B66B 1/48
Adaptations of mechanically-operated limit switches
Official title: Adaptations of mechanically-operated limit switches (for cranes B66C13/50; for winding mechanisms B66D1/56)
B66B1/48 (Adaptations of mechanically-operated limit switches) appears on 12 US grants and 12 published applications in this corpus.
Search patents in B66B- Granted patents
- 12
- Published applications
- 12
- Assignees
- 4
- Inventors
- 17
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 3 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 3 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year.
Recent patents
- Elevator switch adapter17 Jun 2025US 12,330,910 B1
- Elevator communication arrangement27 Sep 2022US 11,453,570 B2Kone Corporation
- Elevator safety device16 Aug 2022US 11,414,297 B2Otis Elevator Company
- Elevator system22 Mar 2022US 11,279,592 B2Mitsubishi Electric Corporation
- Elevator overtravel testing systems and methods20 Jul 2021US 11,066,273 B2Otis Elevator Company
- Safety device for an elevator system or escalator system, elevator system, and method for indicating the status of a safety circuit20 May 2021US 2021/0147184 A1Inventio AG
- Elevator system25 Apr 2019US 2019/0119069 A1Mitsubishi Electric Corporation
- Elevator communication arrangement28 Feb 2019US 2019/0062103 A1Kone Corporation
- Elevator safety device31 Jan 2019US 2019/0031466 A1Otis Elevator Company
- Elevator overtravel testing systems and methods4 Oct 2018US 2018/0282120 A1Otis Elevator Company
Most cited
By later US patents
- Elevator installation operating method for transporting elevator users64US 8,061,485 B2Inventio AG · 2011
- Using a position detection device with an elevator system13US 8,684,142 B2Inventio AG · 2014
- Elevator installation access control with position detection8US 8,381,880 B2Inventio AG · 2013
- Elevator installation access security method with position detection6US 9,382,096 B2Inventio AG · 2016
- Positioning apparatus, elevator and a method for determining the position of an elevator car by using classified position identifiers2US 10,040,664 B2Kone Corporation · 2018