B66B 11/0423
Actuated pneumatically or hydraulically
Official title: {actuated pneumatically or hydraulically}
B66B11/0423 (Actuated pneumatically or hydraulically) appears on 18 US grants and 18 published applications in this corpus.
Search patents in B66B- Granted patents
- 18
- Published applications
- 18
- Assignees
- 11
- Inventors
- 37
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 4 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 3 |
| 2020 | 0 | 2 |
| 2021 | 2 | 1 |
| 2022 | 4 | 2 |
| 2023 | 1 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- System and method for hydraulic-pneumatic drive with energy storage for elevators21 Jul 2026US 12,686,588 B2
- Integrated noise suppression apparatus for a pneumatic vacuum elevator1 Apr 2025US 12,264,040 B2
- Pneumatic flow controlling device for a pneumatic vacuum elevator and a method thereof17 Sep 2024US 12,091,288 B2Killalathu Ramanathan Babu
- Pneumatic elevator with pressure regulator4 Jun 2024US 12,001,229 B1
- Self-climbing self-locking elevator14 Nov 2023US 11,814,266 B2Otis Elevator Company
- An airflow controller in a pneumatic vacuum elevator and a method to operate the same8 Oct 2026US 2026/0307943 A1
- Hydraulic elevator drive system and elevator system comprising a hydraulic elevator drive system6 Aug 2026US 2026/0225856 A1Otis Elevator Company
- Integrated noise suppression apparatus for a pneumatic vacuum elevator4 May 2023US 2023/0136840 A1
- A pneumatic flow controlling device for a pneumatic vacuum elevator and a method thereof4 May 2023US 2023/0137918 A1Killalathu Ramanathan Babu
- System and method for hydraulic-pneumatic drive with energy storage for elevators26 May 2022US 2022/0162038 A1
Most cited
By later US patents
- Split vacuum elevator system6US 10,106,375 B12018
- Elevator dampening system6US 7,311,179 B12007
- Elevator4US 11,498,801 B22022
- Machine roomless hydraulic elevator system2US 9,517,921 B2Otis Elevator Company · 2016
- Pneumatic vertical transportation device1US 10,906,781 B2National Taiwan Normal University · 2021