Robert T. Topper
14Patents
10h-index
11Co-inventors
69Inventor score
Filing activity: Apr 5, 1976 → Dec 20, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5227027A | High efficiency water distillation apparatus using a heat pump system and process for use thereof | Emerging Cross-Sectional Technologies | 63 | Expired |
| US5494194A | Viscous material dispenser | Emerging Cross-Sectional Technologies | 43 | Expired |
| USD440432S | Modular merchandiser | General | 35 | Expired |
| US6094934A | Freezer | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US6205800A | Microprocessor controlled demand defrost for a cooled enclosure | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| USD438404S | Modular merchandiser | General | 19 | Expired |
| US6547346B2 | Dipping cabinet with improved service door | Human Necessities | 16 | Expired |
| US5553756A | Dispenser with pressure operated, spring biased, reciprocating piston valve | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6438983B1 | Dipping cabinet with improved lighting | Human Necessities | 11 | Expired |
| US5556268A | Reciprocating pump with cooperating piston shearing portions | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6427468B1 | Frost shield for refrigerated cabinet | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US3996793A | Pressure control test apparatus | Physics | 7 | Expired |
| US5974818A | Low temperature static display | Human Necessities | 6 | Expired |
| US6272875A | Glass dipping cabinet | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.