Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10502466 | Heat exchanger for cooling a heating tube and method thereof | Gerd Hoffmann | 2019-12-10 | $14,920,000 |
| 10215457 | Heat exchanger for cooling a heating tube and method thereof | Gerd Hoffmann | 2019-02-26 | $27,960,000 |
| 8591223 | Evaporator for organic materials and method for evaporating organic materials | Stefan Hein, Gerd Hoffmann | 2013-11-26 | $19,899,000 |
| 7882946 | Guide arrangement with at least on guide roller for the guidance of webs in webs treatment installations | Stefan Hein, Karl-Heinz Wenk, Reiner Kukla, Rainer Ludwig | 2011-02-08 | $15,045,000 |
| 7594970 | Web coating apparatus with a vacuum chamber and a coating cylinder | Stefan Hein | 2009-09-29 | $29,132,000 |
| 7450233 | Measuring device for the measurement of optical properties of coated substrates | Hans-Georg Lotz, Peter Sauer, Stefan Hein | 2008-11-11 | $43,850,000 |