Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9506151 | Method for applying manganese phosphate layers | Detlev Seifert, Ralf Stickler | 2016-11-29 |
| 9422503 | Method for coating metal surfaces with a phosphate layer and then with a polymer lubricant layer | Uwe Rau, Andreas Lang | 2016-08-23 |
| 8956699 | Method for coating metal surfaces with a wax-containing lubricant composition | Uwe Rau | 2015-02-17 |
| 8915108 | Method for coating metal surfaces with a lubricant composition | Uwe Rau | 2014-12-23 |
| 7282088 | Method for copper-plating or bronze-plating an object and liquid mixtures therefor | Ralf Schneider | 2007-10-16 |
| 6482273 | Preparation of workpieces for cold forming | Uwe Rau | 2002-11-19 |
| 6479439 | Regenerator of acid reaction lubricant residues | Uwe Rau, Norbert Schwinke-Kruse | 2002-11-12 |
| 6261644 | Process for the electroless deposition of copper coatings on iron and iron alloy surfaces | Karl-Heinz Nuss | 2001-07-17 |
| 6034041 | Lubricant for metal forming | Norbert Schwinke-Kruse, Gunter Hesse | 2000-03-07 |
| 5776231 | Concentrate for the electroless deposition of copper coatings on iron and iron alloy surfaces | Karl-Heinz Nuss | 1998-07-07 |
| 5584945 | Lubricant carrier salt for metal forming | Norbert Schwinke-Kruse | 1996-12-17 |
| 5415701 | Process for facilitating cold-working operations | Karl-Heinz Zander | 1995-05-16 |
| 4199381 | Preparation of metals for cold forming | Karl-Heinz Nuss, Han-Yong Oei, Gunter Siemund | 1980-04-22 |