RH

Richard A. Heismann

OM Outboard Marine: 8 patents #42 of 426Top 10%
MU Murray: 5 patents #5 of 58Top 9%
TT The Toro: 2 patents #200 of 552Top 40%
TP Tecumseh Products: 1 patents #148 of 251Top 60%
📍 Knoxville, IL: #1 of 12 inventorsTop 9%
🗺 Illinois: #5,138 of 84,256 inventorsTop 7%
Overall (All Time): #302,533 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
6427364 Arrangement for heating air supplied to a carburetor of a snow thrower engine Dennis Stenz, Joseph T. Pawlak 2002-08-06
6381881 Engine cover for a snow thrower 2002-05-07
6318003 Snow thrower 2001-11-20
6249938 Cable length adjustment device 2001-06-26
5893224 Cutting arrangement for a snow blower Charles W. Harrington 1999-04-13
5388394 Lawn mower grass collection indicator 1995-02-14
D342076 Engine recoil housing 1993-12-07
4958483 Rope guide 1990-09-25
4614130 Tensioning control for flexible cable Warren W. Pendry 1986-09-30
4444002 Grass clipping catcher Richard R. Morse 1984-04-24
4435949 Mulching adapter for rotary lawn mower 1984-03-13
4354461 Two-cycle internal combustion engine including horizontal crankshaft Richard L. Morris 1982-10-19
4344274 Grass catcher bag 1982-08-17
4300295 Snow thrower impeller assembly 1981-11-17
4209964 Two-speed forward and reverse self-propel system for walk-behind mowers William Fuelling, Jr. 1980-07-01
4195466 Multi-function interlock self-propelled lawn mower with blade clutch 1980-04-01