Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640796 | Method for separating slices from a hard brittle workpiece, and wire saw for carrying out the method | Jorg Lukschandel | 2003-11-04 |
| 6295977 | Method and device for simultaneously cutting off a multiplicity of wafers from a workpiece | Bert Ripper, Christian Andrae, Holger Lundt, Helmut Kolker, Jochen Greim | 2001-10-02 |
| 6234159 | Wire saw and process for cutting off shaped articles | — | 2001-05-22 |
| 6098610 | Wire saw and method of using it | — | 2000-08-08 |
| 6073878 | Method and device for unwinding or winding up a sawing wire | — | 2000-06-13 |
| 6050254 | Wire saw, repair station, maintenance and testing station for a wire-guiding-roller unit of the wire saw, and method of exchanging the wire-guiding-roller unit | — | 2000-04-18 |
| 5771876 | Wire saw for and method of cutting off slices from a workpiece | — | 1998-06-30 |
| 5616065 | Wire saw and method for cutting wafers from a workpiece | — | 1997-04-01 |
| 4777926 | Device for clamping the blades in a gang saw for sawing crystal rods | Wolfgang Ermer | 1988-10-18 |