Inventor
KILL WALTER
DE7 patents
Patents
7 patentsUS6619615B1Sep 16, 2003
Propotional control pressure valve
ZAHNRADFABRIK FRIEDRICHSHAFEN132 citations97
US7516756B2Apr 14, 2009
Proportional pressure control valve
ZAHNRADFABRIK FRIEDRICHSHAFEN19 citations83
US6607176B1Aug 19, 2003
Proportional pressure control valve
ZAHNRADFABRIK FRIEDRICHSHAFEN12 citations73
US6891710B2May 10, 2005
Method for control of a proportional magnet with a hold function
ZAHNRADFABRIK FRIEDRICHSHAFEN9 citations72
US6837477B2Jan 4, 2005
Proportional pressure-regulator valve
ZAHNRADFABRIK FRIEDRICHSHAFEN8 citations71
US7229063B2Jun 12, 2007
Pressure control valve
ZAHNRADFABRIK FRIEDRICHSHAFEN7 citations69
US6955186B2Oct 18, 2005
Electromagnetic double switching valve
ZAHNRADFABRIK FRIEDRICHSHAFEN7 citations69