Inventor
SCHWARZENTHAL DIETMAR
DE21 patents
⚠️ This page may combine multiple inventors who share the name “SCHWARZENTHAL DIETMAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PORSCHE AG
13 patentsUS5787855AAug 4, 1998
Method for cylinder cutout in an internal combustion engine
PORSCHE AG28 citations92
US5950583ASep 14, 1999
Valve gear of an internal-combustion engine
PORSCHE AG27 citations91
US5727527AMar 17, 1998
Method for cylinder cut-in in an internal combustion engine process
PORSCHE AG10 citations74
US6006152ADec 21, 1999
Method and device for monitoring the position of a variable valve control
PORSCHE AG9 citations73
US5603293AFeb 18, 1997
Tappet for a switchable valve of an internal combustion engine
PORSCHE AG12 citations72
US5558052ASep 24, 1996
Internal-combustion engine switchable valve tappet
PORSCHE AG15 citations72
US5435172AJul 25, 1995
Process for testing the operating efficiency of exhaust gas catalysts
PORSCHE AG17 citations72
US5845616ADec 8, 1998
Cylinder head arrangement of an internal-combustion engine
PORSCHE AG14 citations64
US8347840B2Jan 8, 2013
Process and system for starting a direct-injecting internal-combustion engine as well as motor vehicle
PORSCHE AG4 citations62
US6439180B2Aug 27, 2002
Cylinder head for a valve-controlled internal combustion engine
PORSCHE AG3 citations62
US7308355B2Dec 11, 2007
Method and control device for diagnosing a charge cycle valve stroke adjusting system of an internal-combustion engine
PORSCHE AG3 citations59
US6634985B2Oct 21, 2003
Method for control of an internal combustion engine with a variable valve control
PORSCHE AG0 citations51
US10641163B2May 5, 2020
Method for operating a supercharged internal combustion engine
PORSCHE AG0 citations39