Redundant systems for vehicle critical systems
US-2020317361-A1 · Oct 8, 2020 · US
Mechanical Engineering
Mechanical Engineering · 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 | F23L7/00 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 87 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 9 |
| 2017 | 10 |
| 2018 | 13 |
| 2019 | 14 |
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combustion apparatus, and heating furnace using same
US-10551125-B2 · Feb 4, 2020 · US
Method and device for heating object to be heated
US-2020016652-A1 · Jan 16, 2020 · US
Low NOx burner with exhaust gas recycle and partial premix
US-10533741-B2 · Jan 14, 2020 · US
Fuel staging in a gas turbine engine
US-10480792-B2 · Nov 19, 2019 · US
Combustion device and gas turbine
US-2019345873-A1 · Nov 14, 2019 · US
Flexible fuel combustion system for turbine engines
US-10443855-B2 · Oct 15, 2019 · US
Combustion method for low velocity reactant streams
US-10392284-B2 · Aug 27, 2019 · US
Ozone supply unit and method for providing ozone for a flame burner apparatus and/or for an oxygen cutting apparatus
US-2019255645-A1 · Aug 22, 2019 · US
Burner flame control
US-10364983-B2 · Jul 30, 2019 · US
Low nitrogen oxide emission water heater
US-10330052-B2 · Jun 25, 2019 · US
Low NOx Burner with Exhaust Gas Recycle and Partial Premix
US-2019186732-A1 · Jun 20, 2019 · US
Method and apparatus for controlling inlet temperature of dedusting apparatus in oxygen combustion boiler equipment
US-10302301-B2 · May 28, 2019 · US
METHOD FOR MINIMIZING NOx EMISSIONS DURING POX BASED SYNGAS PLANT STARTUP
US-2019113223-A1 · Apr 18, 2019 · US
Pure oxygen direct combustion system using liquid metal
US-10240786-B2 · Mar 26, 2019 · US
Method and gas turbine combustion system for safely mixing H2-rich fuels with air
US-10208958-B2 · Feb 19, 2019 · US
Low-NOx combustion method
US-10184659-B2 · Jan 22, 2019 · US
Low nitrogen oxide emission water heater
US-2019003426-A1 · Jan 3, 2019 · US
System and method for diffusion combustion with fuel-diluent mixing in a stoichiometric exhaust gas recirculation gas turbine system
US-10161312-B2 · Dec 25, 2018 · US
Material utilization with an electropositive metal
US-10151481-B2 · Dec 11, 2018 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23L7/00?
- CPC F23L7/00 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F23L7/00 (Mechanical Engineering)?
- Our database includes 87 publications tagged with this CPC code.
- Is patent activity under CPC F23L7/00 growing?
- Publication counts under this code: 4 in 2024 vs 11 in 2025 (latest complete years).