- All sections
- B - Performing operationstransporting
- B61K - Auxiliary equipment specially adapted for railways, not otherwise provided for
- B61K 7/12 - Track brakes or retarding apparatus electrically controlled
Patent holdings for IPC class B61K 7/12
Total number of patents in this class: 11
10-year publication summary
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0
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0
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1
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0
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0
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0
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3
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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
|
|---|---|---|
| Bombardier Transportation GmbH | 633 |
3 |
| Siemens AG | 24337 |
2 |
| Precision Rail and Mfg., Inc. | 28 |
2 |
| Rockwell Automation Technologies, Inc. | 2720 |
1 |
| New York Air Brake Corporation | 88 |
1 |
| WSP Global Inc. | 32 |
1 |
| GE Global Sourcing LLC | 879 |
1 |
| Other owners | 0 |