- All sections
- B - Performing operationstransporting
- B61G - Couplings specially adapted for railway vehiclesdraught or buffing appliances specially adapted for railway vehicles
- B61G 7/00 - Details or accessories
Patent holdings for IPC class B61G 7/00
Total number of patents in this class: 110
10-year publication summary
|
6
|
6
|
9
|
14
|
1
|
12
|
8
|
6
|
9
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2777 |
14 |
| TTX Company | 123 |
11 |
| CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | 83 |
7 |
| Bedloe Industries LLC | 71 |
6 |
| Miner Enterprises, Inc. | 102 |
5 |
| Dellner Couplers AB | 109 |
4 |
| Pennsy Corporation | 43 |
4 |
| Qingdao SRI Technology Co., Ltd. | 18 |
4 |
| Siemens Mobility GmbH | 1839 |
4 |
| CRRC Braking System Co., Ltd. | 16 |
4 |
| Amsted Rail Company, Inc. | 429 |
3 |
| Hitachi, Ltd. | 15904 |
2 |
| Bradken Resources Pty Limited | 149 |
2 |
| Nolan Company, The | 6 |
2 |
| Strato, Inc. | 22 |
2 |
| Wabtec Holding Corp. | 344 |
2 |
| CRRC Qishuyan Institute Co., Ltd. | 57 |
2 |
| Siemens AG | 24199 |
1 |
| Progress Rail Services Corp | 222 |
1 |
| Bani-Asaf Inc. | 2 |
1 |
| Other owners | 29 |