Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D908742 | Scraper arm for use with disc harrows | Tom W. Ankenman | 2021-01-26 |
| 10834862 | Disc leveling system | Tom W. Ankenman | 2020-11-17 |
| 10349571 | Constant pressure hydraulic circuit with relief protection independent of pressure circuit | Jerome Thomas Fink | 2019-07-16 |
| 10225972 | Winged chisel | David H. Weast | 2019-03-12 |
| 6926093 | Mechanism for mounting a soil leveling device | Jerome Thomas Fink | 2005-08-09 |
| 6880644 | Deep tillage ripper with independent, spring-mounted closing wheels | David H. Weast | 2005-04-19 |
| 5450908 | Spring-cushioned hydraulic depth control system for tillage implements | Bill J. Pfenninger | 1995-09-19 |