Inventor
JUNCK JOHN A
6 patents
Patents
6 patentsUS4282898AAug 11, 1981
Flow metering valve with operator selectable boosted flow
CATERPILLAR TRACTOR CO42 citations86
US4071106AJan 31, 1978
Auxiliary hydrostatic wheel drive
CATERPILLAR TRACTOR CO21 citations78
US4109561AAug 29, 1978
Control valve arrangement with a preconditioned relief valve and a flow force compensated valve spool
CATERPILLAR TRACTOR CO8 citations72
US4033236AJul 5, 1977
All hydraulic motor grader circuitry
CATERPILLAR TRACTOR CO18 citations72
US3995532ADec 7, 1976
Proportional control valve with preconditioned inlet modulating relief valve
CATERPILLAR TRACTOR CO14 citations72
US3997007ADec 14, 1976
Implement positioning hydraulic control system
CATERPILLAR TRACTOR CO5 citations61