Dirt separation device
US-2022400920-A1 · Dec 22, 2022 · US
forming an integral part of the vortex chamber
forming an integral part of the vortex chamber · 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 | B04C5/187 |
| Official title | forming an integral part of the vortex chamber |
| Display label | forming an integral part of the vortex chamber |
| Total patents | 93 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 7 |
| 2019 | 11 |
| 2020 | 19 |
| 2021 | 4 |
| 2022 | 13 |
| 2023 | 9 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Surface cleaning apparatus
US-2022184640-A1 · Jun 16, 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-11213832-B2 · Jan 4, 2022 · US
Long life air filter
US-11135537-B2 · Oct 5, 2021 · US
Surface cleaning apparatus, cyclonic air treatment member and surface cleaning apparatus including the same
US-11135602-B2 · Oct 5, 2021 · US
Cyclone assembly for surface cleaning apparatus and a surface cleaning apparatus having same
US-10966582-B2 · Apr 6, 2021 · US
Multi cyclone array for surface cleaning apparatus and a surface cleaning apparatus having same
US-10882059-B2 · Jan 5, 2021 · US
Suction Apparatus
US-2020353484-A1 · Nov 12, 2020 · US
Cyclonic air treatment member and surface cleaning apparatus including the same
US-10828649-B2 · Nov 10, 2020 · US
Multi cyclone array for surface cleaning apparatus and a surface cleaning apparatus having same
US-10828650-B2 · Nov 10, 2020 · US
Cyclone dust collector and vacuum cleaner having the same
US-10813512-B2 · Oct 27, 2020 · US
Surface cleaning apparatus
US-2020324303-A1 · Oct 15, 2020 · US
Separation device
US-10758921-B2 · Sep 1, 2020 · US
Cyclonic air treatment member and surface cleaning apparatus including the same
US-2020230617-A1 · Jul 23, 2020 · US
Surface cleaning apparatus, cyclonic air treatment member and surface cleaning apparatus including the same
US-2020230620-A1 · Jul 23, 2020 · US
Surface cleaning apparatus, cyclonic air treatment member and surface cleaning apparatus including the same
US-2020230619-A1 · Jul 23, 2020 · US
Surface cleaning apparatus, cyclonic air treatment member and surface cleaning apparatus including the same
US-2020230618-A1 · Jul 23, 2020 · US
A dirt separation device
US-2020170467-A1 · Jun 4, 2020 · US
A surface cleaning apparatus
US-2020129023-A1 · Apr 30, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B04C5/187?
- CPC B04C5/187 is the Cooperative Patent Classification code for “forming an integral part of the vortex chamber.”
- How many patents are filed under CPC B04C5/187 (forming an integral part of the vortex chamber)?
- Our database includes 93 publications tagged with this CPC code.
- Is patent activity under CPC B04C5/187 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).