Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12330918 | Split unit with reduced headroom assembly for a pneumatic vacuum elevator | — | 2025-06-17 |
| 12264040 | Integrated noise suppression apparatus for a pneumatic vacuum elevator | — | 2025-04-01 |
| 12252377 | Structure for a guide pillar system of a pneumatic vacuum elevator | — | 2025-03-18 |
| 12221323 | Structure for frame pieces of a pneumatic vacuum elevator | — | 2025-02-11 |
| 12091288 | Pneumatic flow controlling device for a pneumatic vacuum elevator and a method thereof | — | 2024-09-17 |
| 12024404 | Guide rail-pillar system of pneumatic vacuum elevator and a method to operate the same | — | 2024-07-02 |
| 11845633 | Overload valve assembly for a pneumatic vacuum elevator | — | 2023-12-19 |
| 11814267 | Seal assembly for a pneumatic vacuum elevator | — | 2023-11-14 |
| 11802021 | Locking device for a guide rail and a method thereof | — | 2023-10-31 |