Inventor
SIMMONS GERALD P
US33 patents
⚠️ This page may combine multiple inventors who share the name “SIMMONS GERALD P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATERPILLAR TRACTOR CO
17 patentsUS4541497ASep 17, 1985
Control mechanism for operating a tractor
CATERPILLAR TRACTOR CO74 citations93
US4335797AJun 22, 1982
Noise suppression arrangement for engine enclosures
CATERPILLAR TRACTOR CO43 citations92
US4121085AOct 17, 1978
Gas nozzle for laser welding
CATERPILLAR TRACTOR CO52 citations87
US4064769ADec 27, 1977
Control pedal-mechanical speed with electrical direction control
CATERPILLAR TRACTOR CO22 citations81
US4560207ADec 24, 1985
Method and apparatus for fragmenting asphalt
CATERPILLAR TRACTOR CO22 citations80
US4163498AAug 7, 1979
Tower assembly
CATERPILLAR TRACTOR CO22 citations80
US4057332ANov 8, 1977
Peripherally cooled laser lens assembly
CATERPILLAR TRACTOR CO20 citations79
US4193467AMar 18, 1980
Parking brake mounting
CATERPILLAR TRACTOR CO9 citations74
US3975984AAug 24, 1976
Self aligning collect for machine tools
CATERPILLAR TRACTOR CO14 citations74
US4089595AMay 16, 1978
Mounting arrangement for right angle cassegranian telescope reflector system
CATERPILLAR TRACTOR CO9 citations72
US4162872AJul 31, 1979
Lift arm assembly
CATERPILLAR TRACTOR CO18 citations71
US4294465AOct 13, 1981
Operator's station and mounting
CATERPILLAR TRACTOR CO6 citations63
US4134506AJan 16, 1979
Material handling means for use in earthworking machines
CATERPILLAR TRACTOR CO2 citations63
US4064959ADec 27, 1977
Steering arrangement for a double articulated wheel tractor
CATERPILLAR TRACTOR CO4 citations63
US4088429AMay 9, 1978
Spherical shot producing machine
CATERPILLAR TRACTOR CO5 citations62
US3990595ANov 9, 1976
Mounting arrangement for impact rock breaker
CATERPILLAR TRACTOR CO2 citations61
US4053241AOct 11, 1977
Chambered mirror construction for lasers
CATERPILLAR TRACTOR CO4 citations60
CATERPILLAR INC
15 patentsUS6298933B1Oct 9, 2001
Equalizer bar stop assembly for limiting movement of the equalizer bar relative to the main frame of a track-type work machine
CATERPILLAR INC22 citations92
US5507360AApr 16, 1996
Hydraulic system for dynamic braking and secondary steering system supply
CATERPILLAR INC23 citations92
US4817746AApr 4, 1989
Suspension mechanism for a track-type vehicle
CATERPILLAR INC39 citations92
US6892837B2May 17, 2005
Electric drive system with differential steering
CATERPILLAR INC26 citations91
US5467541ANov 21, 1995
Electronic implement control
CATERPILLAR INC26 citations91
USD314388SFeb 5, 1991
Endless track work vehicle
CATERPILLAR INC32 citations91
US6086142AJul 11, 2000
Adjustable operator station for a work machine and an associated method for positioning an operator station relative to a cab floor of a work machine
CATERPILLAR INC38 citations89
US6139458AOct 31, 2000
Hydrostatic/direct drive transmission system and associated method
CATERPILLAR INC17 citations84
US7193342B2Mar 20, 2007
Apparatus for cooling of electrical devices
CATERPILLAR INC12 citations83
US4893687AJan 16, 1990
Mounting arrangement for a power train module of a vehicle
CATERPILLAR INC22 citations82
US5438887AAug 8, 1995
Electro-hydraulic interlock system for a transmission
CATERPILLAR INC15 citations74
US5758932AJun 2, 1998
Mental drive wheel for endless ground engaging drive belts
CATERPILLAR INC8 citations71
USH1318HJun 7, 1994
Composite truck body floor
CATERPILLAR INC8 citations70
USH1841HMar 7, 2000
Air cooled engine enclosure system and apparatus
CATERPILLAR INC6 citations63
US7441613B2Oct 28, 2008
Electric drive system with differential steering
CATERPILLAR INC3 citations61