Robert Ray
8Patents
6h-index
4Co-inventors
56Inventor score
Filing activity: Sep 8, 1975 → Oct 23, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5701750A | Zone demand controlled dual heat pump system and controller therefor | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6352601B1 | Self-adhering ice protector | Performing Operations; Transporting | 23 | Expired |
| US5544845A | Polyurethane deicer | Performing Operations; Transporting | 20 | Expired |
| US5743494A | Polyurethane deicer | Performing Operations; Transporting | 19 | Expired |
| US6439880B1 | Clear candle construction | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4514934A | Method and apparatus for abrasively machining a workpiece | Performing Operations; Transporting | 9 | Expired |
| US4024644A | Gauge for measuring the headspace in a container | Physics | 2 | Expired |
| US12025160B2 | Hydraulic cylinder piston rod protection system | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.