Roland Hoffmann
8Patents
3h-index
9Co-inventors
50Inventor score
Filing activity: Feb 25, 1980 → Nov 1, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4344016A | Fluorescent lamp with silicon dioxide coating | Electricity | 12 | Expired |
| US10619376B2 | Device for attaching flexible fabrics for indoor and outdoor use in architecture | Fixed Constructions | 5 | Active |
| US5614784A | Discharge lamp, particularly cold-start fluorescent lamp, and method of its manufacture | Electricity | 3 | Expired |
| US5729081A | Electrode coil for discharge lamps and method for producing such an electrode coil | Electricity | 3 | Expired |
| US6663039B2 | Process for manufacturing an electrical-power transformer having phase windings formed from insulated conductive cabling | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7408295B2 | Mercury amalgams for elevated temperatures in discharge lamps | Chemistry; Metallurgy | 1 | Active |
| US6778060B2 | Winding for a transformer or a coil and method for producing the winding | Emerging Cross-Sectional Technologies | 0 | Expired |
| US7948182B2 | Low-pressure gas discharge lamp with a reduced argon proportion in the gas filling | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.