James E. Hoffmann
7Patents
3h-index
16Co-inventors
54Inventor score
Filing activity: Jul 25, 1975 → Jul 29, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4270213A | Sequential channel selector system | Electricity | 6 | Expired |
| US3996046A | Extraction and purification of silver from sulfates | Chemistry; Metallurgy | 5 | Expired |
| US4439288A | Process for reducing Zn consumption in zinc electrolyte purification | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4421552A | Dead roast-oxide flash reduction process for copper concentrates | Chemistry; Metallurgy | 3 | Expired |
| US4208631A | Digital pulsed DC remote-control system | Electricity | 1 | Expired |
| US4367128A | Energy efficient self-regulating process for winning copper from aqueous solutions | Chemistry; Metallurgy | 0 | Expired |
| US7577245B2 | Method of detecting misrouted inter-office transport facility routes in a telecommunications system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.