David A. Risk
5Patents
3h-index
13Co-inventors
50Inventor score
Filing activity: May 18, 2006 → Dec 1, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7520186B2 | Apparatus and method for measuring soil gases | Physics | 8 | Active |
| US9891166B2 | Fiber optic sensor for measurement of carbon dioxide | Physics | 6 | Active |
| US8681336B2 | System and method for determining flux of isotopologues | Physics | 4 | Active |
| US8712692B2 | Method of measuring the flux of a soil gas | Physics | 3 | Active |
| US10203311B2 | Gas emission detection device, system and method | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.