Refrigerant flow path switching unit and air conditioner including the same
US-2021396400-A1 · Dec 23, 2021 · US
Protection means thereof, e.g. covers for refrigerant pipes
Protection means thereof, e.g. covers for refrigerant pipes · 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 | F24F1/34 |
| Official title | Protection means thereof, e.g. covers for refrigerant pipes |
| Display label | Protection means thereof, e.g. covers for refrigerant pipes |
| Total patents | 94 |
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 | 2 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 4 |
| 2019 | 7 |
| 2020 | 24 |
| 2021 | 15 |
| 2022 | 9 |
| 2023 | 9 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Switching device for multi-split air conditioner and multi-split air conditioner having same
US-11175063-B2 · Nov 16, 2021 · US
Heat exchanger
US-2021270473-A1 · Sep 2, 2021 · US
Air-conditioning unit
US-2021164703-A1 · Jun 3, 2021 · US
Air conditioner
US-2021164698-A1 · Jun 3, 2021 · US
Refrigeration cycle apparatus
US-2021163804-A1 · Jun 3, 2021 · US
Air conditioner
US-2021164701-A1 · Jun 3, 2021 · US
Air conditioner and pipe installation apparatus therefor
US-2021156576-A1 · May 27, 2021 · US
Cover Panels for Climate Control System Housings and Methods Related Thereto
US-2021095887-A1 · Apr 1, 2021 · US
Outdoor unit for air conditioning device
US-10962240-B2 · Mar 30, 2021 · US
System and method for sealing and supporting external pipe connections in fluid lines and directing escaped fluids to a cabinet in an hvac system
US-2021088242-A1 · Mar 25, 2021 · US
Refrigeration cycle apparatus
US-2021018189-A1 · Jan 21, 2021 · US
Refrigeration cycle apparatus
US-2021003323-A1 · Jan 7, 2021 · US
Compressor
US-2020393175-A1 · Dec 17, 2020 · US
Refrigeration cycle apparatus
US-2020392389-A1 · Dec 17, 2020 · US
Compressor
US-2020393176-A1 · Dec 17, 2020 · US
Heat exchange unit
US-2020386459-A1 · Dec 10, 2020 · US
Air conditioning apparatus
US-2020378662-A1 · Dec 3, 2020 · US
Refrigeration cycle apparatus
US-2020362215-A1 · Nov 19, 2020 · US
Refrigeration cycle apparatus
US-2020340714-A1 · Oct 29, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F1/34?
- CPC F24F1/34 is the Cooperative Patent Classification code for “Protection means thereof, e.g. covers for refrigerant pipes.”
- How many patents are filed under CPC F24F1/34 (Protection means thereof, e.g. covers for refrigerant pipes)?
- Our database includes 94 publications tagged with this CPC code.
- Is patent activity under CPC F24F1/34 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).