Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8500003 | Method and device for accessing microforms | — | 2013-08-06 |
| 5177859 | Method for manufacturing high-precision end faces on waveguides | Edilbert Froning | 1993-01-12 |
| 5140472 | Apparatus for brightening cockpit instruments | Klaus Runge | 1992-08-18 |
| 5136608 | Gas ring-laser | Walter J. Bernard, Werner Neumann | 1992-08-04 |
| 5091045 | Method of coupling electro-optical components to integrated-optical waveguides | Edilbert Froning | 1992-02-25 |
| 4983197 | Method for producing waveguides in a glass substrate by ion exchange | Edilbert Froning | 1991-01-08 |
| 4956066 | Device for carrying out field supported ion exchange in plane-parallel plates | Edilbert Froning | 1990-09-11 |
| 4805880 | Fluidized bed arrangement for the production of molten pig iron and steel pre-products | Rolf Hauk, Gero Papst, Michael Nagl, Werner Kepplinger, Leopold Seirlehner | 1989-02-21 |
| 4804319 | Process for compacting iron particles and subsequent breaking apart of the compacted iron band | — | 1989-02-14 |
| 4769211 | Process for compacting iron particles and subsequent breaking apart of the compacted iron band and apparatus for performing this process | — | 1988-09-06 |
| 4728360 | Process for the production of molten pig iron and steel pre-products | Rolf Hauk, Gero Papst, Michael Nagl, Werner Kepplinger, Leopold Seirlehner | 1988-03-01 |
| 4605205 | Arrangement comprising a gasifier and a direct reduction furnace | Gero Papst, Rolf Hauk, Michael Nagl | 1986-08-12 |
| 4564271 | Ring resonator and method of forming | Walter J. Bernard | 1986-01-14 |