Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D780883 | Rigid proppant container | Austin Carl Schaffner, Glenn Ray Fowler, Bryan Chapman Lucas, Calvin L. Stegemoeller, Wesley John Warren +4 more | 2017-03-07 |
| 9217316 | Correlating depth on a tubular in a wellbore | Muhammad Asif Ehtesham, Robert Pipkin | 2015-12-22 |
| 9016390 | Apparatus and method for providing wellbore isolation | Takao Stewart, Robert Pipkin, Eric Bivens, Fraser McNeil, Michael Bailey | 2015-04-28 |
| 8863835 | Variable frequency fluid oscillators for use with a subterranean well | Roger L. Schultz, Robert Pipkin | 2014-10-21 |
| 7678744 | Hydrocarbon industry servicing fluid and methods of performing service operations | Laurence James Abney, Graeme W. Pirie, Billy Slabaugh, Leonard R. Case | 2010-03-16 |
| 7332094 | Irradiation system and methods of treating fluids in hydrocarbon industry applications | Larry Lance Abney, Graeme W. Pirie, Billy Slabaugh, Leonard R. Case | 2008-02-19 |