Rotor assembly, compressor and air conditioner
US-12188472-B2 · Jan 7, 2025 · US
with dissimilar tooth forms (F04C18/16 takes precedence) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04C18/20 |
| Official title | with dissimilar tooth forms (F04C18/16 takes precedence) |
| Display label | with dissimilar tooth forms (F04C18/16 takes precedence) |
| Total patents | 20 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12188472-B2 · Jan 7, 2025 · US
US-11994031-B2 · May 28, 2024 · US
US-2024110565-A1 · Apr 4, 2024 · US
US-11873817-B2 · Jan 16, 2024 · US
US-2024003255-A1 · Jan 4, 2024 · US
US-11725658-B2 · Aug 15, 2023 · US
US-2022403845-A1 · Dec 22, 2022 · US
US-11313370-B2 · Apr 26, 2022 · US
US-2021372401-A1 · Dec 2, 2021 · US
US-11009025-B2 · May 18, 2021 · US
US-2020386231-A1 · Dec 10, 2020 · US
US-10662947-B2 · May 26, 2020 · US
US-2019241169-A1 · Aug 8, 2019 · US
US-10288070-B2 · May 14, 2019 · US
US-2019128264-A1 · May 2, 2019 · US
US-2018023571-A1 · Jan 25, 2018 · US
US-2017356448-A1 · Dec 14, 2017 · US
US-9657735-B2 · May 23, 2017 · US
US-2017122318-A1 · May 4, 2017 · US
US-2015211517-A1 · Jul 30, 2015 · US