Inventor
DEZELAN JOSEPH E
21 patents
⚠️ This page may combine multiple inventors who share the name “DEZELAN JOSEPH E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATERPILLAR TRACTOR CO
20 patentsUS4354351AOct 19, 1982
Load sensing steering
CATERPILLAR TRACTOR CO31 citations92
US4341149AJul 27, 1982
Selectively actuatable fluid control system for a work element
CATERPILLAR TRACTOR CO36 citations92
US3970327AJul 20, 1976
Suspension and load leveling for an urban hauler
CATERPILLAR TRACTOR CO44 citations92
US4217968AAug 19, 1980
Closed center emergency steering with accumulator source
CATERPILLAR TRACTOR CO21 citations82
US4069886AJan 24, 1978
Auxiliary hydrostatic front wheel drive system
CATERPILLAR TRACTOR CO24 citations82
US3997017ADec 14, 1976
Auxiliary hydrostatic front wheel drive system
CATERPILLAR TRACTOR CO30 citations81
US4515181AMay 7, 1985
Flow control valve assembly wth quick response
CATERPILLAR TRACTOR CO8 citations73
US4189920AFeb 26, 1980
Load signal control of hydraulic motor displacement
CATERPILLAR TRACTOR CO11 citations73
US4174614ANov 20, 1979
Torque limiting control for front wheel drive
CATERPILLAR TRACTOR CO8 citations73
US4107924AAug 22, 1978
Pump upgrading system
CATERPILLAR TRACTOR CO13 citations73
US4077484AMar 7, 1978
Hydro-electrical priority valve and speed control circuit
CATERPILLAR TRACTOR CO17 citations73
US4034815AJul 12, 1977
Blade lift float circuit for motor graders
CATERPILLAR TRACTOR CO10 citations73
US4017221AApr 12, 1977
Combined unloading and relief valve for pump unloading circuit
CATERPILLAR TRACTOR CO15 citations73
US4132290AJan 2, 1979
Locking mechanism for movable vehicle members
CATERPILLAR TRACTOR CO9 citations72
US4084644AApr 18, 1978
Motor grader or the like with hydraulic control system for circle gear
CATERPILLAR TRACTOR CO18 citations72
US3992035ANov 16, 1976
Combination hydraulic and mechanical suspension system
CATERPILLAR TRACTOR CO10 citations72
US3935792AFeb 3, 1976
Pilot pump bleed control for earthmoving scrapers
CATERPILLAR TRACTOR CO16 citations66
US4341280AJul 27, 1982
Variable displacement front wheel drive system
CATERPILLAR TRACTOR CO2 citations62
US4195479AApr 1, 1980
Torque control of hydraulic motors
CATERPILLAR TRACTOR CO5 citations62
US4191017AMar 4, 1980
Motor displacement control system
CATERPILLAR TRACTOR CO4 citations62