Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9909417 | Angled degradation pick | David R. Hall, Ronald B. Crockett, Dwain Norris, Gary Peterson, Jeffrey Crockett | 2018-03-06 |
| 8016219 | Impact crusher wear components including wear resistant inserts bonded therein | Don C. Rowlett | 2011-09-13 |
| 7909279 | Impact crusher wear components including wear resistant inserts bonded therein | Don C. Rowlett | 2011-03-22 |
| 7090159 | Invertible center feed disk for a vertical shaft impact crusher | Don C. Rowlett | 2006-08-15 |
| 7028936 | Wear bars for impellers | — | 2006-04-18 |
| 6857861 | Ring for concrete pump | Mark T. Klingensmith, James E. Cavanaugh | 2005-02-22 |
| 6595305 | Drill bit, hard member, and bit body | Curnie A. Dunn, Phillip W. Haga, Ted R. Massa, Douglas E. Bise, Stephen T. Belsheim +1 more | 2003-07-22 |
| 6367567 | Lockable drill steel and chuck assembly | Ted R. Massa, Daniel C. Statler | 2002-04-09 |