Issued Patents 2018
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161208 | Drill string pressure altering apparatus and method | — | 2018-12-25 |
| D831077 | Venturi jet basket | — | 2018-10-16 |
| 9988859 | Impact dampening apparatus | — | 2018-06-05 |
| 9951582 | Pressure activated cyclical valve apparatus and method | — | 2018-04-24 |
| 9890601 | Mechanically activated bypass valve apparatus and method | — | 2018-02-13 |
| 9879495 | Hydraulic pipe string vibrator for reducing well bore friction | — | 2018-01-30 |