Inventor
LEIPELT RUDOLF
29 patents
⚠️ This page may combine multiple inventors who share the name “LEIPELT RUDOLF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MANN & HUMMEL FILTER
27 patentsUS6231630B1May 15, 2001
Air filter
MANN & HUMMEL FILTER281 citations99
US5391212AFeb 21, 1995
Filter system, especially for filtering the air intake of an internal combustion engine
MANN & HUMMEL FILTER152 citations99
US5951729ASep 14, 1999
Filter for the air intake of an internal combustion engine
MANN & HUMMEL FILTER91 citations98
US5127684AJul 7, 1992
Tension clamp
MANN & HUMMEL FILTER138 citations98
US5030264AJul 9, 1991
Air intake filter for an internal combustion engine
MANN & HUMMEL FILTER167 citations96
US4993517AFeb 19, 1991
Oil-fill opening for introducing lubricating oil into an internal combustion engine
MANN & HUMMEL FILTER57 citations93
US6408810B1Jun 25, 2002
Air intake device
MANN & HUMMEL FILTER32 citations92
US5698098ADec 16, 1997
Oil filter housing including a valved drain opening
MANN & HUMMEL FILTER54 citations92
US5696318ADec 9, 1997
Air intake for an internal combustion engine
MANN & HUMMEL FILTER22 citations92
US5560330AOct 1, 1996
Intake manifold and process for making it
MANN & HUMMEL FILTER40 citations92
US5554205ASep 10, 1996
Air filter for the interior of a motor vehicle
MANN & HUMMEL FILTER42 citations92
US5042999AAug 27, 1991
Air intake filter for internal combustion engines
MANN & HUMMEL FILTER31 citations92
US6705272B2Mar 16, 2004
Air intake system with an air filter
MANN & HUMMEL FILTER32 citations91
US4565176AJan 21, 1986
Device for controlling the intake air temperature of a mixture-compressing internal combustion engine
MANN & HUMMEL FILTER26 citations91
US6234132B1May 22, 2001
Intake system of thermoplastic plastics
MANN & HUMMEL FILTER26 citations90
US6460501B1Oct 8, 2002
Air suction device for internal combustion engine
MANN & HUMMEL FILTER13 citations74
US6148799ANov 21, 2000
Intake system
MANN & HUMMEL FILTER10 citations74
US6655348B1Dec 2, 2003
Port system, especially an induction manifold for an internal combustion engine
MANN & HUMMEL FILTER10 citations73
US6435152B1Aug 20, 2002
Induction device for an internal combustion engine
MANN & HUMMEL FILTER8 citations73
US5899378AMay 4, 1999
Plastic housing
MANN & HUMMEL FILTER10 citations72
US4249500AFeb 10, 1981
Flapper linkage in air intake control system of internal combustion engine
MANN & HUMMEL FILTER11 citations71
US4231343ANov 4, 1980
Device for controlling the intake air temperature of a carburetor-equipped internal combustion engine
MANN & HUMMEL FILTER12 citations71
US6439621B1Aug 27, 2002
Tubing coupling and a method for producing the same
MANN & HUMMEL FILTER11 citations70
US6557512B2May 6, 2003
Adjustable intake pipe
MANN & HUMMEL FILTER6 citations63
US6247438B1Jun 19, 2001
Intake pipe with shift drum
MANN & HUMMEL FILTER2 citations62
US6161514ADec 19, 2000
Air intake module for an internal combustion engine
MANN & HUMMEL FILTER3 citations62
US6148788ANov 21, 2000
Valve for liquids
MANN & HUMMEL FILTER1 citations51