Issued Patents All Time
Showing 101–125 of 132 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7469756 | Tool with a large volume of a superhard material | David R. Hall, Jeff Jepson | 2008-12-30 |
| 7467937 | Preloaded threads for a high-temperature high-pressure press | David R. Hall, Timothy C. Duke, Scott Dahlgren | 2008-12-23 |
| 7467936 | Radial compression element for a HTHP cartridge | David R. Hall, Scott Dahigren, Timothy C. Duke | 2008-12-23 |
| 7464993 | Attack tool | David R. Hall, Jeff Jepson | 2008-12-16 |
| D581952 | Pick | David R. Hall, Scott Dahlgren, Jeff Jepson | 2008-12-02 |
| 7451944 | Replaceable segmented wear liner | David R. Hall, Jeff Jepson, John Bailey | 2008-11-18 |
| 7445294 | Attack tool | David R. Hall, Jeff Jepson | 2008-11-04 |
| 7419224 | Sleeve in a degradation assembly | David R. Hall, Jeff Jepson | 2008-09-02 |
| 7413258 | Hollow pick shank | David R. Hall, Scott Dahlgren, Jeff Jepson | 2008-08-19 |
| 7413256 | Washer for a degradation assembly | David R. Hall, Jeff Jepson | 2008-08-19 |
| 7410221 | Retainer sleeve in a degradation assembly | David R. Hall, Jeff Jepson, Tyson J. Wilde | 2008-08-12 |
| 7401863 | Press-fit pick | David R. Hall, Jeff Jepson | 2008-07-22 |
| 7396086 | Press-fit pick | David R. Hall, Jeff Jepson | 2008-07-08 |
| 7384105 | Attack tool | David R. Hall, Jeff Jepson | 2008-06-10 |
| 7353893 | Tool with a large volume of a superhard material | David R. Hall, Jeff Jepson | 2008-04-08 |
| D566137 | Pick bolster | David R. Hall, Scott Dahlgren, Jeff Jepson | 2008-04-08 |
| 7347292 | Braze material for an attack tool | David R. Hall, Jeff Jepson | 2008-03-25 |
| 7338135 | Holder for a degradation assembly | David R. Hall, Jeff Jepson | 2008-03-04 |
| 7320505 | Attack tool | David R. Hall, Jeff Jepson | 2008-01-22 |
| D554162 | Diamond enhanced cutting element | David R. Hall, John Bailey, Matt Kudla | 2007-10-30 |
| 7231766 | High pressure intensifying piston valve | David R. Hall, Timothy C. Duke, Jeff Jepson | 2007-06-19 |
| 6158304 | Process for forming a center cutting end mill | Scott M. Packer, Arturo A. Rodriguez | 2000-12-12 |
| 6152657 | Center cutting end mill | Scott M. Packer, Arturo A. Rodriguez | 2000-11-28 |
| 6124573 | Metallized graphite heater for a high-pressure high-temperature reaction vessel | David R. Hall, Joe Fox, Damon B. Crockett | 2000-09-26 |
| 6106585 | Process for making diamond and cubic boron nitride cutting elements | Scott M. Packer, Arturo A. Rodriguez | 2000-08-22 |