Electronic control device and flow rate measurement system
US-12578091-B2 · Mar 17, 2026 · US
pivoted about a single axis but having not other movement (formed as linked slats each pivoted about an axis F23L13/08)
pivoted about a single axis but having not other movement (formed as linked slats each pivoted about an axis F23L13/08) · 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 | F23L13/02 |
| Official title | pivoted about a single axis but having not other movement (formed as linked slats each pivoted about an axis F23L13/08) |
| Display label | pivoted about a single axis but having not other movement (formed as linked slats each pivoted about an axis F23L13/08) |
| Total patents | 37 |
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 | 5 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 3 |
| 2022 | 5 |
| 2023 | 3 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flexible anti-backflow damper for a fireplace system
US-2026049715-A1 · Feb 19, 2026 · US
Premixing apparatus
US-2025189124-A1 · Jun 12, 2025 · US
Electronic Control Device and Flow Rate Measurement System
US-2023408087-A1 · Dec 21, 2023 · US
Velocity damper for a recovery boiler
US-11719433-B2 · Aug 8, 2023 · US
Flue damper having a float coupled to a damper gate
US-11703221-B2 · Jul 18, 2023 · US
Heat source device
US-11512874-B2 · Nov 29, 2022 · US
Flue damper having a float coupled to a damper gate
US-2022082252-A1 · Mar 17, 2022 · US
Velocity damper for a recovery boiler
US-2022065447-A1 · Mar 3, 2022 · US
Oil boiler
US-11255574-B2 · Feb 22, 2022 · US
Velocity damper for a recovery boiler
US-11226095-B2 · Jan 18, 2022 · US
Oil boiler
US-2020348047-A1 · Nov 5, 2020 · US
Heat source device
US-2020309412-A1 · Oct 1, 2020 · US
Velocity damper for a recovery boiler
US-2020240635-A1 · Jul 30, 2020 · US
Water heater
US-10480821-B2 · Nov 19, 2019 · US
Combustion apparatus
US-10422527-B2 · Sep 24, 2019 · US
Furnace inducer choke and a gas furnace employing the same
US-10337727-B2 · Jul 2, 2019 · US
Reverse flow prevention apparatus for common exhaust flue and combustion apparatus having same
US-10281149-B2 · May 7, 2019 · US
Method and burner using the curie effect for controlling reactant velocity for operation in pre-heated and non-pre-heated modes
US-10222061-B2 · Mar 5, 2019 · US
Dual venturi for combustor
US-10215404-B2 · Feb 26, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23L13/02?
- CPC F23L13/02 is the Cooperative Patent Classification code for “pivoted about a single axis but having not other movement (formed as linked slats each pivoted about an axis F23L13/08).”
- How many patents are filed under CPC F23L13/02 (pivoted about a single axis but having not other movement (formed as linked slats each pivoted about an axis F23L13/08))?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC F23L13/02 growing?
- Publication counts under this code: 3 in 2023 vs 1 in 2025 (latest complete years).