Issued Patents All Time
Showing 25 most recent of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9765815 | Method and apparatus for hybrid suspension system | — | 2017-09-19 |
| 9721710 | Axial magnetic suspension | Roger Fincher | 2017-08-01 |
| 8941278 | Method and apparatus for hybrid suspension system | — | 2015-01-27 |
| 8803392 | Axial magnetic suspension | Roger Fincher | 2014-08-12 |
| 8535126 | Air flow control mechanism and methods | Roger Fincher | 2013-09-17 |
| 8348732 | Airflow control system | Roger Fincher | 2013-01-08 |
| 8284075 | Apparatus and methods for self-powered communication and sensor network | Roger Fincher, Larry Watkins, Randy Gold | 2012-10-09 |
| 8132630 | Reverse circulation pressure control method and system | Sven Krueger, Volker Krueger, Jens-Uwe Bruns, Roger Fincher, Larry Watkins +1 more | 2012-03-13 |
| 8134476 | Apparatus and methods for self-powered communication and sensor network | Roland E. Chemali, Volker Krueger, Roger Fincher, Larry Watkins | 2012-03-13 |
| 8011450 | Active bottomhole pressure control with liner drilling and completion systems | Sven Krueger, Gerald Heisig, Detlef Hahn, Volker Krueger, Harald Grimmer +2 more | 2011-09-06 |
| 7931098 | Steerable bit system assembly and methods | Roger Fincher, Larry Watkins | 2011-04-26 |
| 7823689 | Closed-loop downhole resonant source | Larry Watkins, Roger Fincher, James Edward Goodson, Michael A. Carmody | 2010-11-02 |
| 7806203 | Active controlled bottomhole pressure system and method with continuous circulation system | Sven Krueger, Volker Krueger, Harald Grimmer, Roger Fincher, Larry Watkins | 2010-10-05 |
| 7802637 | Steerable bit system assembly and methods | Roger Fincher, Larry Watkins | 2010-09-28 |
| 7748474 | Active vibration control for subterranean drilling operations | Larry Watkins, Roger Fincher | 2010-07-06 |
| 7730970 | Drilling efficiency through beneficial management of rock stress levels via controlled oscillations of subterranean cutting levels | Roger Fincher, Larry Watkins, Allen Sinor, John L. Baugh | 2010-06-08 |
| 7721822 | Control systems and methods for real-time downhole pressure management (ECD control) | Sven Krueger, Volker Krueger, Harald Grimmer, Roger Fincher, Larry Watkins +1 more | 2010-05-25 |
| 7487828 | Apparatus and method for powering electrical devices along a pipeline | Roger Fincher, Larry Watkins | 2009-02-10 |
| 7400262 | Apparatus and methods for self-powered communication and sensor network | Roland E. Chemali, Volker Krueger, Roger Fincher, Larry Watkins | 2008-07-15 |
| 7353887 | Control systems and methods for active controlled bottomhole pressure systems | Sven Krueger, Volker Krueger, Harald Grimmer, Larry Watkins, Peter Fontana +1 more | 2008-04-08 |
| 7347774 | Remote autonomous intelligent air flow control system and network | Charles Saron Knobloch | 2008-03-25 |
| 7341116 | Drilling efficiency through beneficial management of rock stress levels via controlled oscillations of subterranean cutting elements | Roger Fincher, Larry Watkins, Allen Sinor, John L. Baugh | 2008-03-11 |
| 7313052 | System and methods of communicating over noisy communication channels | Roger Fincher, Larry Watkins | 2007-12-25 |
| 7287604 | Steerable bit assembly and methods | Roger Fincher, Larry Watkins | 2007-10-30 |
| 7270185 | Drilling system and method for controlling equivalent circulating density during drilling of wellbores | Peter Fontana, Larry Watkins | 2007-09-18 |