Heinrich Hassler
14Patents
5h-index
12Co-inventors
59Inventor score
Filing activity: May 10, 1972 → Jan 27, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4032301A | Composite metal as a contact material for vacuum switches | Emerging Cross-Sectional Technologies | 15 | Expired |
| US3957453A | Sintered metal powder electric contact material | Chemistry; Metallurgy | 13 | Expired |
| US4537745A | Method of producing copper-chromium fusion alloys as contact material for vacuum power switches | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4067379A | Method for the manufacture of multilayered contacts for medium-voltage vacuum power circuit breakers | Emerging Cross-Sectional Technologies | 6 | Expired |
| US3985512A | Telluride containing impregnated electric contact material | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4014688A | Contact material for high-power vacuum circuit breakers | Chemistry; Metallurgy | 5 | Expired |
| US4147909A | Sintered composite material as contact material for medium-voltage vacuum power circuit breakers | Chemistry; Metallurgy | 4 | Expired |
| US4014659A | Impregnated compound metal as contact material for vacuum switches and method for its manufacture | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4532174A | Layer system for opto-electronic displays | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4014689A | Method of fabricating a contact material for high-power vacuum circuit breakers | Chemistry; Metallurgy | 3 | Expired |
| US3948652A | Contact material for high-power vacuum circuit breakers | Electricity | 3 | Expired |
| US3993481A | Contact material for high-power vacuum circuit breakers | Chemistry; Metallurgy | 3 | Expired |
| US4519234A | Device for manufacturing laminated semifinished material | Performing Operations; Transporting | 1 | Expired |
| US4222167A | Method of manufacturing a contact bridge | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.