Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 12421826 | Sealing device | David Merlau, Gareth Yen Ket Chin, Marius Smarandache | 2025-09-23 | |
| 10808493 | Packer system having lockable mechanism | Quangen Du | 2020-10-20 | $18,534,000 |
| 10240403 | Opposing thread screw safety joint | Michael Joseph Gratzinger | 2019-03-26 | $25,431,000 |