Cleaner
US-2026053315-A1 · Feb 26, 2026 · US
with internal rotors, e.g. impeller, ventilator, fan, blower, pump
with internal rotors, e.g. impeller, ventilator, fan, blower, pump · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B04C2009/007 |
| Official title | {with internal rotors, e.g. impeller, ventilator, fan, blower, pump} |
| Display label | with internal rotors, e.g. impeller, ventilator, fan, blower, pump |
| Total patents | 47 |
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 | 5 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 4 |
| 2020 | 7 |
| 2021 | 2 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluid purification apparatus and power device comprising same
US-2025128273-A1 · Apr 24, 2025 · US
Separation device and separation system
US-2024375025-A1 · Nov 14, 2024 · US
Apparatus for automatically separating fine-sized seeds
US-12102040-B2 · Oct 1, 2024 · US
Dust collector and cleaner having the same
US-12059122-B2 · Aug 13, 2024 · US
Apparatus for automatically separating fine-sized seeds
US-2024074355-A1 · Mar 7, 2024 · US
High-stability shale gas desanding device with gravel storage mechanism
US-11857902-B2 · Jan 2, 2024 · US
Separation device and separation system
US-2023226561-A1 · Jul 20, 2023 · US
Dust collector and cleaner having the same
US-2023022866-A1 · Jan 26, 2023 · US
High-stability shale gas desanding device with gravel storage mechanism
US-2023027306-A1 · Jan 26, 2023 · US
Centrifugal oil mist separator
US-11555428-B2 · Jan 17, 2023 · US
Cleaner
US-11160428-B2 · Nov 2, 2021 · US
Centrifugal oil mist separator
US-2021189932-A1 · Jun 24, 2021 · US
Cyclone dust collector and vacuum cleaner having the same
US-10813512-B2 · Oct 27, 2020 · US
Cyclone dust collector and vacuum cleaning device
US-10729298-B2 · Aug 4, 2020 · US
Centrifugal separator having a vortex generator
US-10710101-B2 · Jul 14, 2020 · US
Apparatus and process for gas-solids separation
US-10688504-B2 · Jun 23, 2020 · US
Apparatus for separating particles from an airflow
US-10555651-B2 · Feb 11, 2020 · US
Cyclone dust collector and vacuum cleaner having the same
US-10537220-B2 · Jan 21, 2020 · US
Cleaner
US-2020008636-A1 · Jan 9, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B04C2009/007?
- CPC B04C2009/007 is the Cooperative Patent Classification code for “with internal rotors, e.g. impeller, ventilator, fan, blower, pump.”
- How many patents are filed under CPC B04C2009/007 (with internal rotors, e.g. impeller, ventilator, fan, blower, pump)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC B04C2009/007 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).