David Humphrey
6Patents
3h-index
4Co-inventors
50Inventor score
Filing activity: Feb 26, 1981 → Mar 29, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7065449B2 | Method and system for evaluating geophysical survey data | Physics | 55 | Expired |
| US4676239A | Anesthetic system | Emerging Cross-Sectional Technologies | 40 | Expired |
| US7542850B2 | Method and system for synchronizing geophysical survey data | Physics | 12 | Expired |
| US4376247A | Remote current sensor | Physics | 3 | Expired |
| US7978588B2 | Optical data reading/writing with stationary dish mirror | Physics | 0 | Active |
| US11726972B2 | Directed data indexing based on conceptual relevance | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.