Richard E. Siemens
3Patents
2h-index
4Co-inventors
30Inventor score
Filing activity: Mar 22, 1976 → Feb 28, 1980
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4258016A | Process for recovering Ni (II), Cu (II) and Co (II) from an ammoniacal-ammonium sulfate leach liquor | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4231866A | Recovery of organic and aqueous phases from solvent extraction emulsions | Performing Operations; Transporting | 5 | Expired |
| US3985556A | Reduction of laterite ores | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.