B61G 3/18
Locking devices
B61G3/18 (Locking devices) appears on 2 US grants and 4 published applications in this corpus.
Search patents in B61G- Granted patents
- 2
- Published applications
- 4
- Assignees
- 5
- Inventors
- 8
- Latest grant
- 8 Oct 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
By publication year.
Recent patents
- Coupler comprising a blocking mechanism for preventing coupling of the mechanical coupler, and method to operate a coupler1 Aug 2024US 2024/0253674 A1Dellner Couplers AB
- Automatic train coupling7 Dec 2023US 2023/0391380 A1Voith Patent GmbH
- Coupler uncoupling control mechanism15 Aug 2019US 2019/0248388 A1Qingdao Sri Technology Co., Ltd.
- Over-center spring coupler14 Nov 2013US 2013/0299441 A1Wabtec Passenger Transit
Most cited
By later US patents