Werner Specht
13Patents
6h-index
7Co-inventors
55Inventor score
Filing activity: Feb 7, 1990 → Jan 9, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6109255A | Apparatus and method for modulating the firing rate of furnace burners | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US7494337B2 | Apparatus and method for providing multiple stages of fuel | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US6938688B2 | Compact high efficiency clam shell heat exchanger | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5080579A | Apparatus for preheating waste oil | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6334439B1 | Tubular heat exchanger for infrared heater | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6889686B2 | One shot heat exchanger burner | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US7726386B2 | Burner port shield | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US5421774A | Exhaust vent adapter for use with multiple heating units | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US7802984B2 | System and method for combustion-air modulation of a gas-fired heating system | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US5058512A | Waste oil delivery system | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US8113269B2 | Multi-channel heat exchanger | Mechanical Engineering; Lighting; Heating | 0 | Active |
| USRE34826E | Waste oil delivery system | General | 0 | Expired |
| US7744366B2 | System and method for improving the thermal efficiency of a heating system | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.