Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D338897 | Impeller paddle | — | 1993-08-31 |
| 5190140 | Material handling apparatus | — | 1993-03-02 |
| 5147030 | Impeller assembly | — | 1992-09-15 |
| D325034 | Impeller paddle liner | — | 1992-03-31 |
| 5035317 | Impeller assembly with adjustable impeller | — | 1991-07-30 |
| 4964502 | Impeller assembly | — | 1990-10-23 |
| 4797004 | Material mixer | — | 1989-01-10 |
| 4772173 | Silo unloader | Glen D. Hansen | 1988-09-20 |
| 4585385 | Bottom unloader | Glen D. Hansen, Donald L. Henke | 1986-04-29 |
| 4553664 | Apparatus for tensioning a belt | Glen D. Hansen | 1985-11-19 |
| 4514978 | Fluid pressure power transmission | Glen D. Hansen | 1985-05-07 |
| 4504253 | Material mixing apparatus | Donald L. Henke | 1985-03-12 |
| 4471868 | Incline-decline conveyor | Glen D. Hansen | 1984-09-18 |
| 4465409 | Silo unloader | Glen D. Hansen | 1984-08-14 |
| 4462693 | Material mixing apparatus | Donald L. Henke | 1984-07-31 |
| 4449606 | Vehicle frame assembly | Glen D. Hansen | 1984-05-22 |
| 4437637 | Support stand | Glen D. Hansen | 1984-03-20 |
| 4405040 | Releasable drive apparatus | Donald L. Henke | 1983-09-20 |
| 4373600 | Three wheel drive vehicle | Glen D. Hansen | 1983-02-15 |
| 4372729 | Tilt control | Donald L. Henke, Glen D. Hansen | 1983-02-08 |
| 4369855 | Fluid drive system | Marion E. Hutchison | 1983-01-25 |
| 4361203 | Power steering system for motor vehicle | — | 1982-11-30 |
| 4358011 | Material conveying apparatus | Glen D. Hansen | 1982-11-09 |
| 4329105 | Silo unloader leveling apparatus | Glen D. Hansen, Jerome T. Paulson, Clifton W. Anderson | 1982-05-11 |
| 4320825 | Material conveying apparatus | Glen D. Hansen | 1982-03-23 |