Ralph Schmidt
7Patents
4h-index
13Co-inventors
54Inventor score
Filing activity: Jul 19, 1994 → Feb 17, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5517976A | Diesel engine equipped for reducing harmful substances in its operation | Emerging Cross-Sectional Technologies | 83 | Expired |
| US5607010A | Process for cooling diesel engine exhaust gases | Emerging Cross-Sectional Technologies | 50 | Expired |
| US8826646B2 | Fluid delivery device | Emerging Cross-Sectional Technologies | 5 | Active |
| US5667145A | Injection nozzle | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6416662B1 | Water purification apparatus | Performing Operations; Transporting | 4 | Expired |
| US9845911B2 | Thermoplastic polymeric foam pipe insulation | Emerging Cross-Sectional Technologies | 0 | Active |
| US9493624B2 | Polymer foam with low bromine content | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.