Inventor
HELFMEIER ULRICH
DE6 patents
⚠️ This page may combine multiple inventors who share the name “HELFMEIER ULRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LUK LAMELLEN & KUPPLUNGSBAU
5 patentsUS6446436B1Sep 10, 2002
Master cylinder for use in power trains of motor vehicles
LUK LAMELLEN & KUPPLUNGSBAU25 citations91
US6719115B2Apr 13, 2004
Hydraulic operating arrangement for clutches and the like
LUK LAMELLEN & KUPPLUNGSBAU23 citations90
US6640541B2Nov 4, 2003
Master cylinder for use in power trains of motor vehicles
LUK LAMELLEN & KUPPLUNGSBAU7 citations72
US6526868B2Mar 4, 2003
Master cylinder for use in power trains of motor vehicles
LUK LAMELLEN & KUPPLUNGSBAU6 citations72
US7121396B2Oct 17, 2006
Hydraulic operating arrangement for clutches and the like
LUK LAMELLEN & KUPPLUNGSBAU3 citations60