- 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: 106
10-year publication summary
|
7
|
6
|
6
|
9
|
14
|
1
|
11
|
8
|
6
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2740 |
12 |
| TTX Company | 120 |
11 |
| CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | 85 |
7 |
| Bedloe Industries LLC | 71 |
6 |
| Dellner Couplers AB | 102 |
5 |
| Miner Enterprises, Inc. | 107 |
5 |
| Pennsy Corporation | 37 |
4 |
| Qingdao SRI Technology Co., Ltd. | 18 |
4 |
| Amsted Rail Company, Inc. | 430 |
3 |
| Siemens Mobility GmbH | 1692 |
3 |
| CRRC Braking System Co., Ltd. | 12 |
3 |
| Hitachi, Ltd. | 15364 |
2 |
| Bani-Asaf Inc. | 3 |
2 |
| Bradken Resources Pty Limited | 153 |
2 |
| Strato, Inc. | 29 |
2 |
| Wabtec Holding Corp. | 370 |
2 |
| CRRC Qishuyan Institute Co., Ltd. | 54 |
2 |
| Siemens AG | 24542 |
1 |
| Progress Rail Services Corp | 234 |
1 |
| CRRC Qiqihar Rolling Stock Co., Ltd. | 105 |
1 |
| Other owners | 28 |