Gas Inlet Fixture and Air Shutter
US-2019264909-A1 · Aug 29, 2019 · US
with provision for a retention flame (pilot flame igniters F23Q9/00)
with provision for a retention flame (pilot flame igniters F23Q9/00) · 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 | F23D14/26 |
| Official title | with provision for a retention flame (pilot flame igniters F23Q9/00) |
| Display label | with provision for a retention flame (pilot flame igniters F23Q9/00) |
| Total patents | 110 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 14 |
| 2017 | 10 |
| 2018 | 17 |
| 2019 | 16 |
| 2020 | 12 |
| 2021 | 7 |
| 2022 | 9 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Burner device and method
US-10344970-B2 · Jul 9, 2019 · US
Systems and Methods for Avoiding Harmonic Modes of Gas Burners
US-2019162408-A1 · May 30, 2019 · US
Perforated flame holder support structure with heating element
US-2019137096-A1 · May 9, 2019 · US
Gas inlet fixture and air shutter
US-10281144-B2 · May 7, 2019 · US
Combustion apparatus
US-10184658-B2 · Jan 22, 2019 · US
Radiant wall burner including perforated flame holders
US-2019011124-A1 · Jan 10, 2019 · US
Startup method and mechanism for a burner having a perforated flame holder
US-2019003705-A1 · Jan 3, 2019 · US
Combustion system with flame location actuation
US-2018372314-A1 · Dec 27, 2018 · US
Pilot burner assembly and method of assembling same
US-10151484-B2 · Dec 11, 2018 · US
Down-fired burner with a perforated flame holder
US-10088154-B2 · Oct 2, 2018 · US
Radiant wall burner including perforated flame holders
US-10088153-B2 · Oct 2, 2018 · US
Startup method and mechanism for a burner having a perforated flame holder
US-10077899-B2 · Sep 18, 2018 · US
Home cooking appliance having a pedestal burner
US-2018252407-A1 · Sep 6, 2018 · US
Combustion system with flame location actuation
US-10066835-B2 · Sep 4, 2018 · US
Low NOx gas burners with carryover ignition
US-10006628-B2 · Jun 26, 2018 · US
Radiant burner
US-2018135855-A1 · May 17, 2018 · US
Power generation system for gas-fired appliances
US-2018135857-A1 · May 17, 2018 · US
Method of assembling pilot burner assembly
US-2018135858-A1 · May 17, 2018 · US
Burner including a perforated flame holder spaced away from a fuel nozzle
US-2018080648-A1 · Mar 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23D14/26?
- CPC F23D14/26 is the Cooperative Patent Classification code for “with provision for a retention flame (pilot flame igniters F23Q9/00).”
- How many patents are filed under CPC F23D14/26 (with provision for a retention flame (pilot flame igniters F23Q9/00))?
- Our database includes 110 publications tagged with this CPC code.
- Is patent activity under CPC F23D14/26 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).