethod of producing a filter insertMANN & HUMMEL FILTER·Filed 1994·Granted Apr 22, 1997·46 cites·10 claims
- 3991US5472379AAir filter for the interior of motor vehiclesMANN & HUMMEL FILTER·Filed 1994·Granted Dec 5, 1995·106 cites·9 claims
- 4091US5374355AFilter for fuels or lubricants of an internal combustion engineMANN & HUMMEL FILTER·Filed 1992·Granted Dec 20, 1994·106 cites·2 claims
- 4191US4516990AMethod of removing soot from exhaust gasesMANN & HUMMEL FILTER·Filed 1984·Granted May 14, 1985·51 cites·9 claims
- 4290US6513508B2Fluid feed duct for a hot fluid in a hollow structureMANN & HUMMEL FILTER·Filed 2002·Granted Feb 4, 2003·39 cites·9 claims
- 4390US6425743B1Internal combustion engine suction air throttle turbineMANN & HUMMEL FILTER·Filed 2001·Granted Jul 30, 2002·45 cites·18 claims
- 4490US6094909ASecondary air system for an internal combustion engineMANN & HUMMEL FILTER·Filed 1997·Granted Aug 1, 2000·57 cites·16 claims
- 4590US5429101AOil separator for the gases of the crankcase of an internal-combustion engineMANN & HUMMEL FILTER·Filed 1994·Granted Jul 4, 1995·74 cites·4 claims
- 4690US4198217AProtective air filter intake hood with air deflecting intake screenMANN & HUMMEL FILTER·Filed 1978·Granted Apr 15, 1980·33 cites·6 claims
- 4789US6408810B1Air intake deviceMANN & HUMMEL FILTER·Filed 2000·Granted Jun 25, 2002·32 cites·10 claims
- 4889US5741421AFilter deviceMANN & HUMMEL FILTER·Filed 1995·Granted Apr 21, 1998·97 cites·9 claims
- 4989US5695633AOil filter support tube and housing cover with snap detent connection therebetweenMANN & HUMMEL FILTER·Filed 1996·Granted Dec 9, 1997·85 cites·8 claims
- 5089US5477819AIntegrated air intake systemMANN & HUMMEL FILTER·Filed 1995·Granted Dec 26, 1995·69 cites·7 claims
Showing the top 50 of 307 patent records by PatentIndex Score.
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