B41F 23/0469
By using gas or fuel burners
Official title: {by using gas or fuel burners}
B41F23/0469 (By using gas or fuel burners) appears on 2 US grants and 2 published applications in this corpus.
Search patents in B41F- Granted patents
- 2
- Published applications
- 2
- Assignees
- 2
- Inventors
- 4
- Latest grant
- 3 May 2022
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| Year | Granted patents | Published applications |
|---|---|---|
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
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