Integrated zone control system
US-12264842-B2 · Apr 1, 2025 · US
for cyclical variation of air flow rate or air velocity
for cyclical variation of air flow rate or air velocity · 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 | F24F11/755 |
| Official title | for cyclical variation of air flow rate or air velocity |
| Display label | for cyclical variation of air flow rate or air velocity |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 10 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Control system of damper of variable-air-volume air distributor and control method thereof
US-12129010-B2 · Oct 29, 2024 · US
Environmental equipment control apparatus and environmental equipment control system
US-12085298-B2 · Sep 10, 2024 · US
Air purifier
US-2024240815-A1 · Jul 18, 2024 · US
Air-conditioner, air-conditioning system, and method for monitoring air-conditioner
US-11976831-B2 · May 7, 2024 · US
Air-conditioner, air-conditioning system, and method for monitoring air-conditioner
US-2023107694-A1 · Apr 6, 2023 · US
Anomaly detection based on airflow alerters
US-11585557-B2 · Feb 21, 2023 · US
Environmental equipment control apparatus and environmental equipment control system
US-2022357064-A1 · Nov 10, 2022 · US
Indoor unit for air conditioner
US-11493231-B2 · Nov 8, 2022 · US
Control system of damper of variable-air-volume air distributor and control method thereof
US-2022306265-A1 · Sep 29, 2022 · US
Environmental equipment control apparatus and environmental equipment control system
US-11428431-B2 · Aug 30, 2022 · US
Air conditioner
US-11408617-B2 · Aug 9, 2022 · US
Indoor unit of air conditioner
US-2022186976-A1 · Jun 16, 2022 · US
Indoor unit for air conditioner
US-2022178581-A1 · Jun 9, 2022 · US
Furnace control systems and methods
US-11320213-B2 · May 3, 2022 · US
Wakefulness inducing device and wakefulness inducing system
US-11318811-B2 · May 3, 2022 · US
Anomaly detection based on airflow alerters
US-2022003449-A1 · Jan 6, 2022 · US
Environmental control system and environmental control method
US-2021396419-A1 · Dec 23, 2021 · US
Integrated zone control system
US-2021372636-A1 · Dec 2, 2021 · US
Environmental equipment control apparatus and environmental equipment control system
US-2021318015-A1 · Oct 14, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F11/755?
- CPC F24F11/755 is the Cooperative Patent Classification code for “for cyclical variation of air flow rate or air velocity.”
- How many patents are filed under CPC F24F11/755 (for cyclical variation of air flow rate or air velocity)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC F24F11/755 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).