Inventor
ZENKER SIEGFRIED
DE21 patents
⚠️ This page may combine multiple inventors who share the name “ZENKER SIEGFRIED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DANFOSS AS
7 patentsUS5000001AMar 19, 1991
Dual load-sensing passage adjustable relief valves for hydraulic motor control
DANFOSS AS28 citations92
US4981159AJan 1, 1991
Hydraulic control valve with pressure sensing means
DANFOSS AS41 citations92
US5979498ANov 9, 1999
Three-way or multi-way valve
DANFOSS AS19 citations82
US4955194ASep 11, 1990
Damping arrangement for damping the oscillations of valve controlled by pressure fluid
DANFOSS AS18 citations74
US5647394AJul 15, 1997
Control valve
DANFOSS AS8 citations67
US5337778AAug 16, 1994
Pressure control valve
DANFOSS AS2 citations63
US5947441ASep 7, 1999
Two-way seat-type valve
DANFOSS AS5 citations60
SAUER DANFOSS APS
6 patentsUS6854270B2Feb 15, 2005
Hydraulic valve system
SAUER DANFOSS APS19 citations92
US8020583B2Sep 20, 2011
Hydraulic valve arrangement
SAUER DANFOSS APS15 citations84
US7770596B2Aug 10, 2010
Hydraulic valve arrangement
SAUER DANFOSS APS8 citations84
US6971407B2Dec 6, 2005
Hydraulic valve arrangement
SAUER DANFOSS APS11 citations73
US6805161B2Oct 19, 2004
Hydraulic valve system
SAUER DANFOSS APS5 citations63
US7975598B2Jul 12, 2011
Hydraulic valve arrangement
SAUER DANFOSS APS2 citations62