Issued Patents 2011
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8061457 | Chamfered pointed enhanced diamond insert | David R. Hall | 2011-11-22 |
| 8038223 | Pick with carbide cap | David R. Hall | 2011-10-18 |
| 8028774 | Thick pointed superhard material | David R. Hall, Jeff Jepson, Scott Dahlgren, John Bailey | 2011-10-04 |
| 8020471 | Method for manufacturing a drill bit | David R. Hall, John Bailey | 2011-09-20 |
| 8020333 | Cylinder with polycrystalline diamond interior | David R. Hall, Scott Dahlgren, Timothy C. Duke, Joshua Sensinger, Joe Fox +1 more | 2011-09-20 |
| 8007050 | Degradation assembly | David R. Hall, Jeff Jepson | 2011-08-30 |
| 8007051 | Shank assembly | David R. Hall, Jeff Jepson, Tyson J. Wilde, Jad A. Mills, Scott Dahlgren +1 more | 2011-08-30 |
| 7992944 | Manually rotatable tool | David R. Hall, Gary Peterson, Jeff Jepson | 2011-08-09 |
| 7992945 | Hollow pick shank | David R. Hall, Scott Dahlgren, Jeff Jepson | 2011-08-09 |
| 7985059 | Formable sealant barrier | David R. Hall | 2011-07-26 |
| 7976239 | End of a moldboard positioned proximate a milling drum | David R. Hall, Jeff Jepson, Thomas Morris, Joseph Nielson, Gary Peterson +1 more | 2011-07-12 |
| 7976238 | End of a moldboard positioned proximate a milling drum | David R. Hall, Jeff Jepson, Thomas Morris, Joseph Nielson, Gary Peterson +1 more | 2011-07-12 |
| 7963617 | Degradation assembly | David R. Hall, Scott Dahlgren | 2011-06-21 |
| 7950746 | Attack tool for degrading materials | David R. Hall, Joe Fox, Jeff Jepson, Michael Barnhill | 2011-05-31 |
| 7926883 | Spring loaded pick | David R. Hall, Francis Leany | 2011-04-19 |
| 7927085 | Formable sealant barrier | David R. Hall | 2011-04-19 |
| 7866585 | Rotary shaft impactor | David R. Hall, Jeff Jepson, Tyson J. Wilde | 2011-01-11 |