Richard A. Erth
8Patents
8h-index
4Co-inventors
62Inventor score
Filing activity: Jul 18, 1977 → Jul 14, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4151725A | Control system for regulating large capacity rotating machinery | Emerging Cross-Sectional Technologies | 132 | Expired |
| US4282718A | Evaporator inlet water temperature control system | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4546618A | Capacity control systems for inverter-driven centrifugal compressor based water chillers | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4182137A | Liquid cooling system for hermetically sealed electric motor | Electricity | 25 | Expired |
| US4282719A | Control system for regulating large capacity rotating machinery | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4351160A | Capacity control systems for screw compressor based water chillers | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6317895A | Safety helmet assembly | Human Necessities | 14 | Expired |
| US4317074A | Inverter-motor system with different control characteristics for inverter voltage and frequency | Electricity | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.