Compressor and freezer
US-12553440-B2 · Feb 17, 2026 · US
having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04C18/30 |
| Official title | having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members |
| Display label | having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members |
| Total patents | 17 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12553440-B2 · Feb 17, 2026 · US
US-12359665-B2 · Jul 15, 2025 · US
US-2025052241-A1 · Feb 13, 2025 · US
US-2024229795-A1 · Jul 11, 2024 · US
US-2023296095-A1 · Sep 21, 2023 · US
US-2023279875-A1 · Sep 7, 2023 · US
US-2022213892-A1 · Jul 7, 2022 · US
US-11067077-B2 · Jul 20, 2021 · US
US-11018535-B2 · May 25, 2021 · US
US-2019249664-A1 · Aug 15, 2019 · US
US-2018355866-A1 · Dec 13, 2018 · US
US-2018248428-A1 · Aug 30, 2018 · US
US-2018058453-A1 · Mar 1, 2018 · US
US-9748815-B2 · Aug 29, 2017 · US
US-2016281698-A1 · Sep 29, 2016 · US
US-2015244238-A1 · Aug 27, 2015 · US
US-2015159649-A1 · Jun 11, 2015 · US