John E. Litz
16Patents
7h-index
17Co-inventors
63Inventor score
Filing activity: Jul 22, 1983 → Mar 6, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6403044B1 | Method and apparatus for stabilizing liquid elemental mercury | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4541868A | Recovery of nickel and cobalt by controlled sulfuric acid leaching | Chemistry; Metallurgy | 26 | Expired |
| US7476311B2 | Arsenic removal from aqueous media using chemically treated zeolite materials | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4548794A | Method of recovering nickel from laterite ores | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7108784B1 | Apparatus for removal and destruction of ammonia from an aqueous medium | Chemistry; Metallurgy | 16 | Expired |
| US7326348B2 | Method for removal and destruction of ammonia from an aqueous medium | Chemistry; Metallurgy | 7 | Expired |
| US4606764A | Method of recovering metals from ores using a formate reducing agent | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7105087B2 | Hexa-valent chromium removal from aqueous media using ferrous-form zeolite materials | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4541994A | Method of liberating nickel- and cobalt-enriched fines from laterite | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6730279B2 | Production of pure molybdenum oxide from low grade molybdeniteconcentrates | Chemistry; Metallurgy | 5 | Expired |
| US5354358A | Process for removing uranium and other metals from wastes | Chemistry; Metallurgy | 4 | Expired |
| US8663479B2 | Method for removing cationic contaminants from water using natural zeolite underloaded with transition metal ions to limit leakage of intrinsic arsenic therefrom | Chemistry; Metallurgy | 2 | Active |
| US9908788B1 | Radium removal from aqueous media using zeolite materials | Chemistry; Metallurgy | 1 | Active |
| US6818191B2 | Autoclave control mechanisms for pressure oxidation of molybdenite | Emerging Cross-Sectional Technologies | 1 | Expired |
| US10875787B2 | Radium removal from aqueous media using zeolite materials | Chemistry; Metallurgy | 0 | Active |
| US4814149A | Process for recovering molybdenum from solution in a form that is substantially free from vanadium | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.