Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5961749 | Use of a brass alloy for sanitary pipes | — | 1999-10-05 |
| 5675883 | Method of manufacturing a copper-nickel-silicon alloy casing | Norbert Gaag | 1997-10-14 |
| 5658401 | Copper-zinc alloy | Norbert Gaag | 1997-08-19 |
| 5175653 | Utilization of a material possessing a micro-duplex grain structure | Hansjorg Stadler | 1992-12-29 |
| 4954187 | Precipitates copper-zinc alloy with nickel silicide | Norbert Gaag | 1990-09-04 |
| 4892991 | Utilization of a material possessing a micro-duplex grain structure | Hansjorg Stadler | 1990-01-09 |
| 4676848 | Brass alloy | Lothar Hofmann | 1987-06-30 |
| 4288257 | Brass material and a process for the preparation thereof | — | 1981-09-08 |
| 4238249 | Process for the preparation of a copper-zinc material | — | 1980-12-09 |
| 4226621 | Brass material and a process for the preparation thereof | — | 1980-10-07 |