Issued Patents All Time
Showing 51–75 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7159663 | Hybrid wellhead system and method of use | Bob McGuire | 2007-01-09 |
| 7159652 | Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use | Bob McGuire | 2007-01-09 |
| 7125055 | Metal ring gasket for a threaded union | — | 2006-10-24 |
| 7066269 | Casing mandrel with well stimulation tool and tubing head spool for use with the casing mandrel | Bob McGuire | 2006-06-27 |
| 7055632 | Well stimulation tool and method for inserting a backpressure plug through a mandrel of the tool | — | 2006-06-06 |
| 7040410 | Adapters for double-locking casing mandrel and method of using same | Bob McGuire | 2006-05-09 |
| 7032677 | Multi-lock adapters for independent screwed wellheads and methods of using same | Bob McGuire | 2006-04-25 |
| 6948565 | Slip spool and method of using same | — | 2005-09-27 |
| 6938696 | Backpressure adapter pin and methods of use | — | 2005-09-06 |
| 6918441 | Cup tool for high pressure mandrel | — | 2005-07-19 |
| 6918439 | Backpressure adaptor pin and methods of use | — | 2005-07-19 |
| 6827147 | Reciprocating lubricator | — | 2004-12-07 |
| 6817421 | Blowout preventer protector and method of using same | — | 2004-11-16 |
| 6817423 | Wall stimulation tool and method of using same | — | 2004-11-16 |
| 6769489 | Well stimulation tool and method of using same | — | 2004-08-03 |
| 6712147 | Spool for pressure containment used in rigless well completion, re-completion, servicing or workover | — | 2004-03-30 |
| 6695064 | Slip spool and method of using same | — | 2004-02-24 |
| 6595297 | Method and apparatus for inserting a tubing hanger into a live well | — | 2003-07-22 |
| 6516891 | Dual string coil tubing injector assembly | — | 2003-02-11 |
| 6510900 | Seal assembly for dual string coil tubing injection and method of use | — | 2003-01-28 |
| 6491098 | Method and apparatus for perforating and stimulating oil wells | — | 2002-12-10 |
| 6364024 | Blowout preventer protector and method of using same | — | 2002-04-02 |
| 6289993 | Blowout preventer protector and setting tool | — | 2001-09-18 |
| 6247537 | High pressure fluid seal for sealing against a bit guide in a wellhead and method of using | — | 2001-06-19 |
| 6234253 | Method and apparatus for well workover or servicing | — | 2001-05-22 |