- All sections
- B - Performing operationstransporting
- B61D - Body details or kinds of railway vehicles
- B61D 3/06 - Flat-bottomed cars convertible into hoppers
Patent holdings for IPC class B61D 3/06
Total number of patents in this class: 10
10-year publication summary
|
0
|
0
|
2
|
0
|
0
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0
|
2
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Titan Trailers Inc. | 87 |
3 |
| Bradken Resources Pty Limited | 147 |
2 |
| CRRC Qiqihar Rolling Stock Co., Ltd. | 117 |
1 |
| Gunderson LLC | 73 |
1 |
| Trinity Industries, Inc. | 71 |
1 |
| Irex Co., Ltd. | 3 |
1 |
| SunTrain, Inc. | 8 |
1 |
| Other owners | 0 |