Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11414974 | Granular crosslinked polyethylene as a hydraulic fracturing proppant | Pavlin B. Entchev, Robert M. SHIRLEY, Alan A. Galuska, Dragan B. Stojkovic | 2022-08-16 |
| 11345842 | Hydrocarbon wells including crosslinked polymer granules as lost circulation material and methods of drilling the hydrocarbon wells | Robert M. SHIRLEY, Pavlin B. Entchev, Alan A. Galuska | 2022-05-31 |
| 11319417 | Methods of manufacturing highly crosslinked polymer particulate | Alan A. Galuska, Pavlin B. Entchev, Robert M. SHIRLEY | 2022-05-03 |
| 10392897 | Flow back retrieval method for borehole plug with a lower slip assembly | Tristan Wise, Zachary S. Silva, Elias Pena, Gabriel Casanova, Hector O. Gonzalez | 2019-08-27 |
| 10151163 | Expandable junk mill stabilizer | Cristian A. Esparza, Athar M. Razvi, David B. Haughton, Ernest D. Colin, JR., Steve Rosenblatt | 2018-12-11 |
| 9938789 | Motion activated ball dropping tool | Zachary S. Silva | 2018-04-10 |
| 9644470 | Downhole camera | Jeffery D. Kitzman, Christopher K. Elliott | 2017-05-09 |
| 9359887 | Recoverable data acquisition system and method of sensing at least one parameter of a subterranean bore | James L. Miller, Jason C. Mailand, Elias Pena, James S. Sanchez, Christopher K. Elliott +1 more | 2016-06-07 |