B61L 7/02
Remote control of local operating means for points, signals, or track-mounted scotch-blocks
Official title: using mechanical transmission, e.g. wire, lever
B61L7/02 (Remote control of local operating means for points, signals, or track-mounted scotch-blocks) appears on 3 US grants and 2 published applications in this corpus.
Search patents in B61L- Granted patents
- 3
- Published applications
- 2
- Assignees
- 2
- Inventors
- 4
- Latest grant
- 6 Apr 2021
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| Year | Granted patents | Published applications |
|---|---|---|
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 2 | 0 |
| 2021 | 1 | 0 |
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Subgroups
Granted patents
- B61L 7/021Driving wheels or supports for traction wires1
- B61L 7/027Control levers1
- B61L 7/022Guiding means or supporting foundations in beton0
- B61L 7/024Coupling for wires or traction bars0
- B61L 7/025Bracing or compensating arrangements0
- B61L 7/028Indicating or fixing arrangements in the event of breaking or tension difference0
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