Helmut Hackfort
5Patents
4h-index
4Co-inventors
46Inventor score
Filing activity: Jun 17, 1985 → Jun 20, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4668261A | Apparatus for the separation of a gas component from a gas mixture by freezeout | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US6343488B1 | Freezing a gas component in a gas mixture | Emerging Cross-Sectional Technologies | 36 | Expired |
| US7666376B2 | Diesel particulate filter comprising a finely dispersed diesel particulate catalyst | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6613293B2 | Electrically heated catalytic converter | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5861629A | Method of and device for the quantitative detection of material in a sample | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.