Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8062872 | Methods and compositions for optimizing fermentation | Douglas G. Kelley | 2011-11-22 |
| 7931822 | Compositions and methods for wastewater treatment | Douglas G. Kelley | 2011-04-26 |
| 7163367 | Multi-position height adjustment system for a pipe handling apparatus | — | 2007-01-16 |
| 7021880 | Pipe handling apparatus for presenting sections of pipe to a derrick work floor having a high-speed carriage assembly | Vince Morelli, Darren Shiels, Sean Freeman | 2006-04-04 |
| 6899510 | Pipe handling system for presenting sections of pipe to a derrick work floor having a pipe ejection assembly | Vince Morelli, Darren Shiels, Jason Klumpenhower | 2005-05-31 |