B66B 17/28
Electrically controlled
Official title: electrically controlled (for elevators in general B66B1/06)
B66B17/28 (Electrically controlled) appears on 2 US grants and 2 published applications in this corpus.
Search patents in B66B- Granted patents
- 2
- Published applications
- 2
- Assignees
- 2
- Inventors
- 13
- Latest grant
- 13 Jul 2021
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| Year | Granted patents | Published applications |
|---|---|---|
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
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| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
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