Stephen E. Petty
10Patents
8h-index
10Co-inventors
61Inventor score
Filing activity: Feb 9, 1990 → Mar 25, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5339654A | Heat transfer apparatus | Emerging Cross-Sectional Technologies | 52 | Expired |
| US6109339A | Heating system | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US5546760A | Generator for absorption heat pumps | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5533362A | Heat transfer apparatus for heat pumps | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5636527A | Enhanced fluid-liquid contact | Performing Operations; Transporting | 13 | Expired |
| US5067330A | Heat transfer apparatus for heat pumps | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5769033A | Hot water storage | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4972679A | Absorption refrigeration and heat pump system with defrost | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6649062B1 | Fluid-membrane separation | Performing Operations; Transporting | 8 | Expired |
| USRE34747E | Absorption refrigeration and heat pump system with defrost | General | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.