Dual Fuel Fluid Heating Systems and Methods
US-2026016161-A1 · Jan 15, 2026 · US
Flow control devices (F23C7/006 takes precedence)
Flow control devices (F23C7/006 takes precedence) · 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 | F23C7/008 |
| Official title | {Flow control devices (F23C7/006 takes precedence)} |
| Display label | Flow control devices (F23C7/006 takes precedence) |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 9 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Processes and apparatuses for burning a hydrogen fuel and a hydrocarbon fuel
US-12398879-B2 · Aug 26, 2025 · US
Fuel injection assembly having partial direct injectors
US-2025198620-A1 · Jun 19, 2025 · US
Combustor with a dilution passage
US-2025067435-A1 · Feb 27, 2025 · US
Fan assisted personal heater device
US-2024418407-A1 · Dec 19, 2024 · US
Adjustable burner nozzle for multiple fuels
US-2024344695-A1 · Oct 17, 2024 · US
Burner Device with Primary Air Chamber, Staged Air Chamber, and Tertiary Air Chamber
US-2024344693-A1 · Oct 17, 2024 · US
Combustor with a dilution passage
US-2024318821-A1 · Sep 26, 2024 · US
Cement kiln burner and method for operating same
US-2024085016-A1 · Mar 14, 2024 · US
Monitoring and maintaining flare tip temperatures
US-2024011632-A1 · Jan 11, 2024 · US
Processes and apparatuses for burning a hydrogen fuel and a hydrocarbon fuel
US-2023288058-A1 · Sep 14, 2023 · US
Processes and apparatuses for burning a hydrogen fuel and a hydrocarbon fuel
US-2023288057-A1 · Sep 14, 2023 · US
Controlling soot
US-11732659-B2 · Aug 22, 2023 · US
Low NOx burner with bypass conduit
US-11649960-B2 · May 16, 2023 · US
Controlling soot
US-2023080006-A1 · Mar 16, 2023 · US
Water heater
US-11512871-B2 · Nov 29, 2022 · US
Swirl-pintle injector for oxy-coal combustor
US-2022349572-A1 · Nov 3, 2022 · US
Low nox burner with bypass conduit
US-2022316700-A1 · Oct 6, 2022 · US
Fuel nozzle for gas turbine engine combustor
US-2022026068-A1 · Jan 27, 2022 · US
Fuel nozzle for gas turbine engine combustor
US-11175045-B2 · Nov 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23C7/008?
- CPC F23C7/008 is the Cooperative Patent Classification code for “Flow control devices (F23C7/006 takes precedence).”
- How many patents are filed under CPC F23C7/008 (Flow control devices (F23C7/006 takes precedence))?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC F23C7/008 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).