Joseph Friedman
9Patents
7h-index
16Co-inventors
60Inventor score
Filing activity: Nov 1, 1976 → Nov 30, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4597776A | Hydropyrolysis process | Emerging Cross-Sectional Technologies | 131 | Expired |
| US4124061A | Thermal energy storage unit | Emerging Cross-Sectional Technologies | 105 | Expired |
| US4146057A | Thermal buffer system | Mechanical Engineering; Lighting; Heating | 62 | Expired |
| US4256565A | Method of producing olefins from hydrocarbons | Chemistry; Metallurgy | 25 | Expired |
| US7280666B2 | Moveable device component with acoustic porting | Electricity | 11 | Expired |
| US4206032A | Hydrogenation of carbonaceous materials | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4418683A | Separated phase thermal storage system | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7801571B2 | Multi-use acoustic leak path system | Electricity | 5 | Active |
| US4275034A | Hydrogenation apparatus | Performing Operations; Transporting | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.