David B. Needham
9Patents
5h-index
9Co-inventors
56Inventor score
Filing activity: Sep 19, 1988 → Feb 12, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5167021A | Multimedia interface device and method | Physics | 34 | Expired |
| USD530016S1 | Leg splint | General | 28 | Expired |
| US7305158B2 | Interferometric signal conditioner for measurement of absolute static displacements and dynamic displacements of a Fabry-Perot interferometer | Physics | 12 | Expired |
| US7152174B2 | Method and apparatus for operating a server system including determining the power supplied by one of a plurality of power supplies by measuring voltage on a load share signal line | Physics | 6 | Expired |
| US8115937B2 | Methods and apparatus for measuring multiple Fabry-Perot gaps | Physics | 6 | Active |
| US7684051B2 | Fiber optic seismic sensor based on MEMS cantilever | Physics | 3 | Active |
| US7639368B2 | Tracking algorithm for linear array signal processor for Fabry-Perot cross-correlation pattern and method of using same | Physics | 1 | Active |
| US10597997B2 | Well tool pressure testing | Physics | 0 | Active |
| US11118444B2 | Well tool pressure testing | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.