F02P 21/02
The flames being kept burning essentially external to engine working chambers
Official title: the flames being kept burning essentially external to engine working chambers
F02P21/02 (The flames being kept burning essentially external to engine working chambers) appears on 2 US grants and 3 published applications in this corpus.
Search patents in F02P- Granted patents
- 2
- Published applications
- 3
- Assignees
- 1
- Inventors
- 3
- Latest grant
- 2 Feb 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year.
Recent patents
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Most cited
By later US patents