Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12365828 | Polyolefin-coke composite granules as a hydraulic fracturing proppant | Dragan B. Stojkovic, Lee J. Hall, Kendal K. DECKER | 2025-07-22 |
| 11617934 | Auto feed hockey puck passing mechanism | — | 2023-04-04 |
| 11414974 | Granular crosslinked polyethylene as a hydraulic fracturing proppant | Pavlin B. Entchev, Alan A. Galuska, William B. Handy, Dragan B. Stojkovic | 2022-08-16 |
| 11345842 | Hydrocarbon wells including crosslinked polymer granules as lost circulation material and methods of drilling the hydrocarbon wells | Pavlin B. Entchev, Alan A. Galuska, William B. Handy | 2022-05-31 |
| 11319417 | Methods of manufacturing highly crosslinked polymer particulate | Alan A. Galuska, Pavlin B. Entchev, William B. Handy | 2022-05-03 |
| 11286755 | Hydrocarbon wells including crosslinked polymer granules in sand control structures and methods of completing the hydrocarbon wells | Charles S. Yeh, Pavlin B. Entchev | 2022-03-29 |