Electrical heater radiant box purge and pressure relief
US-2024310044-A1 · Sep 19, 2024 · US
heated by electrical means
heated by electrical means · 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 | F23D11/448 |
| Official title | {heated by electrical means} |
| Display label | heated by electrical means |
| Total patents | 31 |
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 | 5 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 2 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Control method for a catalytic combustion apparatus and a catalytic combustion system
US-11898750-B2 · Feb 13, 2024 · US
Fuel combustion system with a perforated reaction holder
US-11156356-B2 · Oct 26, 2021 · US
Control method for a catalytic combustion apparatus and a catalytic combustion system
US-2021262662-A1 · Aug 26, 2021 · US
Heater
US-10584869-B2 · Mar 10, 2020 · US
Fuel combustion system with a perforated reaction holder
US-2019277492-A1 · Sep 12, 2019 · US
Fuel combustion system with a perforated reaction holder
US-10337729-B2 · Jul 2, 2019 · US
Perforated flame holder support structure with heating element
US-2019137096-A1 · May 9, 2019 · US
Startup method and mechanism for a burner having a perforated flame holder
US-2019003705-A1 · Jan 3, 2019 · US
Startup method and mechanism for a burner having a perforated flame holder
US-10077899-B2 · Sep 18, 2018 · US
Combustion chamber assembly unit for a vaporizing burner
US-9897311-B2 · Feb 20, 2018 · US
Fuel combustion system with a perforated reaction holder
US-2018003378-A1 · Jan 4, 2018 · US
Fuel combustion system with a perforated reaction holder
US-9797595-B2 · Oct 24, 2017 · US
Method for controlling a fuel heater
US-9587604-B2 · Mar 7, 2017 · US
Burner with a series of fuel gas ejectors and a perforated flame holder
US-9562682-B2 · Feb 7, 2017 · US
Burner with a perforated reaction holder and heating apparatus
US-9447965-B2 · Sep 20, 2016 · US
Fireplace of combusting gasified liquid fuel
US-9388989-B2 · Jul 12, 2016 · US
Method for flame location transition from a start-up location to a perforated flame holder
US-9388981-B2 · Jul 12, 2016 · US
Burner with a perforated flame holder and pre-heat apparatus
US-9377190-B2 · Jun 28, 2016 · US
Burner
US-9285114-B2 · Mar 15, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23D11/448?
- CPC F23D11/448 is the Cooperative Patent Classification code for “heated by electrical means.”
- How many patents are filed under CPC F23D11/448 (heated by electrical means)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC F23D11/448 growing?
- Publication counts under this code: 2 in 2021 vs 2 in 2024 (latest complete years).