James E. Etzel
9Patents
7h-index
6Co-inventors
52Inventor score
Filing activity: Dec 22, 1976 → Jun 7, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4343706A | Method of removing heavy metals from industrial waste streams | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5591346A | Water treatment process | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4207397A | Method for recovering and treating brine from water softener regeneration | Performing Operations; Transporting | 23 | Expired |
| US4210530A | Treatment of metal plating wastes with an unexpanded vermiculite cation exchange column | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4314905A | Columnar fine mesh magnetized ion exchange resin system | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5453201A | Water treatment process | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4100065A | Method for removing of multivalent heavy metals from metal plating waste effluents | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4288430A | Disinfectant chlorinated cyanurate containing compositions and method of use | Performing Operations; Transporting | 7 | Expired |
| US4387021A | System for handling exhausted vermiculite cation exchange materials | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.