Donald J. Kasprzyk
37Patents
12h-index
40Co-inventors
81Inventor score
Filing activity: Apr 9, 1981 → Aug 22, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8165726B2 | Water heater energy savings algorithm for reducing cold water complaints | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US8899264B2 | Gas valve with electronic proof of closure system | Emerging Cross-Sectional Technologies | 19 | Active |
| US8839815B2 | Gas valve with electronic cycle counter | Emerging Cross-Sectional Technologies | 18 | Active |
| US8905063B2 | Gas valve with fuel rate monitor | Emerging Cross-Sectional Technologies | 17 | Active |
| US9234661B2 | Burner control system | Mechanical Engineering; Lighting; Heating | 16 | Active |
| US9074770B2 | Gas valve with electronic valve proving system | Emerging Cross-Sectional Technologies | 15 | Active |
| US7314370B2 | Automated operation check for standing valve | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US8947242B2 | Gas valve with valve leakage test | Emerging Cross-Sectional Technologies | 15 | Active |
| US9657946B2 | Burner control system | Mechanical Engineering; Lighting; Heating | 13 | Active |
| US8512034B2 | Gas pilot burner assembly | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US8235064B2 | Single coil redundant valve | Emerging Cross-Sectional Technologies | 12 | Active |
| US9645584B2 | Gas valve with electronic health monitoring | Emerging Cross-Sectional Technologies | 12 | Active |
| US6923204B2 | Diaphragm-operated fluid flow control valve providing a plurality of flow levels | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4390859A | Electric thermostat with adjusting knob | Emerging Cross-Sectional Technologies | 10 | Expired |
| US8636503B2 | Pilot burner | Emerging Cross-Sectional Technologies | 8 | Active |
| US9995486B2 | Gas valve with high/low gas pressure detection | Emerging Cross-Sectional Technologies | 7 | Active |
| USD755927S1 | Valve control module | General | 6 | Active |
| US9851103B2 | Gas valve with overpressure diagnostics | Emerging Cross-Sectional Technologies | 6 | Active |
| US9885484B2 | Multi-tank water heater systems | Emerging Cross-Sectional Technologies | 5 | Active |
| US4394708A | Electronic thermostat with protected circuitry | Electricity | 5 | Expired |
| US10088852B2 | Multi-tank water heater systems | Emerging Cross-Sectional Technologies | 5 | Active |
| US9303869B2 | Gas pilot burner assembly | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US4690324A | Oil burner control for hydronic system | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US5176037A | Linear actuator with controllable output force | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9846440B2 | Valve controller configured to estimate fuel comsumption | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.