B61G 1/18
Couplings comprising interengaging parts of different shape or form and having links
Official title: having links or bars coupling or uncoupling by rotating axially
B61G1/18 (Couplings comprising interengaging parts of different shape or form and having links) appears on 4 US grants and 4 published applications in this corpus.
Search patents in B61G- Granted patents
- 4
- Published applications
- 4
- Assignees
- 3
- Inventors
- 14
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System for automatic coupling and release of vehicles travelling on the rail network20 Jan 2026US 12,528,522 B2Co.El.Da. Software Srl
- Coupling assembly and rail vehicle having same31 Dec 2019US 10,518,789 B2Crrc Qingdao Sifang Co., Ltd.
- Bearing bracket, assembly containing such a bearing bracket and system containing such an assembly4 Jun 2019US 10,308,262 B2Dellner Couplers AB
- Railroad coupler mount7 Jul 2015US 9,073,561 B2
- System for automatic coupling and release of vehicles travelling on the rail network4 Jan 2024US 2024/0001974 A1Co.El.Da. Software Srl
- Coupling assembly and rail vehicle having same31 Oct 2019US 2019/0329800 A1Crrc Qingdao Sifang Co., Ltd.
- Bearing bracket, assembly containing such a bearing bracket and system containing such an assembly3 Nov 2016US 2016/0318528 A1Dellner Couplers AB
- Railroad coupler mount25 Oct 2012US 2012/0267492 A1
Most cited
By later US patents