Inventor
MARTIN STEFFEN
DE6 patents
⚠️ This page may combine multiple inventors who share the name “MARTIN STEFFEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HYDRAULIK RING GMBH
5 patentsUS6371382B1Apr 16, 2002
Method for machining control edges of a valve for a fuel injection device of an internal combustion engine and fuel injection device with such a valve
HYDRAULIK RING GMBH14 citations82
US6345804B1Feb 12, 2002
Control valve for fuel injection devices for internal combustion engines
HYDRAULIK RING GMBH10 citations72
US6293252B1Sep 25, 2001
Fuel injection device for internal combustion engines
HYDRAULIK RING GMBH7 citations72
US6279543B1Aug 28, 2001
Pressure regulator for controlling the pre-injection quantity of fuel in internal combustion engines
HYDRAULIK RING GMBH12 citations72
US6286484B1Sep 11, 2001
Fuel injection device for internal combustion engines
HYDRAULIK RING GMBH5 citations61