Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8241556 | Rotary holding device for gripping tool material at elevated temperatures through multiple collar assembly | David Rosal, Scott M. Packer, Russell J. Steel, Peter Cariveau, John Williams | 2012-08-14 |
| 7540340 | Cutting element having enhanced cutting geometry | — | 2009-06-02 |
| 7416035 | Shaped inserts with increased retention force | Ramamurthy Viswanadham, Chris E. Cawthorne, Anthony Griffo | 2008-08-26 |
| 7237627 | Bearing and lubrication system for earth boring bit | Chris E. Cawthorne, Kirk A. Norris, Robert H. Slaughter, Jr. | 2007-07-03 |
| 7086488 | Cutting element having enhanced cutting geometry | — | 2006-08-08 |
| 6446739 | Rock drill bit with neck protection | Peter Thomas Cariveau | 2002-09-10 |