Surface cleaning apparatus, cyclonic air treatment member and surface cleaning apparatus including the same
US-11524306-B2 · Dec 13, 2022 · US
with external rotors, e.g. impeller, ventilator, fan, blower, pump
with external 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 | B04C2009/005 |
| Official title | {with external rotors, e.g. impeller, ventilator, fan, blower, pump} |
| Display label | with external rotors, e.g. impeller, ventilator, fan, blower, pump |
| Total patents | 126 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 19 |
| 2021 | 10 |
| 2022 | 16 |
| 2023 | 24 |
| 2024 | 22 |
| 2025 | 13 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydro excavation vacuum apparatus having deceleration vessels and methods for hydro excavating a site
US-11499290-B2 · Nov 15, 2022 · US
Cyclonic air treatment member and surface cleaning apparatus including the same
US-2022233041-A1 · Jul 28, 2022 · US
Surface cleaning apparatus
US-2022193697-A1 · Jun 23, 2022 · US
Air treatment system
US-2022184433-A1 · Jun 16, 2022 · US
Cyclonic air treatment member and surface cleaning apparatus including the same
US-11304578-B2 · Apr 19, 2022 · US
Ventilation module for a rail vehicle
US-11260405-B2 · Mar 1, 2022 · US
Cleaner
US-2022053986-A1 · Feb 24, 2022 · US
Flow and pressure control in cyclonic filter arrays
US-11247157-B2 · Feb 15, 2022 · US
Surface cleaning apparatus, cyclonic air treatment member and surface cleaning apparatus including the same
US-11219906-B2 · Jan 11, 2022 · US
Surface cleaning apparatus, cyclonic air treatment member and surface cleaning apparatus including the same
US-2022001399-A1 · Jan 6, 2022 · US
Surface cleaning apparatus, cyclonic air treatment member and surface cleaning apparatus including the same
US-11213832-B2 · Jan 4, 2022 · US
Method for collecting dust from single crystal growth system and dust collecting system thereof
US-2021394100-A1 · Dec 23, 2021 · US
Cleaner
US-11191404-B2 · Dec 7, 2021 · US
Hydro excavation vacuum apparatus and fluid storage and supply systems thereof
US-2021332554-A1 · Oct 28, 2021 · US
Cyclonic air treatment member and surface cleaning apparatus including the same
US-11154169-B2 · Oct 26, 2021 · US
Surface cleaning apparatus, cyclonic air treatment member and surface cleaning apparatus including the same
US-11135602-B2 · Oct 5, 2021 · US
Hydro excavation vacuum apparatus and fluid storage and supply systems thereof
US-11085171-B2 · Aug 10, 2021 · US
Dewatering Method And System
US-2021214255-A1 · Jul 15, 2021 · US
Cleaner
US-2021204777-A1 · Jul 8, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B04C2009/005?
- CPC B04C2009/005 is the Cooperative Patent Classification code for “with external rotors, e.g. impeller, ventilator, fan, blower, pump.”
- How many patents are filed under CPC B04C2009/005 (with external rotors, e.g. impeller, ventilator, fan, blower, pump)?
- Our database includes 126 publications tagged with this CPC code.
- Is patent activity under CPC B04C2009/005 growing?
- Publication counts under this code: 22 in 2024 vs 13 in 2025 (latest complete years).