Compressor, air conditioning system and air conditioner
US-2025320872-A1 · Oct 16, 2025 · US
with vanes hinged to the outer member and reciprocating with respect to the outer member
with vanes hinged to the outer member and reciprocating with respect to the outer member · 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 | F04C18/322 |
| Official title | {with vanes hinged to the outer member and reciprocating with respect to the outer member} |
| Display label | with vanes hinged to the outer member and reciprocating with respect to the outer member |
| Total patents | 62 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 7 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 9 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary compressor and refrigeration apparatus
US-2025320870-A1 · Oct 16, 2025 · US
Rotary compressor and refrigeration device
US-12421967-B2 · Sep 23, 2025 · US
Compressor and refrigeration device
US-12338822-B2 · Jun 24, 2025 · US
Rotary compressor and refrigeration device
US-2025043784-A1 · Feb 6, 2025 · US
Method using refrigerant for compressor, compressor, and refrigeration cycle apparatus
US-2025043787-A1 · Feb 6, 2025 · US
Compressor and air conditioner
US-2025043783-A1 · Feb 6, 2025 · US
Compressor and refrigeration device
US-2025020124-A1 · Jan 16, 2025 · US
Compressor and refrigeration cycle device
US-12117214-B2 · Oct 15, 2024 · US
Compressor
US-12049888-B2 · Jul 30, 2024 · US
Moving part, compressor, and manufacturing method thereof
US-12038005-B2 · Jul 16, 2024 · US
Air conditioner and compressor
US-11953008-B2 · Apr 9, 2024 · US
Rotary compressor with backflow suppresion mechanism for an introduction path
US-11906060-B2 · Feb 20, 2024 · US
Rotary compressor
US-11835044-B2 · Dec 5, 2023 · US
Moving part, compressor, and manufacturing method thereof
US-2023250821-A1 · Aug 10, 2023 · US
Compressor and air conditioner system
US-11713888-B2 · Aug 1, 2023 · US
Compressor having sliding portion provided with oil retainer
US-11668308-B2 · Jun 6, 2023 · US
Compressor
US-2023160383-A1 · May 25, 2023 · US
Muffler for a compression mechanism of a rotary compressor
US-11585343-B2 · Feb 21, 2023 · US
Compressor having casing and temperature detector thereon
US-11506206-B2 · Nov 22, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C18/322?
- CPC F04C18/322 is the Cooperative Patent Classification code for “with vanes hinged to the outer member and reciprocating with respect to the outer member.”
- How many patents are filed under CPC F04C18/322 (with vanes hinged to the outer member and reciprocating with respect to the outer member)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC F04C18/322 growing?
- Publication counts under this code: 5 in 2024 vs 9 in 2025 (latest complete years).