Issued Patents All Time
Showing 26–50 of 134 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8547789 | Method for gas zone detection using sonic wave attributes | Alain Dumont, Pierre Campanac, David Johnson | 2013-10-01 |
| 8238194 | Methods and systems for compressing sonic log data | Pierre Campanac, Shu-Kong Chang, James Thompson, Anshuman Sinha | 2012-08-07 |
| 7764572 | Methods and systems for acoustic waveform processing | Jahir Pabon | 2010-07-27 |
| 7668043 | Methods and systems for sonic log processing | — | 2010-02-23 |
| 7639563 | Method for sonic indication of voids in casing cement | Alain Dumont, Pierre Campanac | 2009-12-29 |
| 7516015 | System and method for detection of near-wellbore alteration using acoustic data | Bikash K. Sinha, James Thompson | 2009-04-07 |
| 7364537 | Wind resistance mechanism for an exercise apparatus | Leao Wang | 2008-04-29 |
| 7334651 | Kick warning system using high frequency fluid mode in a borehole | — | 2008-02-26 |
| 7267636 | Structure of rocker arms with optical sensing control for an exercise apparatus | Leao Wang | 2007-09-11 |
| 7252624 | Regulating apparatus for a hydraulic cylinder of a treadmill | Leao Wang | 2007-08-07 |
| 7251566 | Pump off measurements for quality control and wellbore stability prediction | Andrew Hawthorn, Tom R. Bratton, Bikash K. Sinha | 2007-07-31 |
| 7229387 | Apparatus for diverting static electricity away from a treadmill | Leao Wang | 2007-06-12 |
| 7229386 | Oval-tracked exercise apparatus | Leao Wang | 2007-06-12 |
| 7041039 | Interactive boxing trainer | Leao Wang | 2006-05-09 |
| 6967904 | Electronic watch for sports apparatus | Leao Wang | 2005-11-22 |
| 6957572 | Apparatus and methods for measuring mud slowness in a borehole | — | 2005-10-25 |
| 6955632 | Oval-tracked exercise apparatus for simulating hand-movement | Leao Wang | 2005-10-18 |
| 6953419 | Displacement detector of a platform for an exercise apparatus | Leao Wang | 2005-10-11 |
| 6875157 | Emergency switch for an exercise apparatus | Leao Wang | 2005-04-05 |
| 6872172 | Interactive boxing trainer | Leao Wang | 2005-03-29 |
| 6872168 | Shock absorption structure for a treadmill | Leao Wang | 2005-03-29 |
| 6832159 | Intelligent diagnosis of environmental influence on well logs with model-based inversion | Jan W. Smits, Qiming Li, Cheng Bing Liu | 2004-12-14 |
| 6824499 | Control console automatically planning a personal exercise program in accordance with the physical condition measured through the whole exercise session | Leao Wang | 2004-11-30 |
| 6824503 | Crank and base of a treading exercise apparatus | Leao Wang | 2004-11-30 |
| 6821232 | Cushioning unit for an oval-tracked exercise device | Leao Wang | 2004-11-23 |