Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6684737 | Power tong | Joerg Eric Schulze-Beckinghausen | 2004-02-03 |
| 6668684 | Tong for wellbore operations | John Timothy Allen, Steven Anthony Box, Jeffrey Michael Habetz | 2003-12-30 |
| 6622796 | Apparatus and method for facilitating the connection of tubulars using a top drive | — | 2003-09-23 |
| 6612184 | Method and apparatus for testing bonded tubular joints | Jimmy L. Hollingsworth | 2003-09-02 |
| 6598501 | Apparatus and a method for facilitating the connection of pipes | Joerg Eric Schulze-Beckinghausen | 2003-07-29 |
| 6527047 | Method and apparatus for connecting tubulars using a top drive | — | 2003-03-04 |
| 6412554 | Wellbore circulation system | John Timothy Allen, Steven Anthony Box, Jeffrey Michael Habetz | 2002-07-02 |
| 6360633 | Apparatus and method for aligning tubulars | — | 2002-03-26 |
| 6332377 | Gripping arrangement for gripping casing | Joerg E. Schulze-Beckinghausen, Andreas Carlsson | 2001-12-25 |
| 6327938 | Jaw unit for use in a power tong | — | 2001-12-11 |
| 6288373 | Apparatus for amorphous bonding of tubulars | Michael Jahn | 2001-09-11 |
| 6138529 | Apparatus for gripping a tubular member | — | 2000-10-31 |
| 6082224 | Power tong | Gary McDaniels, Patrick Cummings, Michael Hayes, Steven Albright, Jorg Schulze-Beckinghausen +1 more | 2000-07-04 |
| 5730471 | Apparatus for gripping a pipe | Joerg E. Schulze-Beckinghausen | 1998-03-24 |
| 5390568 | Automatic torque wrenching machine | — | 1995-02-21 |
| 5167173 | Tong | — | 1992-12-01 |
| 5161438 | Power tong | — | 1992-11-10 |
| 5159860 | Rotary for a power tong | — | 1992-11-03 |
| 4739681 | Machine for making up and breaking out pipe joints | — | 1988-04-26 |