David Call
9Patents
6h-index
11Co-inventors
60Inventor score
Filing activity: May 9, 1977 → Nov 12, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5347285A | Method and apparatus for tracking the position and velocity of airborne instrumentation | Physics | 38 | Expired |
| US4907449A | Meteorological data encoder for measuring atmospheric conditions | Physics | 16 | Expired |
| US4112753A | Meteorological measuring apparatus | Physics | 12 | Expired |
| US7302962B2 | Vehicle pressure relief valve having peripherally secured flaps and method of manufacturing the same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5345821A | Relative humidity sensing apparatus | Physics | 11 | Expired |
| US7182093B2 | Vehicle pressure relief valve having centrally secured flaps and method of manufacturing the same | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4543836A | Modular cup-type anemometer | Physics | 6 | Expired |
| US5494133A | Controlled weight-lowering device | Human Necessities | 5 | Expired |
| US6840529B2 | Articulated pickup truck camper/trailer | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.