- All sections
- B - Performing operationstransporting
- B61J - Shifting or shunting of rail vehicles
- B61J 1/12 - Rollers or devices for shifting or transporting rail vehicles on rails
Patent holdings for IPC class B61J 1/12
Total number of patents in this class: 13
10-year publication summary
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0
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1
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0
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1
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2
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1
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1
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2
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BNSF Railway Company | 492 |
5 |
| Rockwell Automation Technologies, Inc. | 2721 |
2 |
| Hyundai Motor Company | 23273 |
1 |
| Lockheed Martin Corporation | 3275 |
1 |
| Kia Motors Corporation | 7738 |
1 |
| Hegenscheidt-MFD GmbH & Co. KG | 66 |
1 |
| Korea Railroad Corporation | 23 |
1 |
| Extensive World 3D Technology Co., Ltd. | 1 |
1 |
| Other owners | 0 |