- All sections
- B - Performing operationstransporting
- B61G - Couplings specially adapted for railway vehiclesdraught or buffing appliances specially adapted for railway vehicles
- B61G 5/04 - Couplings not otherwise provided for for matching couplings of different types, e.g. transitional couplings
Patent holdings for IPC class B61G 5/04
Total number of patents in this class: 27
10-year publication summary
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1
|
1
|
1
|
4
|
2
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7
|
1
|
1
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2
|
1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2752 |
6 |
| CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | 83 |
4 |
| Dellner Couplers AB | 112 |
4 |
| Co.el.da. Software SRL | 9 |
2 |
| Korea Railroad Research Institute | 185 |
2 |
| Qingdao SRI Technology Co., Ltd. | 18 |
2 |
| Siemens AG | 24033 |
1 |
| Canon Inc. | 43768 |
1 |
| Trapeze Software ULC | 11 |
1 |
| Siemens Mobility GmbH | 1868 |
1 |
| Victor Havenga Trust | 2 |
1 |
| Gabriel Konstruktionen E.U. | 1 |
1 |
| CRRC Braking System Co., Ltd. | 18 |
1 |
| Other owners | 0 |