Inventor
THORUD RICHARD A
US18 patents
Patents
18 patentsUS5042238AAug 27, 1991
Riding lawn mower
TORO CO142 citations97
US6082083AJul 4, 2000
Ground speed control system
TORO CO157 citations96
US4951449AAug 28, 1990
Convertible lawn mower
TORO CO71 citations96
US4694594ASep 22, 1987
Single stage snowthrower
TORO CO75 citations96
US4326370AApr 27, 1982
Rotary lawn mower
TORO CO71 citations96
US4205512AJun 3, 1980
Rotary mulching mower
TORO CO66 citations96
US5133176AJul 28, 1992
Multi-bladed mulching mower
TORO CO62 citations93
US5315771AMay 31, 1994
Discharge chute assembly for snowthrower
TORO CO30 citations92
US5195307AMar 23, 1993
Simplified blade brake clutch and propulsion control
TORO CO35 citations92
US5090183AFeb 25, 1992
Discharge chute blocking device for a rotary lawn mower
TORO CO43 citations92
US4908968AMar 20, 1990
Snowthrower with resilient impeller
TORO CO36 citations92
US5177888AJan 12, 1993
Discharge chute assembly for snowthrower
TORO CO25 citations90
US5363635ANov 15, 1994
Mulching mower with improved mulching blade
TORO CO36 citations89
US4015406AApr 5, 1977
Lawnmower bagging apparatus
TORO CO51 citations89
US3982082ASep 21, 1976
Starting system
TORO CO34 citations88
US5615542AApr 1, 1997
Mulching blade for lawn mower
TORO CO19 citations84
US4047367ASep 13, 1977
Rotary mower bagging apparatus
TORO CO20 citations82
US4403466ASep 13, 1983
Lawn mower engine oil drain
TORO CO18 citations73