- All sections
- B - Performing operationstransporting
- B61G - Couplings specially adapted for railway vehiclesdraught or buffing appliances specially adapted for railway vehicles
- B61G 1/18 - Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means having links or bars coupling or uncoupling by rotating axially
Patent holdings for IPC class B61G 1/18
Total number of patents in this class: 6
10-year publication summary
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1
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0
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1
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1
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0
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0
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2
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Co.el.da. Software SRL | 10 |
2 |
| Progress Rail Services Corp | 234 |
1 |
| CRRC Qingdao Sifang Co., Ltd. | 380 |
1 |
| Dellner Couplers AB | 105 |
1 |
| CRRC Ziyang Co., Ltd. | 33 |
1 |
| Other owners | 0 |