Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12001229 | Pneumatic elevator with pressure regulator | Stefan Gruber, Patrick-Andrew G. De Ledebur | 2024-06-04 |
| D1021143 | Elevator shaft | — | 2024-04-02 |
| 11834297 | Adjustable seal | Carlos M. Ascua | 2023-12-05 |
| 11780707 | Cabin guide | Carlos M. Ascua | 2023-10-10 |
| 11518653 | Foldable elevator structure | Stefan Gruber, Patrick-Andrew G. De Ledebur | 2022-12-06 |
| 11414302 | Foldable elevator structures for cabin and shaft | Stefan Gruber, Patrick-Andrew G. De Ledebur | 2022-08-16 |
| 10351388 | Pneumatic vacuum elevator cabin guides | Carlos M. Ascua | 2019-07-16 |
| 10233055 | Pneumatic vacuum elevator seal | Carlos M. Ascua | 2019-03-19 |
| 10106375 | Split vacuum elevator system | Carlos M. Ascua | 2018-10-23 |
| 9248995 | Vacuum valve | Carlos M. Ascua | 2016-02-02 |
| 9162848 | Vacuum brake | Carlos M. Ascua | 2015-10-20 |