Frank David
9Patents
3h-index
6Co-inventors
50Inventor score
Filing activity: Apr 28, 1975 → Jan 28, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3982684A | Carton divider pad | Performing Operations; Transporting | 28 | Expired |
| US6815216B2 | Method for solid-phase microextraction and analysis, and a collector for this method | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7350427B2 | Sorbent collector material based on polyorganosiloxane | Emerging Cross-Sectional Technologies | 3 | Expired |
| US9061281B2 | System for carrying out a sample preparation | Physics | 2 | Active |
| US9927333B2 | Method for preparing a sample for chromatographic separation processes and systems for carrying out a sample preparation | Emerging Cross-Sectional Technologies | 1 | Active |
| US11901594B2 | Method for operating a fuel cell vehicle in the idling mode | Emerging Cross-Sectional Technologies | 0 | Active |
| US10801930B2 | Method for preparing a sample for chromatographic separation processes and system for carrying out a sample preparation | Emerging Cross-Sectional Technologies | 0 | Active |
| US12046784B2 | Method for reducing the carbon corrosion in a fuel cell stack, and motor vehicle | Emerging Cross-Sectional Technologies | 0 | Active |
| US11688869B2 | Method and control unit for conditioning a fuel cell stack | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.