Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6032886 | Adjustment for rock crusher | Daniel C. Drinkwater, Gerald E. Parker, David F. Peaks, Gary Heeszel, Randy Orre | 2000-03-07 |
| 5971306 | Gyratory crusher having tramp iron relief system with an annular hydraulic manifold | William A. Ganser, IV, Joseph E. Musil, Donald W. Henry, Mark Lawrence Hunt, David A. Ostergaard +5 more | 1999-10-26 |
| 5950939 | Cone crusher for rock | Daniel C. Drinkwater, Gerald E. Parker, David F. Peaks | 1999-09-14 |
| 5944265 | Gyratory crusher having self-contained lubrication system | William A. Ganser, IV, Joseph E. Musil, Donald W. Henry, Mark Lawrence Hunt, David A. Ostergaard +5 more | 1999-08-31 |
| 5875981 | Gyratory crusher having tramp iron relief system | William A. Ganser, IV, Joseph E. Musil, Donald W. Henry, Mark Lawrence Hunt, David A. Ostergaard +5 more | 1999-03-02 |
| 5803382 | Gyratory crusher having corrugation-like-seal | William A. Ganser, IV, Joseph E. Musil, Donald W. Henry, Mark Lawrence Hunt, David A. Ostergaard +5 more | 1998-09-08 |
| 5350125 | Cone crusher with peripherally driven gyratory head | — | 1994-09-27 |