Christopher P. Townsend
37Patents
27h-index
8Co-inventors
74Inventor score
Filing activity: Jun 21, 1993 → Apr 8, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7256695B2 | Remotely powered and remotely interrogated wireless digital sensor telemetry system | Human Necessities | 1,570 | Expired |
| US6834436B2 | Posture and body movement measuring system | Human Necessities | 274 | Expired |
| US7478108B2 | Data collection using sensing units and separate control units with all power derived from the control units | Emerging Cross-Sectional Technologies | 223 | Expired |
| US7698830B2 | Posture and body movement measuring system | Human Necessities | 214 | Active |
| US7081693B2 | Energy harvesting for wireless sensor operation and data transmission | Electricity | 191 | Expired |
| US7860680B2 | Robotic system for powering and interrogating sensors | Emerging Cross-Sectional Technologies | 166 | Active |
| US6529127B2 | System for remote powering and communication with a network of addressable, multichannel sensing modules | Physics | 160 | Expired |
| US7210240B2 | Posture and body movement measuring system | Human Necessities | 154 | Expired |
| US7256505B2 | Shaft mounted energy harvesting for wireless sensor operation and data transmission | Electricity | 128 | Expired |
| US7170201B2 | Energy harvesting for wireless sensor operation and data transmission | Electricity | 96 | Expired |
| US7143004B2 | Solid state orientation sensor with 360 degree measurement capability | Physics | 87 | Expired |
| US7429805B2 | Energy harvesting for wireless sensor operation and data transmission | Electricity | 84 | Expired |
| US5497147A | Differential variable reluctance transducer | Physics | 67 | Expired |
| US7361998B2 | Energy harvesting for wireless sensor operation and data transmission | Electricity | 65 | Expired |
| US7365455B2 | Energy harvesting for wireless sensor operation and data transmission | Electricity | 61 | Expired |
| US6871413B1 | Miniaturized inclinometer for angle measurement with accurate measurement indicator | Human Necessities | 52 | Expired |
| US8011255B2 | Shaft mounted energy harvesting for wireless sensor operation and data transmission | Electricity | 51 | Active |
| US7786867B2 | Remotely powered and remotely interrogated wireless digital sensor telemetry system | Human Necessities | 43 | Active |
| US7747415B1 | Sensor powered event logger | Physics | 42 | Active |
| US5777467A | Miniaturized displacement transducer assembly | Physics | 41 | Expired |
| US7639135B2 | Identifying substantially related objects in a wireless sensor network | Physics | 41 | Active |
| US7433798B2 | Solid state orientation sensor with 360 degree measurement capability | Physics | 38 | Active |
| US8024980B2 | Independently calibrated wireless structural load sensor | Physics | 36 | Active |
| US7668667B2 | Miniature stimulating and sensing system | Physics | 33 | Expired |
| US7461560B2 | Strain gauge with moisture barrier and self-testing circuit | Physics | 31 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.