- All sections
- B - Performing operationstransporting
- B61G - Couplings specially adapted for railway vehiclesdraught or buffing appliances specially adapted for railway vehicles
- B61G 9/24 - Linkages between draw-bar and framework
Patent holdings for IPC class B61G 9/24
Total number of patents in this class: 35
10-year publication summary
|
2
|
5
|
7
|
2
|
2
|
3
|
0
|
1
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dellner Couplers AB | 109 |
8 |
| Voith Patent GmbH | 2774 |
8 |
| Siemens Mobility GmbH | 1842 |
3 |
| Gunderson LLC | 71 |
2 |
| Strato, Inc. | 22 |
2 |
| Faiveley Transport Schwab AG | 3 |
2 |
| CRRC Zhuzhou Locomotive Co., Ltd | 264 |
2 |
| Siemens AG | 24189 |
1 |
| CRRC Qingdao Sifang Co., Ltd. | 399 |
1 |
| Ego International B.V. | 10 |
1 |
| Miner Enterprises, Inc. | 102 |
1 |
| National Steel Car Limited | 146 |
1 |
| Transportation IP Holdings, LLC | 976 |
1 |
| Datong Electric Locomotive Co., Ltd of NCR | 10 |
1 |
| Strato Technology Solutions, LLC | 31 |
1 |
| Other owners | 0 |