- All sections
- B - Performing operationstransporting
- B61G - Couplings specially adapted for railway vehiclesdraught or buffing appliances specially adapted for railway vehicles
- B61G 7/12 - Adjustable coupling bars, e.g. for centralisation purposes
Patent holdings for IPC class B61G 7/12
Total number of patents in this class: 38
10-year publication summary
|
4
|
4
|
2
|
3
|
4
|
2
|
7
|
2
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dellner Couplers AB | 104 |
9 |
| Voith Patent GmbH | 2748 |
7 |
| Co.el.da. Software SRL | 10 |
4 |
| Wabtec Holding Corp. | 369 |
3 |
| CRRC Qingdao Sifang Co., Ltd. | 378 |
2 |
| Siemens Mobility GmbH | 1702 |
2 |
| Siemens AG Österreich | 315 |
1 |
| Applied Research Associates, Inc. | 182 |
1 |
| Flexiwaggon AB | 14 |
1 |
| Korea Railroad Research Institute | 177 |
1 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3067 |
1 |
| Modutram Mexico, S.A. de. C.V. | 3 |
1 |
| CRRC Zhuzhou Locomotive Co., Ltd | 250 |
1 |
| Helsingin Kaupungin Liikenneliikelaitos | 1 |
1 |
| Kawasaki Railcar Manufacturing Co., Ltd. | 179 |
1 |
| Chongqing CRRC Railway Vehicles Co., Ltd. | 6 |
1 |
| CRRC Braking System Co., Ltd. | 12 |
1 |
| Other owners | 0 |