Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9303202 | Polymeric treatment and wellbore pump arranged to increase hydrocarbon production | Michael John Crabtree, Philip Fletcher | 2016-04-05 |
| 8672033 | Method of improving performance and efficiency of wellbore pump for hydrocarbon production | Michael John Crabtree, Philip Fletcher | 2014-03-18 |
| 8357745 | Wax-containing materials | Philip Fletcher | 2013-01-22 |