Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8770668 | System and method for exchanging a milling drum assembly | David R. Hall, Jeff Jepson, David Wahlquist, Daniel Balling | 2014-07-08 |
| 8453497 | Test fixture that positions a cutting element at a positive rake angle | David R. Hall | 2013-06-04 |
| 8418784 | Central cutting region of a drilling head assembly | David R. Hall | 2013-04-16 |
| 8403595 | Plurality of liquid jet nozzles and a blower mechanism that are directed into a milling chamber | David R. Hall | 2013-03-26 |
| 8313050 | Diamond nozzle | David R. Hall, David Wahlquist | 2012-11-20 |
| 8262168 | Multiple milling drums secured to the underside of a single milling machine | David R. Hall | 2012-09-11 |
| 8261471 | Continuously adjusting resultant force in an excavating assembly | David R. Hall, Ronald B. Crockett | 2012-09-11 |
| 8256847 | Rotational milling chamber | David R. Hall, Jeff Jepson, David Wahlquist, Daniel Balling | 2012-09-04 |
| 8250786 | Measuring mechanism in a bore hole of a pointed cutting element | David R. Hall, Ronald B. Crockett | 2012-08-28 |
| 8061782 | Sensors on a degradation machine | David R. Hall, David Wahlquist, Scott Dahlgren | 2011-11-22 |
| 7976238 | End of a moldboard positioned proximate a milling drum | David R. Hall, Jeff Jepson, Joseph Nielson, Ronald B. Crockett, Gary Peterson +1 more | 2011-07-12 |
| 7976239 | End of a moldboard positioned proximate a milling drum | David R. Hall, Jeff Jepson, Joseph Nielson, Ronald B. Crockett, Gary Peterson +1 more | 2011-07-12 |
| 7942605 | Milling drum | David R. Hall, David Wahlquist, Neil Cannon | 2011-05-17 |
| 7887142 | Sensors on a degradation machine | David R. Hall, David Wahlquist, Scott Dahlgren | 2011-02-15 |
| 7854566 | Nozzles incorporated into a milling machine | David R. Hall, David Wahlquist, Neil Cannon | 2010-12-21 |
| 7798745 | Nozzle for a pavement reconditioning machine | David R. Hall, David Wahlquist | 2010-09-21 |
| 7757971 | Diamond nozzle | David R. Hall, David Wahlquist | 2010-07-20 |
| 7196459 | Light emitting assembly with heat dissipating support | — | 2007-03-27 |
| 5859581 | Thick film resistor assembly for fan controller | — | 1999-01-12 |
| 5690987 | Food grade processing method and products obtained therefrom | Wilbur A. Parker, James Baxley, Ricky C. Boyce | 1997-11-25 |
| 5408575 | Automotive fan controller | — | 1995-04-18 |