Issued Patents All Time
Showing 26–50 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7513300 | Casing running and drilling system | Thomas F. Bailey, Adrian Vuyk, Jr., Carl J. Wilson | 2009-04-07 |
| 7451826 | Apparatus for connecting tubulars using a top drive | — | 2008-11-18 |
| 7353880 | Method and apparatus for connecting tubulars using a top drive | — | 2008-04-08 |
| 7284617 | Casing running head | — | 2007-10-23 |
| 7219744 | Method and apparatus for connecting tubulars using a top drive | — | 2007-05-22 |
| 7213656 | Apparatus and method for facilitating the connection of tubulars using a top drive | — | 2007-05-08 |
| 7191840 | Casing running and drilling system | Thomas F. Bailey, Adrian Vuyk, Jr., Carl J. Wilson | 2007-03-20 |
| 7140445 | Method and apparatus for drilling with casing | David Shahin, Jeff Habetz, David M. Haugen, Gary Thompson, Jimmy L. Hollingsworth +1 more | 2006-11-28 |
| 7137454 | Apparatus for facilitating the connection of tubulars using a top drive | — | 2006-11-21 |
| 7128161 | Apparatus and methods for facilitating the connection of tubulars using a top drive | — | 2006-10-31 |
| 7090021 | Apparatus for connecting tublars using a top drive | — | 2006-08-15 |
| 7090254 | Apparatus and method aligning tubulars | Martin Liess | 2006-08-15 |
| 7086461 | Combined grip control of elevator and spider slips | Joerg E. Schulze-Beckinghausen | 2006-08-08 |
| 7028585 | Wrenching tong | Andreas Carlsson, Jorg Erich Schulze-Beckinhausen | 2006-04-18 |
| 7028787 | Tong for wellbore operations | John Timothy Allen, Steven Anthony Box, Jeffrey Michael Habetz | 2006-04-18 |
| 7021374 | Method and apparatus for connecting tubulars using a top drive | — | 2006-04-04 |
| 7004259 | Apparatus and method for facilitating the connection of tubulars using a top drive | — | 2006-02-28 |
| 6976298 | Methods and apparatus for connecting tubulars using a top drive | — | 2005-12-20 |
| 6814149 | Apparatus and method for positioning a tubular relative to a tong | Martin Liess, Jorg Schulze-Beckinghausen, Andreas Carlsson | 2004-11-09 |
| 6748823 | Apparatus and method for aligning tubulars | — | 2004-06-15 |
| 6745646 | Apparatus and method for facilitating the connection of pipes | Joerg E. Schulze-Beckinghausen | 2004-06-08 |
| 6725938 | Apparatus and method for facilitating the connection of tubulars using a top drive | — | 2004-04-27 |
| 6705405 | Apparatus and method for connecting tubulars using a top drive | — | 2004-03-16 |
| 6695559 | Apparatus for delivering a tubular to a wellbore | — | 2004-02-24 |
| 6688398 | Method and apparatus for connecting tubulars using a top drive | — | 2004-02-10 |