Issued Patents 2022
Showing 1–3 of 3 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 |