Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12393007 | Method for adapting optical properties of an immersion mixture, and immersion mixtures and components thereof | Hans-Joachim Weippert | 2025-08-19 |
| 12013523 | Immersion oils having long service life | Jakob Benedikt Jaeger, Hans-Joachim Weippert | 2024-06-18 |
| 11794428 | Inkjet method for producing a spectacle lens | Hans-Joachim Weippert, Jörg Pütz | 2023-10-24 |
| 11697712 | Temporary protective lacquer optical element | Joerg Puetz, Hans-Joachim Weippert | 2023-07-11 |
| 9945002 | Preheating appartus for steel scrap and metallurgical melting vessel equipped therewith | Hannes Beile, Markus Dorndorf, Hansjörg Huber, Christiane Kiessner, Petra Kreuder +3 more | 2018-04-17 |