Issued Patents All Time
Showing 51–75 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7210240 | Posture and body movement measuring system | Christopher P. Townsend | 2007-05-01 |
| 7170201 | Energy harvesting for wireless sensor operation and data transmission | Michael John Hamel, Christopher P. Townsend, David L. Churchill | 2007-01-30 |
| 7143004 | Solid state orientation sensor with 360 degree measurement capability | Christopher P. Townsend | 2006-11-28 |
| 7081693 | Energy harvesting for wireless sensor operation and data transmission | Michael John Hamel, Christopher P. Townsend, David L. Churchill | 2006-07-25 |
| 7061229 | Circuit for compensating for time variation of temperature in an inductive sensor | Christopher P. Townsend | 2006-06-13 |
| 7011410 | Method and apparatus for monitoring eye tremor | Ciaran Bolger, Christopher P. Townsend, Kurt R. Smith | 2006-03-14 |
| 6901654 | Method of fabricating a coil and clamp for variable reluctance transducer | Michael John Hamel, Steven W. Mundell, Christophor Pruyn Townsend | 2005-06-07 |
| 6871413 | Miniaturized inclinometer for angle measurement with accurate measurement indicator | Christopher P. Townsend | 2005-03-29 |
| 6834436 | Posture and body movement measuring system | Christopher P. Townsend | 2004-12-28 |
| 6828779 | Circuit for compensating for time variation of temperature in an inductive sensor | Christopher P. Townsend | 2004-12-07 |
| 6714763 | Micropower differential sensor measurement | Michael John Hamel, Christopher P. Townsend | 2004-03-30 |
| 6622567 | Micropower peak strain detection system for remote interrogation | Michael John Hamel, Christopher P. Townsend | 2003-09-23 |
| 6588282 | Peak strain detection linear displacement sensor system for smart structures | — | 2003-07-08 |
| 6529127 | System for remote powering and communication with a network of addressable, multichannel sensing modules | Christopher P. Townsend | 2003-03-04 |
| 6499368 | Miniaturized pressure equalized displacement sensor assembly | Christopher P. Townsend, Steven W. Mundell | 2002-12-31 |
| 6433629 | Micropower differential sensor measurement | Michael John Hamel, Christopher P. Townsend | 2002-08-13 |
| 5914593 | Temperature gradient compensation circuit | Christopher P. Townsend | 1999-06-22 |
| 5887351 | Inclined plate 360 degree absolute angle sensor | Christopher P. Townsend, Steven W. Mundell | 1999-03-30 |
| 5777467 | Miniaturized displacement transducer assembly | Christopher P. Townsend | 1998-07-07 |
| 5497147 | Differential variable reluctance transducer | Christopher P. Townsend | 1996-03-05 |
| 5083573 | Method of and means for implanting a pressure and force sensing apparatus | — | 1992-01-28 |
| 4993428 | Method of and means for implanting a pressure and force sensing apparatus | — | 1991-02-19 |
| 4964862 | Method of and means for measuring ligament tension | — | 1990-10-23 |
| 4813435 | Implantable displacement sensor means | — | 1989-03-21 |
| 4773910 | Permanent ligament prosthesis | Elizabeth H. Chen, Alastair J. T. Clemow, Malcolm H. Pope, Per Renstrom | 1988-09-27 |