Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7669580 | Electronic engine speed control system for grass mowing machine | Carl S. Silbernagel, Harlin J. Trefz, Donald W. Ertmer | 2010-03-02 |
| 6681553 | Mower cutting chamber | Philip Eugene Ferree, Christian Heuvel | 2004-01-27 |
| 6176071 | Tensioning idler assembly for mower deck belt drive | Christopher S. Thorman, Ronald Paul Holland | 2001-01-23 |
| 5769747 | Belt tensioning mechanism with stop feature | Timothy M. Post | 1998-06-23 |
| 5609011 | Rotating mower baffle mechanism | Daniel J. Kettler, David K. Stricker | 1997-03-11 |
| 5483790 | Rotating mower baffle mechanism | Daniel J. Kettler, David K. Stricker | 1996-01-16 |
| 5267429 | Rear discharge mulching apparatus | Daniel J. Kettler, Dean W. Benter | 1993-12-07 |
| 5191756 | Mulching mower apparatus | — | 1993-03-09 |
| 5042882 | Mower deck wheel bearing seal mechanism | Christopher S. Thorman | 1991-08-27 |
| 5025617 | Implement suspension mechanism | Kenneth Edward Hunt, Christopher S. Thorman | 1991-06-25 |
| 5012632 | Belt tensioner | Kenneth Edward Hunt, Christopher S. Thorman | 1991-05-07 |
| 4989398 | Hubless sheave and spindle | Christopher S. Thorman | 1991-02-05 |
| 4907466 | Key shift transmission | — | 1990-03-13 |
| 4893392 | Method of manufacturing an improved knob by injection molding | David K. Stricker, Virgil P. Huhmann, William E. Chase | 1990-01-16 |
| 4783884 | Knob | David K. Stricker, Virgil P. Huhmann, William E. Chase | 1988-11-15 |
| 4771856 | Single lever control for vehicle belt drive | Wayne R. Hutchison | 1988-09-20 |
| 4747612 | Quick attach coupling | — | 1988-05-31 |
| 4563019 | Latch assembly for holding a front mounted implement in raised position | Lloyd A. Wykhuis, David K. Stricker | 1986-01-07 |
| 4531757 | Tractor hitch arrangement | — | 1985-07-30 |
| 4512414 | Rotary tiller | Henry J. Lange | 1985-04-23 |
| 4490966 | Hitch structure for coupling an implement to a vehicle | Lloyd A. Wykhuis | 1985-01-01 |
| 4453374 | Quick-release shield mounting | — | 1984-06-12 |
| 4442660 | High lift mechanism for rear end of front mounted mower | — | 1984-04-17 |
| 4441306 | Implement working height-adjustment mechanism | — | 1984-04-10 |
| 4440415 | Hydraulic lift arm assembly mounting arrangement | Lloyd A. Wykhuis | 1984-04-03 |