Inventor
STEDMAN ROBERT N
55 patents
Patents
50 patentsUS4166511ASep 4, 1979
Four-track low ground pressure crawler vehicle
CATERPILLAR TRACTOR CO60 citations96
US3954194AMay 4, 1976
Material grasping apparatus
CATERPILLAR TRACTOR CO57 citations96
US4230199AOct 28, 1980
Apparatus for shifting center of gravity of a work vehicle
CATERPILLAR TRACTOR CO34 citations93
US4082197AApr 4, 1978
Articulated high lift vehicle
CATERPILLAR TRACTOR CO46 citations93
US4059163ANov 22, 1977
Mine drilling apparatus and method
CATERPILLAR TRACTOR CO37 citations93
US3935953AFeb 3, 1976
Implement mounting means for earthworking vehicles
CATERPILLAR TRACTOR CO36 citations93
US4411329AOct 25, 1983
Vehicle with multi-directional movement capabilities
CATERPILLAR TRACTOR CO21 citations82
US4207967AJun 17, 1980
Combined lifting mechanism and overhead guard for lift vehicles
CATERPILLAR TRACTOR CO29 citations82
US4174757ANov 20, 1979
Material ripping vehicle
CATERPILLAR TRACTOR CO20 citations82
US4141601AFeb 27, 1979
Track shoe with retaining flanges
CATERPILLAR TRACTOR CO23 citations82
US4090579AMay 23, 1978
Industrial truck having a pivotal hood and counterweight assembly
CATERPILLAR TRACTOR CO22 citations82
US4071277AJan 31, 1978
Forward dumping truck construction
CATERPILLAR TRACTOR CO28 citations82
US4066119AJan 3, 1978
Rotatable radiator assembly for a vehicle
CATERPILLAR TRACTOR CO29 citations82
US4057121ANov 8, 1977
Modular rear axle suspension and drive arrangement for trucks
CATERPILLAR TRACTOR CO26 citations82
US4049139ASep 20, 1977
Backhoe with multi-movement capabilities
CATERPILLAR TRACTOR CO23 citations82
US4034822AJul 12, 1977
Hitch-steering, oscillation and differential support for a mining machine or the like
CATERPILLAR TRACTOR CO23 citations82
US3941195AMar 2, 1976
Bulldozer with horizontal brace
CATERPILLAR TRACTOR CO19 citations82
US4413708ANov 8, 1983
Industrial truck with pivotal front frames
CATERPILLAR TRACTOR CO17 citations74
US4312427AJan 26, 1982
Extra lift mast for lift trucks
CATERPILLAR TRACTOR CO9 citations74
US4257653AMar 24, 1981
Track assembly for track-type vehicles with dual link assemblies
CATERPILLAR TRACTOR CO15 citations74
US4165137AAug 21, 1979
Apex track shoe and method for making the same
CATERPILLAR TRACTOR CO13 citations74
US4147218AApr 3, 1979
Bulldozer attachment for four-tracked tractor
CATERPILLAR TRACTOR CO14 citations74
US4140186AFeb 20, 1979
Heavy-duty ripper for dual traction unit
CATERPILLAR TRACTOR CO7 citations74
US4122959AOct 31, 1978
Backhoe with multi-movement capabilities
CATERPILLAR TRACTOR CO7 citations74
US4123119AOct 31, 1978
Track shoe with clamping means
CATERPILLAR TRACTOR CO13 citations74
US4121875AOct 24, 1978
Two-component track shoe
CATERPILLAR TRACTOR CO12 citations74
US4100990AJul 18, 1978
Steering apparatus
CATERPILLAR TRACTOR CO14 citations74
US4093259AJun 6, 1978
Vehicle having resiliently mounted counterweight
CATERPILLAR TRACTOR CO14 citations74
US4084715AApr 18, 1978
Lift truck with means to pivot mast and the fork carriage thereon
CATERPILLAR TRACTOR CO20 citations74
US4077141AMar 7, 1978
Tire protector assembly for a wheel loader
CATERPILLAR TRACTOR CO11 citations74
US4074768AFeb 21, 1978
Blade support and control arrangement for a motor grader
CATERPILLAR TRACTOR CO7 citations74
US4069932AJan 24, 1978
Fork lift truck
CATERPILLAR TRACTOR CO13 citations74
US4062420ADec 13, 1977
Cab, pinned on for double articulated tractor
CATERPILLAR TRACTOR CO8 citations74
US4059172ANov 22, 1977
Lift truck mast positioning mechanism
CATERPILLAR TRACTOR CO12 citations74
US4056288ANov 1, 1977
Endless track for crawler vehicles
CATERPILLAR TRACTOR CO9 citations74
US4054185AOct 18, 1977
Mast control mechanism
CATERPILLAR TRACTOR CO15 citations74
US4052804AOct 11, 1977
Non-articulated scraper arrangement
CATERPILLAR TRACTOR CO11 citations74
US4053075AOct 11, 1977
High lift mounting means for loader buckets
CATERPILLAR TRACTOR CO14 citations74
US4053016AOct 11, 1977
Motor grader blade lift and control mechanism and method
CATERPILLAR TRACTOR CO8 citations74
US4049071ASep 20, 1977
Modular dual wheel suspension and drive arrangement for trucks
CATERPILLAR TRACTOR CO15 citations74
US4049079ASep 20, 1977
Tractor mounted apparatus for performing aerial work tasks
CATERPILLAR TRACTOR CO13 citations74
US4034855AJul 12, 1977
Suspended guide rollers
CATERPILLAR TRACTOR CO8 citations74
US3943793AMar 16, 1976
Collapsible steering wheel column
CATERPILLAR TRACTOR CO8 citations74
US4197049AApr 8, 1980
Ejector assembly having a pivotal upper member
CATERPILLAR TRACTOR CO13 citations73
US4152991AMay 8, 1979
Ripping apparatus
CATERPILLAR TRACTOR CO17 citations73
US4015348AApr 5, 1977
Ripper assembly for tractor drawn scraper
CATERPILLAR TRACTOR CO12 citations73
US4267749AMay 19, 1981
Compact reversible variable speed transmission and differential
CATERPILLAR TRACTOR CO12 citations72
US4221525ASep 9, 1980
Apparatus for transporting elongated members
CATERPILLAR TRACTOR CO6 citations63
US4204578AMay 27, 1980
Ground-engaging implement assembly
CATERPILLAR TRACTOR CO6 citations63
US4089431AMay 16, 1978
Bucket with reduced dumping width
CATERPILLAR TRACTOR CO4 citations63
Showing the top 50 of 55 patents by PatentIndex Score.