Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9879356 | Method for delamination of ceramic hard material layers from steel and cemented carbide substrates | Birgit Wittel, Gunnar Lahtz, Christian Buchel, Jan Prochazka, Andreas Lumkemann +1 more | 2018-01-30 |
| 8349474 | Hob cutter with a coating and method for coating hob cutter | Marcus Morstein, Andreas Lumkemann, Jorn Kohlscheen | 2013-01-08 |
| 6926811 | Arc-coating process with rotating cathodes | Marcus Morstein, Pavel Holubar, Mojmir Jilek, Peter Blosch | 2005-08-09 |
| 6586862 | Piezoelectric adjusting mechanism | — | 2003-07-01 |
| 6261034 | Boring bit | — | 2001-07-17 |
| 6213692 | Cutting tool | Joerg Guehring, Johann Rechberger | 2001-04-10 |
| 5890849 | Tool-holding fixture for tools supplied with coolant or lubricant and associated reservoir for coolant or lubricant | — | 1999-04-06 |