Mark Hellmann
6Patents
1h-index
5Co-inventors
36Inventor score
Filing activity: Sep 16, 2014 → Jul 15, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9859578B2 | Fuel cell assembly and method for operating a fuel cell assembly | Emerging Cross-Sectional Technologies | 1 | Active |
| US11804612B2 | Method for operating a fuel cell system, control device, and fuel cell system | Emerging Cross-Sectional Technologies | 0 | Active |
| US12051832B2 | Fuel cell system with two fuel cell units which can be operated independently from each other | Emerging Cross-Sectional Technologies | 0 | Active |
| US12222071B2 | Compressed gas storage unit, and vehicle comprising a compressed gas storage unit | Emerging Cross-Sectional Technologies | 0 | Active |
| US11473583B2 | Turbo compressor, in particular for a fuel cell system | Emerging Cross-Sectional Technologies | 0 | Active |
| US11289720B2 | Fuel cell having a variable water permeability | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.