- All sections
- B - Performing operations; transporting
- B61G - Couplings specially adapted for railway vehicles; draught 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: 43
10-year publication summary
|
1
|
3
|
3
|
3
|
2
|
2
|
3
|
3
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wabtec Holding Corp. | 386 |
7 |
| Strato, Inc. | 60 |
4 |
| Dellner Couplers AB | 101 |
3 |
| Miner Enterprises, Inc. | 107 |
3 |
| Voith Patent GmbH | 2731 |
3 |
| A. Stucki Co. | 47 |
2 |
| Bedloe Industries LLC | 71 |
2 |
| CRRC Qingdao Sifang Co., Ltd. | 371 |
2 |
| McConway & Torley, LLC | 56 |
2 |
| Fortescue Metals Group Ltd | 35 |
2 |
| Siemens Mobility GmbH | 1642 |
2 |
| Alstom Holdings | 584 |
1 |
| Amsted Rail Company, Inc. | 437 |
1 |
| ASF-Keystone, Inc. | 9 |
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 |
| Ross Equipment Australia | 2 |
1 |
| Schunk Carbon Technology GmbH | 34 |
1 |
| Schunk Transit Systems GmbH | 66 |
1 |
| Other owners | 2 |