Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11988045 | Eccentric reaming tool | Sorin Gabriel Teodorescu, Donnie Williams, Robert Bradley Beggs, Richard Earl Beggs | 2024-05-21 |
| 11603709 | Eccentric reaming tool | Sorin Gabriel Teodorescu, Donnie Williams, Robert Bradley Beggs, Richard Earl Beggs | 2023-03-14 |
| 11156035 | Method and apparatus for reaming well bore surfaces nearer the center of drift | Robert Bradley Beggs, Richard Earl Beggs | 2021-10-26 |
| 10508497 | Method and apparatus for reaming well bore surfaces nearer the center of drift | Robert Bradley Beggs, Richard Earl Beggs | 2019-12-17 |
| 9657526 | Method and apparatus for reaming well bore surfaces nearer the center of drift | Robert Bradley Beggs, Richard Earl Beggs | 2017-05-23 |
| 8851205 | Method and apparatus for reaming well bore surfaces nearer the center of drift | Robert Bradley Beggs, Richard Earl Beggs | 2014-10-07 |
| 8813877 | Method and apparatus for reaming well bore surfaces nearer the center of drift | Robert Bradley Beggs, Richard Earl Beggs | 2014-08-26 |
| 4660659 | Drag type drill bit | John D. Barr | 1987-04-28 |
| 4538690 | PDC cutter and bit | — | 1985-09-03 |
| 4453605 | Drill bit and method of metallurgical and mechanical holding of cutters in a drill bit | — | 1984-06-12 |