David E. Burchfield
10Patents
3h-index
9Co-inventors
53Inventor score
Filing activity: Jun 30, 1993 → Apr 10, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5455423A | Gas bubble detector | Physics | 57 | Expired |
| US5465608A | Saw vapor sensor apparatus and multicomponent signal processing | Physics | 26 | Expired |
| US8754366B2 | Tandem differential mobility ion mobility spectrometer for chemical vapor detection | Physics | 6 | Expired |
| US10262845B2 | System and method for enhanced ion pump lifespan | Electricity | 3 | Active |
| US10665437B2 | System and method for enhanced ion pump lifespan | Electricity | 2 | Active |
| US11081327B2 | System and method for enhanced ion pump lifespan | Electricity | 0 | Active |
| US11742191B2 | System and method for enhanced ion pump lifespan | Electricity | 0 | Active |
| US9564290B2 | Micro machined two dimensional faraday collector grid | Electricity | 0 | Active |
| US11934166B2 | Systems and methods for managing energy and air quality | Physics | 0 | Active |
| US9057699B2 | High temperature differential ion mobility spectroscopy | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.