- All sections
- B - Performing operationstransporting
- B61F - Rail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axlesrail vehicles for use on tracks of different widthpreventing derailing of rail vehicleswheel guards, obstruction removers or the like for rail vehicles
- B61F 3/00 - Types of bogies
Patent holdings for IPC class B61F 3/00
Total number of patents in this class: 60
10-year publication summary
|
2
|
4
|
8
|
3
|
0
|
4
|
1
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amsted Rail Company, Inc. | 416 |
8 |
| BYD Company Limited | 6543 |
8 |
| Alstom Holdings | 629 |
6 |
| Bombardier Transportation GmbH | 570 |
5 |
| Kawasaki Railcar Manufacturing Co., Ltd. | 186 |
4 |
| A. Stucki Co. | 76 |
3 |
| Miner Enterprises, Inc. | 102 |
3 |
| CSR Yangtze Co., Ltd. | 25 |
2 |
| Progress Rail Locomotive Inc. | 337 |
2 |
| Max Boegl Stiftung & Co. KG | 25 |
2 |
| Alstom Transport Technologies | 109 |
1 |
| CRRC Qiqihar Rolling Stock Co., Ltd. | 117 |
1 |
| Gibbs Technologies Ltd | 88 |
1 |
| Transnet SOC Ltd | 4 |
1 |
| Trinity North American Freight Car, Inc. | 50 |
1 |
| TTX Company | 121 |
1 |
| Wabtec Holding Corp. | 339 |
1 |
| Groupe Mecalac | 24 |
1 |
| Flender GmbH | 423 |
1 |
| CRRC Yangtze Co., Ltd. | 84 |
1 |
| Other owners | 7 |