Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7416029 | Downhole tool | Edward D. Scott, Rae Andrew Youngor, James Edward Atkins | 2008-08-26 |
| 7383881 | Stabiliser, jetting and circulating tool | — | 2008-06-10 |
| 7314092 | Packer | — | 2008-01-01 |
| 7191835 | Disengagable burr mill | Paul Howlett | 2007-03-20 |
| 7152686 | Downhole weight bearing apparatus and method | Paul Howlett | 2006-12-26 |
| 7121343 | Selectively operational cleaning tool | — | 2006-10-17 |
| 7096950 | Combined milling and scraping tool | Paul Howlett | 2006-08-29 |
| 7055605 | Downhole circulation valve operated by dropping balls | Paul Howlett | 2006-06-06 |
| 6896064 | Compression set packer and method of use | Paul Howlett | 2005-05-24 |
| 6609569 | Downhole fluid sampler | Paul Howlett | 2003-08-26 |
| 6453996 | Apparatus incorporating jet pump for well head cleaning | Mark Carmichael, Paul Howlett | 2002-09-24 |
| 6032734 | Activating means for a down-hole tool | — | 2000-03-07 |
| 5628366 | Protective arrangements for downhole tools | — | 1997-05-13 |
| 5129454 | Multi-string packers | — | 1992-07-14 |