John S. McEwan
7Patents
2h-index
13Co-inventors
48Inventor score
Filing activity: Oct 13, 1995 → Apr 28, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6609761B1 | Sodium carbonate and sodium bicarbonate production from nahcolitic oil shale | Fixed Constructions | 86 | Expired |
| US6854809B1 | Sodium carbonate and sodium bicarbonate production from nahcolitic oil shale | Fixed Constructions | 10 | Expired |
| US7128886B2 | Sodium carbonate and sodium bicarbonate production from nahcolitic oil shale | Fixed Constructions | 2 | Expired |
| US9822013B1 | Selective mining enhanced recovery process | Performing Operations; Transporting | 2 | Active |
| US7410627B2 | Sodium carbonate and sodium bicarbonate production | Fixed Constructions | 1 | Expired |
| US5621136A | Colorless, non-toxic, stabilized aqueous solution of a C1-C5 alkyl vinyl ether and maleic acid copolymer | Chemistry; Metallurgy | 0 | Expired |
| US11959369B2 | Method for solution mining and recovery of beneficial minerals | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.