Willy Herrmann
4Patents
4h-index
2Co-inventors
33Inventor score
Filing activity: Apr 29, 1980 → Feb 16, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4500030A | Flange weld technique | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4545605A | Welded tube and flange, e.g., for exhaust manifold | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4294699A | Apparatus for purifying a liquid by ion-exchange | Performing Operations; Transporting | 7 | Expired |
| US4452705A | Filter device for the softening and/or complete desalination of a liquid, particularly water | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.