Helmut Riegger
4Patents
4h-index
4Co-inventors
33Inventor score
Filing activity: Mar 2, 1981 → Nov 3, 1981
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4398969A | Shape-memory alloy based on copper, zinc and aluminum and process for preparing it | Chemistry; Metallurgy | 13 | Expired |
| US4365996A | Method of producing a memory alloy | Chemistry; Metallurgy | 11 | Expired |
| US4389250A | Memory alloys based on copper or nickel solid solution alloys having oxide inclusions | Chemistry; Metallurgy | 8 | Expired |
| US4410488A | Powder metallurgical process for producing a copper-based shape-memory alloy | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.