Helmut Holleck
7Patents
4h-index
6Co-inventors
50Inventor score
Filing activity: Apr 1, 1981 → Aug 6, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4835062A | Protective coating for metallic substrates | Chemistry; Metallurgy | 31 | Expired |
| US4432794A | Hard alloy comprising one or more hard phases and a binary or multicomponent binder metal alloy | Chemistry; Metallurgy | 24 | Expired |
| US6110329A | Method of manufacturing a composite material | Chemistry; Metallurgy | 17 | Expired |
| US5182238A | Protective layer of hard material with homogeneous distribution of elements | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6245446A | Wear protection layer | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8110296B2 | Multifunctional hard material coating | Emerging Cross-Sectional Technologies | 1 | Active |
| US4481166A | Wear resistant hard metal free of tungsten carbide | General | 0 | Revoked |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.