Air conditioner
US-2024183593-A1 · Jun 6, 2024 · US
of indoor units
of indoor units · 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 | F24F11/43 |
| Official title | of indoor units |
| Display label | of indoor units |
| Total patents | 91 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 5 |
| 2022 | 19 |
| 2023 | 8 |
| 2024 | 19 |
| 2025 | 9 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Control systems and methods for preventing evaporator coil freeze
US-2023400237-A1 · Dec 14, 2023 · US
Heat exchanger and air conditioner
US-11828477-B2 · Nov 28, 2023 · US
Control systems and methods for preventing evaporator coil freeze
US-11781793-B2 · Oct 10, 2023 · US
Avoiding Coil Freeze in HVAC Systems
US-2023288087-A1 · Sep 14, 2023 · US
Air conditioner
US-2023250976-A1 · Aug 10, 2023 · US
Avoiding coil freeze in HVAC systems
US-11703242-B2 · Jul 18, 2023 · US
Air cooled chiller hydronic kit
US-11674710-B2 · Jun 13, 2023 · US
Defrosting control device, air conditioner and defrosting control method therefor
US-11584192-B2 · Feb 21, 2023 · US
Method for cleaning air conditioner and air conditioner
US-2022412592-A1 · Dec 29, 2022 · US
Avoiding coil freeze in hvac systems
US-2022412593-A1 · Dec 29, 2022 · US
Alternative defrost mode of HVAC system
US-11493221-B2 · Nov 8, 2022 · US
Air conditioner and method for controlling same
US-2022316732-A1 · Oct 6, 2022 · US
Avoiding coil freeze in HVAC systems
US-11460207-B2 · Oct 4, 2022 · US
Air conditioner and self-cleaning control method therefor and device thereof, and computer readable storage medium
US-2022282878-A1 · Sep 8, 2022 · US
System and method for high ventilation of outdoor air
US-2022282886-A1 · Sep 8, 2022 · US
Alternative feedback usage for hvac system
US-2022205660-A1 · Jun 30, 2022 · US
Indoor unit of air conditioner
US-2022186976-A1 · Jun 16, 2022 · US
Control systems and methods for preventing evaporator coil freeze
US-2022186996-A1 · Jun 16, 2022 · US
Heat pump with simultaneous cooling and defrosting of heat exchangers arranged in parallel
US-11333411-B2 · May 17, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F11/43?
- CPC F24F11/43 is the Cooperative Patent Classification code for “of indoor units.”
- How many patents are filed under CPC F24F11/43 (of indoor units)?
- Our database includes 91 publications tagged with this CPC code.
- Is patent activity under CPC F24F11/43 growing?
- Publication counts under this code: 19 in 2024 vs 9 in 2025 (latest complete years).