Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6431216 | Protective tube assembly | — | 2002-08-13 |
| 5970636 | Dump block | John S. Kreitzberg | 1999-10-26 |
| 5382110 | Quick coupling device | Richard D. Perotto, Christopher M. Carpenter, Dean F. Richards | 1995-01-17 |
| 5084990 | Dragline bucket and method of operating the same | — | 1992-02-04 |
| 5063695 | Replaceable wear element and method | Paul C. Sprunger | 1991-11-12 |
| 5056243 | Connection for elements at least one of which is subject to abrasive wear | Paul C. Sprunger | 1991-10-15 |
| 5005304 | Replaceable wear element | Paul C. Sprunger | 1991-04-09 |
| 4995176 | Replaceable wear element, assembly and method | Paul C. Sprunger | 1991-02-26 |
| 4903420 | Mining tooth point | John S. Kreitzberg, Herbert E. Jones | 1990-02-27 |
| RE32847 | Wedge-type rope socket connection and method | Robert L. Van Hoomissen | 1989-01-31 |
| 4791738 | Dragline bucket | — | 1988-12-20 |
| 4718788 | Wire rope equalizer socket | — | 1988-01-12 |
| 4689904 | Rub link assembly for dragline bucket | — | 1987-09-01 |
| 4640496 | Dump block for dragline bucket | Robert L. Van Hoomissen, Don Barker | 1987-02-03 |
| 4597713 | Shovel dipper bail assembly | Rebecca A. H. VanRaden | 1986-07-01 |
| 4561154 | Wedge-type rope socket connection and method | Robert L. Van Hoomissen | 1985-12-31 |
| 4400933 | Connecting link | Dale Fillmore | 1983-08-30 |
| 4337614 | Pin locking assembly | — | 1982-07-06 |