Rolf Brand
10Patents
5h-index
11Co-inventors
63Inventor score
Filing activity: Jan 21, 1980 → Dec 10, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4281518A | Method and apparatus for separating particular components of a gas mixture | Emerging Cross-Sectional Technologies | 53 | Expired |
| US5384208A | Cell structure for electrolyzer units and fuel cells | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7314539B2 | Pressure electrolyzer and method for operating one such electrolyzer | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4579301A | Pilot module | Performing Operations; Transporting | 8 | Expired |
| US4611774A | Propeller drive assembly | Performing Operations; Transporting | 7 | Expired |
| US4382566A | Lightweight aircraft | Performing Operations; Transporting | 4 | Expired |
| US4662582A | Lightweight aircraft | Performing Operations; Transporting | 2 | Expired |
| US4500053A | Propeller and engine mounting device | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7285192B2 | Pressure electrolyzer and method for switching off a pressure electrolyzer | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4560119A | Lightweight aircraft | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.