David A. Hassell
14Patents
11h-index
5Co-inventors
61Inventor score
Filing activity: Apr 2, 1976 → Oct 19, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4658988A | Multiple flavor post-mix beverage dispensing apparatus | Emerging Cross-Sectional Technologies | 105 | Expired |
| US5193718A | Quick electronic disconnect for a beverage dispensing valve | Emerging Cross-Sectional Technologies | 95 | Expired |
| US5156301A | Constant ratio post-mix beverage dispensing valve | Emerging Cross-Sectional Technologies | 95 | Expired |
| USRE35780E | Constant ratio post-mix beverage dispensing valve | General | 90 | Expired |
| US5524452A | Beverage dispenser having an L-shaped cold plate with integral carbonator | Performing Operations; Transporting | 48 | Expired |
| US4972883A | Method and apparatus for dispensing beverage with automatic shut-off in response to a probe sensed beverage level | Performing Operations; Transporting | 40 | Expired |
| US5249710A | Beverage dispenser having cold plate with evaporative cooling | Performing Operations; Transporting | 33 | Expired |
| US4979647A | Method and apparatus for cooling and dispensing beverage | Performing Operations; Transporting | 29 | Expired |
| US4191881A | Food oven | Human Necessities | 23 | Expired |
| US4164591A | Method of heating a food article | Human Necessities | 23 | Expired |
| US4111222A | Adjustment limiter in a compressed gas pressure regulator | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5163298A | Electronic ice bank control | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4072093A | Rotary food oven | Human Necessities | 7 | Expired |
| US4059398A | Food oven | Human Necessities | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.