Frank Kern
10Patents
3h-index
13Co-inventors
53Inventor score
Filing activity: Jul 28, 2005 → Jan 26, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD764656S1 | Compact mask with changeable filters | General | 19 | Active |
| US8910663B2 | Uni-directional valve, filtering face mask | Emerging Cross-Sectional Technologies | 7 | Active |
| US9089722B2 | Filter cartridge, filtering face mask and method for manufacturing | Emerging Cross-Sectional Technologies | 4 | Active |
| US9950199B2 | Respirator mask | Human Necessities | 3 | Active |
| US9314056B2 | Breathing mask | Human Necessities | 3 | Active |
| US7818595B2 | Method, system, and apparatus for dynamic clock adjustment | Physics | 2 | Active |
| US8412923B2 | Multi-mode pin usage in a power supply control integrated circuit | Emerging Cross-Sectional Technologies | 1 | Active |
| US8613801B2 | Sinterable semi-coke powder with high bulk density | Emerging Cross-Sectional Technologies | 0 | Active |
| US9352871B2 | Bale wire cutter | Emerging Cross-Sectional Technologies | 0 | Active |
| US8065543B2 | Method, system, and apparatus for dynamic clock adjustment | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.