P

Inventor

ERDMANNSDOERFER HANS

DE20 patents
⚠️ This page may combine multiple inventors who share the name “ERDMANNSDOERFER HANS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MANN & HUMMEL FILTER

18 patents
US5741421AApr 21, 1998

Filter device

MANN & HUMMEL FILTER97 citations96
US4632682ADec 30, 1986

Cartridge-type oil separator air filter

MANN & HUMMEL FILTER109 citations96
US5071456ADec 10, 1991

Air filter with radially sealing filter insert

MANN & HUMMEL FILTER121 citations95
US4418662ADec 6, 1983

Engine air intake filter with fumes-absorbing substance

MANN & HUMMEL FILTER126 citations94
US6090177AJul 18, 2000

Air filter element with a control tube and divided housing

MANN & HUMMEL FILTER58 citations92
US5693217ADec 2, 1997

Fluid circuit with a primary stream filter and a bypass stream centrifuge

MANN & HUMMEL FILTER21 citations92
US5042249AAug 27, 1991

Soot filter for cleaning the exhaust from an internal combustion engine

MANN & HUMMEL FILTER51 citations92
US4619674AOct 28, 1986

Dual-element filter cartridge for air intake filters designed for a dusty environment

MANN & HUMMEL FILTER46 citations92
US4670233AJun 2, 1987

Method of removing soot which has been trapped in an exhaust gas filter of an internal combustion engine

MANN & HUMMEL FILTER25 citations90
US4516990AMay 14, 1985

Method of removing soot from exhaust gases

MANN & HUMMEL FILTER51 citations90
US5417848AMay 23, 1995

Coalescence separator with changeable coalescence element

MANN & HUMMEL FILTER45 citations86
US4271025AJun 2, 1981

Layered filter cartridge with internal bypass channels

MANN & HUMMEL FILTER24 citations82
US4436535AMar 13, 1984

Method and device for removing soot from exhaust gases

MANN & HUMMEL FILTER26 citations81
US6235089B1May 22, 2001

Filter insert

MANN & HUMMEL FILTER9 citations74
US5707521AJan 13, 1998

Filter element having a nonwoven layer and a permeable shrink tube

MANN & HUMMEL FILTER11 citations73
US5028405AJul 2, 1991

Process and apparatus for the burning off of carbon (SOOT) deposited on exhaust gas filters

MANN & HUMMEL FILTER15 citations71
US4948549AAug 14, 1990

Process for producing soot filter elements

MANN & HUMMEL FILTER6 citations56
US5661975ASep 2, 1997

Soot filtration device

MANN & HUMMEL FILTER1 citations42

(unassigned)

1 patent

DAIMLER BENZ AG

1 patent