Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10865626 | Hydraulic underbalance initiated safety firing head, well completion apparatus incorporating same, and method of use | Frank Haron Preiss | 2020-12-15 |
| D904475 | Tandem sub | Frank Haron Preiss, Liam McNelis, Thilo Scharf, David C. Parks | 2020-12-08 |
| 10844697 | Perforation gun components and system | Frank Haron Preiss, Liam McNelis, Thilo Scharf, David C. Parks | 2020-11-24 |
| D903064 | Alignment sub | Christian Eitschberger | 2020-11-24 |
| 10816311 | Electronic time delay fuse | Andreas Robert Zemla, Sascha Thieltges, Frank Graziola, Liam McNelis, Frank Haron Preiss | 2020-10-27 |