Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9784041 | Drilling rig riser identification apparatus | Nathan Kinert, Leon Ellison, Rheinhold Kammann, Manfred Worms, Clive Lam | 2017-10-10 |
| 8996382 | Lips blockers, headsets and systems | — | 2015-03-31 |
| 8423403 | Price guarantee methods and systems | — | 2013-04-16 |
| 8016037 | Drilling rigs with apparatus identification systems and methods | Robert Bloom, Leon Ellison, Reinhold Kammann, Manfred Worms, Clive Lam | 2011-09-13 |
| 7958715 | Chain with identification apparatus | Nathan Kinert, Leon Ellison, Reinhold Kammann, Manfred Worms, Clive Lam | 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, Manfred Worms | 2009-02-03 |
| 7159654 | Apparatus identification systems and methods | Leon P. Ellison, Reinhold Kammann, Clive Lam, Manfred Worms | 2007-01-09 |