Inventor
KRAMER KENNETH D
US6 patents
Patents
6 patentsUS4799645AJan 24, 1989
Pilot operated hydraulic control valve
DEERE & CO47 citations90
US4437385AMar 20, 1984
Electrohydraulic valve system
DEERE & CO84 citations90
US4679765AJul 14, 1987
Low leakage orifice-controlled poppet valve
DEERE & CO52 citations89
US4506700AMar 26, 1985
Poppet valve with float function
DEERE & CO17 citations71
US4461314AJul 24, 1984
Electrohydraulic valve
DEERE & CO18 citations71
US4419642ADec 6, 1983
Solenoid with saturable element
DEERE & CO14 citations70