Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10041149 | Nickel-free white CuZn alloy and fitting using the alloy | Florian Seuss | 2018-08-07 |
| 9301515 | Horseshoe and copper-zinc alloy for a horseshoe | Juergen Geise, Freidrich Gebhard | 2016-04-05 |
| 8435361 | Copper-zinc alloy for a valve guide | Alexander Dehnelt | 2013-05-07 |
| 5675883 | Method of manufacturing a copper-nickel-silicon alloy casing | Peter Ruchel | 1997-10-14 |
| 5658401 | Copper-zinc alloy | Peter Ruchel | 1997-08-19 |
| 4954187 | Precipitates copper-zinc alloy with nickel silicide | Peter Ruchel | 1990-09-04 |