Jansch; Manfred
Patent Applications and Registrations
Patent applications and USPTO patent grants for Jansch; Manfred.The latest application filed is for "apparatus for retaining two strings of tubulars".
- Jansch; Manfred - Garbsen DE
| Patent | Date |
|---|---|
| Apparatus for retaining two strings of tubulars Grant 7,673,691 - Jansch March 9, 2 | 2010-03-09 |
| Apparatus For Retaining Two Strings Of Tubulars App 20070102162 - Jansch; Manfred | 2007-05-10 |
| Apparatus for retaining two strings of tubulars Grant 7,124,828 - Jansch October 24, 2 | 2006-10-24 |
| Automated pipe joining system and method Grant 7,114,235 - Jansch , et al. October 3, 2 | 2006-10-03 |
| Bushing for a drilling rig Grant 6,848,520 - Jansch February 1, 2 | 2005-02-01 |
| Automated pipe joining system App 20040049905 - Jansch, Manfred ; et al. | 2004-03-18 |
| Apparatus for retaining two strings of tubulars App 20040040701 - Jansch, Manfred | 2004-03-04 |
| Method and apparatus for testing threaded joints and threaded members Grant 6,026,675 - Jansch February 22, 2 | 2000-02-22 |
| Insert for use in slips Grant 5,451,084 - Jansch September 19, 1 | 1995-09-19 |
| Centralizers for oil well casings Grant 5,261,488 - Gullet , et al. November 16, 1 | 1993-11-16 |
| Device for conducting forces into movable objects Grant 5,221,099 - Jansch June 22, 1 | 1993-06-22 |
| Apparatus for testing connections between pieces of piping for impermeability to gases Grant 4,753,108 - Jansch June 28, 1 | 1988-06-28 |
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