Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9557194 | Input device for an electrical device | Marianne Both, Andreas Dachs, Roman Makhtyuk, Bernd Martin, Matthias Sorg | 2017-01-31 |
| 7806582 | Illuminating module for mounting in a domestic appliance and domestic appliance with such a module | Roland Vetter | 2010-10-05 |
| 5039377 | Bleaching paper pulp with modified silicate ion exchanger and hydrogen peroxide | Axel von Raven, Josef Weigl, Friedrich Ruf | 1991-08-13 |
| 4662754 | Method for facilitating the alignment of a photomask with individual fields on the surfaces of a number of wafers | — | 1987-05-05 |
| 4592648 | Device for projection copying of masks onto a workpiece | Werner Tabarelli | 1986-06-03 |
| 4592650 | Apparatus for projecting a pattern on a semiconductor substrate | Werner Tabarelli | 1986-06-03 |
| 4540277 | Device for the projection printing of masks into a workpiece | Ernst Lobach | 1985-09-10 |
| 4496241 | Process and device for relatively aligning the image and object surfaces in optical copying systems | — | 1985-01-29 |
| 4473292 | Dampening system | — | 1984-09-25 |
| 4461567 | Method of and apparatus for the positioning of disk-shaped workpieces, particularly semiconductor wafers | — | 1984-07-24 |
| 4432635 | Temperature-controlled support for semiconductor wafer | — | 1984-02-21 |
| 4431304 | Apparatus for the projection copying of mask patterns on a workpiece | — | 1984-02-14 |
| 4405229 | Method of projecting printing on semiconductor substrate and workpiece including such substrate | — | 1983-09-20 |
| 4376581 | Method of positioning disk-shaped workpieces, preferably semiconductor wafers | — | 1983-03-15 |
| 4357100 | Arrangement for projection copying masks on to a work piece | Ernst Lobach | 1982-11-02 |
| 4355892 | Method for the projection printing | Ernst W. Loebach | 1982-10-26 |
| 4270649 | Method for controlling operating processes | — | 1981-06-02 |
| 4269505 | Device for the projection printing of the masks of a mask set onto a semiconductor substrate | — | 1981-05-26 |
| 4236701 | Device for fixing a planar work piece | — | 1980-12-02 |
| 4204276 | Write-read drive arrangement for a bipolar semiconductor memory | Hans Glock | 1980-05-20 |