David Ward
13Patents
4h-index
14Co-inventors
57Inventor score
Filing activity: Jul 31, 1984 → Jun 2, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5435148A | Apparatus for maximizing air conditioning and/or refrigeration system efficiency | Emerging Cross-Sectional Technologies | 45 | Expired |
| US9132656B2 | Consumable supply item with fluid sensing and pump enable for micro-fluid applications | Performing Operations; Transporting | 37 | Active |
| US5749237A | Refrigerant system flash gas suppressor with variable speed drive | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6076367A | Variable speed liquid refrigerant pump | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8544991B2 | Consumable supply item, fluid reservoir and recirculation system for micro-fluid applications | Performing Operations; Transporting | 4 | Active |
| US8491111B2 | Consumable supply item with capacitive fluid level detection for micro-fluid applications | Performing Operations; Transporting | 2 | Active |
| US4585088A | Articulated road vehicle with engine spaced rearwardly of driven wheels | Performing Operations; Transporting | 2 | Expired |
| US8154956B2 | Marine acoustic source operation | Physics | 1 | Active |
| US11210981B2 | Method for operating an image generator, an image generator, a method for generating digital colour image data and a display system | Physics | 0 | Active |
| US9895899B2 | Consumable supply item | Performing Operations; Transporting | 0 | Active |
| US5385033A | Apparatus for maximizing air conditioning and/or refrigeration system efficiency | General | 0 | Revoked |
| US11867585B2 | System and method of monitoring the operation of vibrating equipment | Physics | 0 | Active |
| US9919534B2 | Consumable supply item with fluid sensing and pump enable for micro-fluid applications | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.