- All sections
- B - Performing operationstransporting
- B61G - Couplings specially adapted for railway vehiclesdraught or buffing appliances specially adapted for railway vehicles
- B61G 9/00 - Draw-gear
Patent holdings for IPC class B61G 9/00
Total number of patents in this class: 39
10-year publication summary
|
3
|
3
|
3
|
2
|
2
|
3
|
4
|
1
|
0
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dellner Couplers AB | 110 |
4 |
| Strato, Inc. | 22 |
4 |
| Miner Enterprises, Inc. | 102 |
3 |
| Wabtec Holding Corp. | 343 |
3 |
| A. Stucki Co. | 75 |
2 |
| Bedloe Industries LLC | 72 |
2 |
| CRRC Qingdao Sifang Co., Ltd. | 403 |
2 |
| McConway & Torley, LLC | 52 |
2 |
| Voith Patent GmbH | 2753 |
2 |
| Fortescue Metals Group Ltd | 16 |
2 |
| Siemens Mobility GmbH | 1866 |
2 |
| Alstom Holdings | 631 |
1 |
| Amsted Rail Company, Inc. | 423 |
1 |
| ASF-Keystone, Inc. | 7 |
1 |
| Mudanjiang Jinyuan Coupler and Draft Gear Manufacturing Co., Ltd. | 7 |
1 |
| National Steel Car Limited | 149 |
1 |
| Qiqihar Railway Rolling Stock Co., Ltd. | 45 |
1 |
| Trinity Tank Car, Inc. | 15 |
1 |
| Ross Equipment Australia | 2 |
1 |
| Schunk Carbon Technology GmbH | 42 |
1 |
| Other owners | 2 |