Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11242276 | Method for producing a glass-fibre preform with a core of a polygonal core cross section | Wolfgang Hämmerle | 2022-02-08 |
| 10131565 | Preform for an optical waveguide and a fiber with non-circular core | Ralitsa Rosenow, Roland Heinze, Robert Hanf, Lothar Brehm | 2018-11-20 |
| 9475729 | Method for the unidirectional and or bidirectional removal of a cladding layer of an optical preform | Robert Hanf, Lothar Brehm | 2016-10-25 |
| 9382149 | Methods for producing a semifinished part for the manufacture of an optical fiber which is optimized in terms of bending | Lothar Brehm, Matthias Auth | 2016-07-05 |