Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9371479 | Controlled release biocides in oilfield applications | Andrey Mirakyan, Richard D. Hutchins, Eric Clum | 2016-06-21 |
| 9181984 | Alignment feature for hub and driveshaft assembly | Eli Beard, Ken Monroe, Walter B. Freeman | 2015-11-10 |
| 9097077 | Downhole chemical delivery system and method | — | 2015-08-04 |
| 8833452 | Chemical diversion technique | — | 2014-09-16 |
| 8646530 | Chemical diversion technique | — | 2014-02-11 |
| 8627889 | Drilling and fracturing fluid | Philip F. Sullivan, Marie Noelle Dessinges | 2014-01-14 |
| 7971644 | Fluid loss additive and breaking agent | Hemant K. Ladva, Syed A. Ali, Mohan K.R. Panga, Richard D. Hutchins | 2011-07-05 |
| 7806182 | Stimulation method | George Waters, Paul R. Howard, John W. Still | 2010-10-05 |
| 7779915 | Methods of limiting leak off and damage in hydraulic fractures | Richard D. Hutchins, Hemant K. Ladva, Sylvie Daniel | 2010-08-24 |
| 7703521 | Polymeric microspheres as degradable fluid loss additives in oilfield applications | Philip F. Sullivan, Gary John Tustin, Hemant K. Ladva | 2010-04-27 |
| 6561468 | Mounting system for displaying a bird | — | 2003-05-13 |
| 6076879 | Bed liner with graphics display | Dennis Bills, John Carpenter | 2000-06-20 |
| 5887931 | Bed liner with graphics display | Dennis Bills, John Carpenter | 1999-03-30 |
| D349880 | Raft tiller assembly | Jerome A. Tuchschmidt | 1994-08-23 |