Helmut Hartner
4Patents
3h-index
7Co-inventors
47Inventor score
Filing activity: Aug 9, 1989 → Aug 14, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5304237A | Chromium-free wood preservatives | Performing Operations; Transporting | 27 | Expired |
| US4970201A | Preservatives for cellulose containing products | Chemistry; Metallurgy | 9 | Expired |
| US6506795B1 | Wood preservatives | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9808954B2 | Composition of a timber formulation comprising Cu salts and organic cyclic ingredients for the preservation of timber for decks | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.