| 9028586 |
Oxidation method |
Bernd Kempf, Gunther WIEHL, Werner Roth, Andreas Koch, Ralf Niederreuther |
2015-05-12 |
| 8749330 |
Electric contact element and method for producing an electric contact element |
Jens Heinrich, Ralf Hoffmann, Peter Sandeck, Martin Wieberger, Andreas Koffler +2 more |
2014-06-10 |
| 7842274 |
Process for manufacture of silver-based particles and electrical contact materials |
Dan V. Goia, Sebastian Fritzsche, Bernd Kempf, Thierry Charles Simon Vandevelde |
2010-11-30 |
| 5985440 |
Sintered silver-iron material for electrical contacts and process for producing it |
Wolfgang Weise, Willi Malikowski, Roger Wolmer, Andreas Koffler |
1999-11-16 |
| 5841044 |
Silver-iron material for electrical switching contacts (I) |
Wolfgang Weise, Willi Malikowski, Roger Wolmer, Andreas Koffler |
1998-11-24 |
| 5808213 |
Silver-iron material for electrical switching contacts (II) |
Wolfgang Weise, Willi Malikowski, Roger Wolmer, Andreas Koffler |
1998-09-15 |
| 5798468 |
Sintering material containing silver-tin oxide for electrical contacts and process for its manufacture |
Wolfgang Weise, Roger Wolmer |
1998-08-25 |
| 5728194 |
Silver-iron material for electrical switching contacts (III) |
Wolfgang Weise, Willi Malikowski, Roger Wolmer, Andreas Koffler |
1998-03-17 |
| 4859238 |
Silver-iron material for electrical contacts |
Wolfgang Weise, Roger Wolmer |
1989-08-22 |