Retractable and extendable portable ignitors, ignition systems, and associated methods
US-2025052424-A1 · Feb 13, 2025 · US
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with interlock with main fuel supply
with interlock with main fuel supply · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F23Q9/08 |
| Official title | with interlock with main fuel supply |
| Display label | with interlock with main fuel supply |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fire display device
US-10808926-B2 · Oct 20, 2020 · US
Fire Display Device
US-2019101281-A1 · Apr 4, 2019 · US
Combustion system with flame location actuation
US-10240788-B2 · Mar 26, 2019 · US
Combustion system with flame location actuation
US-2018372314-A1 · Dec 27, 2018 · US
Combustion system with flame location actuation
US-10066835-B2 · Sep 4, 2018 · US
Gas flow controller for use in gas fired apparatus
US-9618205-B2 · Apr 11, 2017 · US
Combustion system with flame location actuation
US-2016290639-A1 · Oct 6, 2016 · US
Gas flow controller for use in gas fired apparatus
US-2015330632-A1 · Nov 19, 2015 · US