B61F 15/04
For locomotives
Official title: for locomotives
B61F15/04 (For locomotives) appears on 2 US grants and 2 published applications in this corpus.
Search patents in B61F- Granted patents
- 2
- Published applications
- 2
- Assignees
- 2
- Inventors
- 5
- Latest grant
- 28 Oct 2025
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| Year | Granted patents | Published applications |
|---|---|---|
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
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