B66B 5/286
Between two cars or two counterweights
Official title: {between two cars or two counterweights}
B66B5/286 (Between two cars or two counterweights) appears on 2 US grants and 6 published applications in this corpus.
Search patents in B66B- Granted patents
- 2
- Published applications
- 6
- Assignees
- 4
- Inventors
- 13
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year.
Recent patents
- Elevator system having two shafts13 May 2021US 2021/0139282 A1thyssenkrupp Elevator Innovation and Operations AG
- Buffering device for multiple-car elevator system28 Dec 2017US 2017/0369280 A1Otis Elevator Company
- Elevator installation16 May 2013US 2013/0118837 A1Thyssenkrupp Elevator AG
- Counterweight With Partially Imbedded Buffer23 Oct 2008US 2008/0257654 A1
- Frangible Buffer For An Elevator System With Multiple Cars In A Hoistway25 Sep 2008US 2008/0230324 A1
Most cited
By later US patents