Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9995105 | Method of placing cement sealing rings at predetermined annular locations around a tubular string | Troy Miller | 2018-06-12 |
| 7730940 | Split body swelling packer | Mark J. Knebel, Edward T. Wood, Larry D. Johnson | 2010-06-08 |