- All sections
- B - Performing operationstransporting
- B61J - Shifting or shunting of rail vehicles
- B61J 3/04 - Car-shunting or haulage devices with cable traction or endless-chain driving means
Patent holdings for IPC class B61J 3/04
Total number of patents in this class: 5
10-year publication summary
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1
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0
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0
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0
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0
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0
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0
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Blue Leaf I.P., Inc. | 2789 |
1 |
| Daifuku Co., Ltd. | 1001 |
1 |
| Devere Mining Technologies Limited | 2 |
1 |
| Leitner S.p.A. | 86 |
1 |
| Sadleir, Nicholas Geoffrey Devere | 2 |
1 |
| Other owners | 0 |