F21V 37/0066
Chimneys
Official title: {Chimneys}
F21V37/0066 (Chimneys) appears on 2 US grants and 2 published applications in this corpus.
Search patents in F21V- Granted patents
- 2
- Published applications
- 2
- Assignees
- 1
- Inventors
- 3
- Latest grant
- 28 Dec 2021
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| Year | Granted patents | Published applications |
|---|---|---|
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
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