Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10550950 | Check valve with nylon cage insert | Michael Bair, Simon Shin, Christopher Lindgren | 2020-02-04 |
| 10337286 | Resealable tubing drain for oilfield service | Michael Bair, Simon Shin | 2019-07-02 |
| 10184314 | Downhole valve with cage inserts | Michael Bair, Simon Shin, Christopher Lindgren | 2019-01-22 |
| 9784055 | Polish rod alignment device/stuffing box packing preserver | Michael Bair | 2017-10-10 |
| 9784069 | Hydraulic drain for oilfield service | Michael Bair, Simon Shin | 2017-10-10 |