Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7870932 | Retractable access system ladder and work machine using same | Kurt J. Scheidenhelm, Eric Beaupre | 2011-01-18 |
| 6240356 | Work machine speed control system to manage engine overspeed and brake energy | — | 2001-05-29 |
| 6094617 | Engine power monitoring system | — | 2000-07-25 |
| 5799950 | Lubricated joint with equalizing pressure zone | Joseph E. Allen, Dean M. Peterson | 1998-09-01 |
| 5782269 | Soft seal poppet type check valve | Steven P. Seaney, Rita R. Waller, Randall A. Harlow, Joseph F. Duffy, James R. Carlberg +1 more | 1998-07-21 |