- All sections
- B - Performing operationstransporting
- B61L - Guiding railway trafficensuring the safety of railway traffic
- B61L 29/14 - Manual operation mechanically
Patent holdings for IPC class B61L 29/14
Total number of patents in this class: 3
10-year publication summary
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0
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0
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2
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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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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| C.D.L. Electric Company, Inc. | 32 |
2 |
| MTR Technologies, Inc. | 5 |
1 |
| Other owners | 0 |