Ruedi Frey
4Patents
3h-index
8Co-inventors
43Inventor score
Filing activity: Sep 26, 1990 → Jun 21, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5069886A | Process and installation for the recovery of ammonia during the separation of nitrogen oxide from waste gases | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5925165A | Process and apparatus for the 3-stage treatment of solid residues from refuse incineration plants | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5765489A | Process for the treatment of solid residue from refuse incineration plants, and apparatus for performing the process | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7595033B2 | Regeneration of nt-scr catalysts | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.