Hans-Hermann Beyer
9Patents
5h-index
21Co-inventors
63Inventor score
Filing activity: Dec 29, 1983 → Jun 22, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5518556A | Surface-hardened objects of alloys of platinum and palladium and method for their production | Chemistry; Metallurgy | 10 | Expired |
| US5176410A | Brazing and soldering fittings for tubes | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4634383A | Process and apparatus for the production of fillings in teeth | Performing Operations; Transporting | 9 | Expired |
| US5578383A | Precious-metal material for articles of jewelry and a method of manufacturing them | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4536224A | Salt bath for the currentless production of wear resistant boride layers | Chemistry; Metallurgy | 5 | Expired |
| US4610631A | Process for the production of fillings for teeth | Human Necessities | 4 | Expired |
| US5354578A | Process for the preparation of wear-resistant hard material layers on metallic supports | Performing Operations; Transporting | 3 | Expired |
| US4509993A | Regeneration agent for carburization salt bath | Chemistry; Metallurgy | 0 | Expired |
| US11862784B2 | Process for making a cathode active material for a lithium ion battery | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.