Inventor
PAFFRATH HOLGER
DE15 patents
⚠️ This page may combine multiple inventors who share the name “PAFFRATH HOLGER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MANN & HUMMEL FILTER
7 patentsUS6094909AAug 1, 2000
Secondary air system for an internal combustion engine
MANN & HUMMEL FILTER57 citations95
US6334436B1Jan 1, 2002
Secondary air system for an internal combustion engine
MANN & HUMMEL FILTER45 citations92
US6655348B1Dec 2, 2003
Port system, especially an induction manifold for an internal combustion engine
MANN & HUMMEL FILTER10 citations73
US6478011B2Nov 12, 2002
Air intake device for an internal combustion engine
MANN & HUMMEL FILTER7 citations73
US6435152B1Aug 20, 2002
Induction device for an internal combustion engine
MANN & HUMMEL FILTER8 citations73
US6216657B1Apr 17, 2001
Process for regulating air consumption in the intake tract of an internal combustion engine and intake pipe for carrying out the process
MANN & HUMMEL FILTER10 citations72
US6247438B1Jun 19, 2001
Intake pipe with shift drum
MANN & HUMMEL FILTER2 citations62
PIERBURG GMBH
5 patentsUS8047502B2Nov 1, 2011
Combined check and control valve
PIERBURG GMBH7 citations83
US9638141B2May 2, 2017
Exhaust gas valve device for an internal combustion engine
PIERBURG GMBH5 citations68
US9719608B2Aug 1, 2017
Actuator for valves in internal combustion engines
PIERBURG GMBH0 citations45
US9970337B2May 15, 2018
Actuator for valves in internal combustion engines
PIERBURG GMBH1 citations43
US9695781B2Jul 4, 2017
Valve system for internal combustion engines
PIERBURG GMBH0 citations41