Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9784041 | Drilling rig riser identification apparatus | Nathan Kinert, Leon Ellison, Rheinhold Kammann, Clive Lam, Guy L. McClung, III | 2017-10-10 |
| 8016037 | Drilling rigs with apparatus identification systems and methods | Robert Bloom, Leon Ellison, Reinhold Kammann, Clive Lam, Guy L. McClung, III | 2011-09-13 |
| 7958715 | Chain with identification apparatus | Nathan Kinert, Leon Ellison, Reinhold Kammann, Clive Lam, Guy L. McClung, III | 2011-06-14 |
| 7946356 | Systems and methods for monitored drilling | William L. Koederitz, Michael Porche, Graham Watson, Aaron C. Cooke, Leon Ellison +3 more | 2011-05-24 |
| 7484625 | Shale shakers and screens with identification apparatuses | Eric Scott, Leon Ellison, Reinhold Kammann, Clive Lam, Guy L. McClung, III | 2009-02-03 |
| 7159654 | Apparatus identification systems and methods | Leon P. Ellison, Reinhold Kammann, Clive Lam, Guy L. McClung, III | 2007-01-09 |
| 6931748 | Riser and tubular inspection systems | Clive Lam, Helmut Knapwost, Bernd Helmut Dobberstein, Reinhold Kammann, Matthias Janssen | 2005-08-23 |
| 6862099 | Tubular ovality testing | Clive Lam, Helmut Knapwost, Bernd Helmut Dobberstein | 2005-03-01 |
| 5442287 | Method and apparatus for detecting magnetic discontinuities by inducing a magnetic field in a magnetizable sample | Reinhold Kammann, Helmut Knapwost, Helgo Deeg | 1995-08-15 |