Frank Greizer
17Patents
6h-index
26Co-inventors
58Inventor score
Filing activity: Nov 5, 2004 → Aug 2, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7411802B2 | Method of converting a direct current voltage from a source of direct current voltage, more specifically from a photovoltaic source of direct current voltage, into a alternating current voltage | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7576449B2 | Method for converting direct voltage into three-phase alternating voltage | Emerging Cross-Sectional Technologies | 25 | Active |
| US8837098B2 | Method for limiting the generator voltage of a photovoltaic installation in case of danger and photovoltaic installation | Emerging Cross-Sectional Technologies | 12 | Active |
| US7843714B2 | Inverter, more specifically for photovoltaic plants | Emerging Cross-Sectional Technologies | 11 | Active |
| US8053930B2 | Solar power plant | Emerging Cross-Sectional Technologies | 10 | Active |
| US7924582B2 | Switching device and method, in particular for photovoltaic generators | Emerging Cross-Sectional Technologies | 9 | Active |
| US7352549B1 | Method of automatically recognizing an electrical system | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8717719B2 | Inverter, power generation system and method of operating a power generation system | Electricity | 2 | Active |
| US8482936B2 | Method of and apparatus for connecting a photovoltaic device to an AC power grid | Emerging Cross-Sectional Technologies | 2 | Active |
| US8213133B2 | Load breaker arrangement | Emerging Cross-Sectional Technologies | 2 | Active |
| USRE45453E1 | Inverter, more specifically for photovoltaic plants | General | 1 | Active |
| US9780550B2 | Protective device for a photovoltaic system | Emerging Cross-Sectional Technologies | 1 | Active |
| US9018801B2 | Photovoltaic system for feeding three-phase current into a power grid | Emerging Cross-Sectional Technologies | 1 | Active |
| US8373308B2 | Device and method for generating alternating current | Emerging Cross-Sectional Technologies | 1 | Active |
| US8194429B2 | Inverter comprising normally conductive gate-controlled semiconductor switches | Emerging Cross-Sectional Technologies | 0 | Active |
| US8570692B2 | Overvoltage protection for inverters that comprise an EMC filter at their input end | Emerging Cross-Sectional Technologies | 0 | Active |
| USRE44901E1 | Method for converting direct voltage into three phase alternating voltage | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.