Fresh air intake for low NOx emission furnace
US-11808449-B2 · Nov 7, 2023 · US
cooperating with refractory wall surfaces
cooperating with refractory wall surfaces · 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 | F23D14/126 |
| Official title | {cooperating with refractory wall surfaces} |
| Display label | cooperating with refractory wall surfaces |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 8 |
| 2020 | 4 |
| 2021 | 3 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat exchanger, radiant tube type heating device, and method of manufacturing heat exchanger
US-11209225-B2 · Dec 28, 2021 · US
Nozzle structure for hydrogen gas burner apparatus
US-2021310651-A1 · Oct 7, 2021 · US
Nozzle structure for hydrogen gas burner apparatus
US-11098893-B2 · Aug 24, 2021 · US
Gas cooker
US-10871290-B2 · Dec 22, 2020 · US
FRESH AIR INTAKE FOR LOW NOx EMISSION FURNACE
US-2020340668-A1 · Oct 29, 2020 · US
Fresh air intake for low NOx emission furnace
US-10711998-B2 · Jul 14, 2020 · US
Nozzle structure for hydrogen gas burner apparatus
US-10648662-B2 · May 12, 2020 · US
Gas cooker
US-10408461-B2 · Sep 10, 2019 · US
Heat exchanger, radiant tube type heating device, and method of manufacturing heat exchanger
US-2019219346-A1 · Jul 18, 2019 · US
Gas cooker
US-2019170366-A1 · Jun 6, 2019 · US
Burner for gas cooker
US-10302305-B2 · May 28, 2019 · US
FRESH AIR INTAKE FOR LOW NOx EMISSION FURNACE
US-2019101283-A1 · Apr 4, 2019 · US
Gas cooker
US-10240799-B2 · Mar 26, 2019 · US
Nozzle structure for hydrogen gas burner apparatus
US-2019072274-A1 · Mar 7, 2019 · US
Nozzle structure for hydrogen gas burner apparatus
US-2019072273-A1 · Mar 7, 2019 · US
Radiant burner
US-10161628-B2 · Dec 25, 2018 · US
Inward fired pre-mix burners with carryover
US-10126015-B2 · Nov 13, 2018 · US
Combustion monitoring
US-10030871-B2 · Jul 24, 2018 · US
Cooking appliance
US-10024543-B2 · Jul 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23D14/126?
- CPC F23D14/126 is the Cooperative Patent Classification code for “cooperating with refractory wall surfaces.”
- How many patents are filed under CPC F23D14/126 (cooperating with refractory wall surfaces)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC F23D14/126 growing?
- Publication counts under this code: 3 in 2021 vs 1 in 2023 (latest complete years).