Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7743829 | Cement flow control tool | Ian Kirk, William Barron | 2010-06-29 |
| 7694733 | Centralizer | Ian Kirk, William Barron | 2010-04-13 |
| 7096939 | Slotted expandable centraliser | Ian Kirk, William Barron | 2006-08-29 |
| 6830102 | Centraliser | Ian Kirk, William Barron | 2004-12-14 |
| 6435275 | Casing centralizer | Ian Kirk, William Barron | 2002-08-20 |
| 6006830 | Casing centraliser | William Barron, Ian Kirk | 1999-12-28 |
| 5797455 | Casing centraliser | William Barron, Ian Kirk | 1998-08-25 |