Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 12188122 | Process and device for providing vapor | Oliver Hohn, Michael Reising, Johannes Grübler, Jörg Koch | 2025-01-07 | |
| 5755315 | Handrail drive for a passenger conveyor | Knuth Wallbaum, Jorg Ostermeier | 1998-05-26 | $11,635,000 |
| 5542522 | Balustrade assembly and method for assembling a balustrade assembly | Willy Adrian, Frank Bathge, Peter Borchers, Knuth Wallbaum, Gerald Wente | 1996-08-06 | $10,792,000 |
| 5137135 | Escalator step chain roller | Hans-Jirgen Langer | 1992-08-11 | $4,931,000 |