- All sections
- B - Performing operations; transporting
- B61D - Body details or kinds of railway vehicles
- B61D 3/00 - Wagons or vans
Patent holdings for IPC class B61D 3/00
Total number of patents in this class: 176
10-year publication summary
|
6
|
26
|
11
|
33
|
11
|
15
|
10
|
8
|
9
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| National Steel Car Limited | 149 |
20 |
| Berkshire Grey Operating Company, Inc. | 442 |
16 |
| JAC Operations, Inc. | 52 |
12 |
| Trinity North American Freight Car, Inc. | 50 |
12 |
| Trinity Rail Group, LLC | 108 |
11 |
| CRRC Qiqihar Rolling Stock Co., Ltd. | 103 |
6 |
| Gunderson LLC | 59 |
6 |
| Miner Enterprises, Inc. | 107 |
6 |
| Aero Transportation Products, Inc. | 9 |
4 |
| CRRC Yangtze Co., Ltd. | 79 |
4 |
| Dalian Qiche Railway Rolling Stock Co., Ltd. | 6 |
3 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 407 |
3 |
| Qiqihar Railway Rolling Stock Co., Ltd. | 45 |
3 |
| Trinity Industries, Inc. | 80 |
3 |
| CRRC Shandong Co., Ltd. | 24 |
3 |
| Bulk Ore Shuttle System Pty Ltd | 3 |
3 |
| Mbull Holdings, LLC | 30 |
3 |
| American Made, LLC, DBA U.S. Liner Company | 14 |
2 |
| CNGmotive, Inc. | 18 |
2 |
| FreightCar America, Inc. | 5 |
2 |
| Other owners | 52 |