- All sections
- B - Performing operationstransporting
- B61G - Couplings specially adapted for railway vehiclesdraught or buffing appliances specially adapted for railway vehicles
- B61G 1/22 - Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means having screws incorporated in the links for lengthening or shortening the couplings
Patent holdings for IPC class B61G 1/22
Total number of patents in this class: 7
10-year publication summary
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1
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3
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2
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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 |
| Dellner Couplers AB | 103 |
1 |
| HARTING Electric GmbH & Co. KG | 428 |
1 |
| Voith Patent GmbH | 2744 |
1 |
| Wabtec Holding Corp. | 370 |
1 |
| Siemens Mobility GmbH | 1698 |
1 |
| Other owners | 0 |