Assignee
SIMPLICITY MFG INC
US22 patents
Top patents by PatentIndex Score
US4787646ANov 29, 1988
Riding mower chassis with floating steerable rear wheels
SIMPLICITY MFG INC103 citations95
US4532755AAug 6, 1985
Clipping collector for riding mower
SIMPLICITY MFG INC79 citations93
US5094326AMar 10, 1992
Control linkage for hydrostatic transmission
SIMPLICITY MFG INC52 citations91
US4711073ADec 8, 1987
Clipping propulsion means for tractor mower
SIMPLICITY MFG INC39 citations91
US4433530AFeb 28, 1984
Interlock mechanism preventing engine starting when a mower is in power drive
SIMPLICITY MFG INC28 citations91
US6354978B1Mar 12, 2002
Differential and method for variable traction control
SIMPLICITY MFG INC28 citations90
US4807904AFeb 28, 1989
Riding mower chassis having improved rear portion
SIMPLICITY MFG INC36 citations90
US5085044AFeb 4, 1992
Two-blade mower deck with infinite height adjustment
SIMPLICITY MFG INC28 citations89
US4813215AMar 21, 1989
Mower belt transmission with blade brake
SIMPLICITY MFG INC69 citations89
US4621699ANov 11, 1986
Power takeoff for tractor having parallelogram front wheel suspension
SIMPLICITY MFG INC28 citations89
US4416109ANov 22, 1983
Mower attachment draft linkage responding to ground contour
SIMPLICITY MFG INC51 citations89
US5642864AJul 1, 1997
Chipper vacuum shredder system and apparatus
SIMPLICITY MFG INC22 citations87
US5570570ANov 5, 1996
Ride-on mower steering and suspension system
SIMPLICITY MFG INC18 citations80
US4897942AFeb 6, 1990
High efficiency snowthrower
SIMPLICITY MFG INC19 citations79
US4426831AJan 24, 1984
Mower blade
SIMPLICITY MFG INC25 citations75
US5803474ASep 8, 1998
Torsion bar rear suspension for ride-on mowers
SIMPLICITY MFG INC8 citations72
US4726440AFeb 23, 1988
Unitized frame for a self-propelled lawn mower
SIMPLICITY MFG INC15 citations71
US4433868AFeb 28, 1984
Cab for walk-behind tractor
SIMPLICITY MFG INC19 citations67
USD343175SJan 11, 1994
Yard waste processor
SIMPLICITY MFG INC3 citations60
US4396081AAug 2, 1983
Mechanism for indicating drive engaging force
SIMPLICITY MFG INC3 citations59
USD395319SJun 16, 1998
Vehicle grill
SIMPLICITY MFG INC7 citations58
USD303804SOct 3, 1989
Self-propelled riding tractor
SIMPLICITY MFG INC1 citations50