Dust collector and vacuum cleaner having the same
US-10517453-B2 · Dec 31, 2019 · US
Multiple arrangement thereof {(combined with types according to other groups, B04C7/00)}
Multiple arrangement thereof {(combined with types according to other groups, B04C7/00)} · 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 | B04C3/04 |
| Official title | Multiple arrangement thereof {(combined with types according to other groups, B04C7/00)} |
| Display label | Multiple arrangement thereof {(combined with types according to other groups, B04C7/00)} |
| Total patents | 108 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 15 |
| 2017 | 14 |
| 2018 | 11 |
| 2019 | 11 |
| 2020 | 13 |
| 2021 | 4 |
| 2022 | 9 |
| 2023 | 5 |
| 2024 | 7 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dust collector for vacuum cleaner
US-10492652-B2 · Dec 3, 2019 · US
Distributor device for cyclone separator apparatus
US-2019358652-A1 · Nov 28, 2019 · US
Separation device
US-2019321833-A1 · Oct 24, 2019 · US
Cleaner
US-2019231153-A1 · Aug 1, 2019 · US
Apparatus and process for gas-solids separation
US-2019099766-A1 · Apr 4, 2019 · US
Dust collector and cleaner having the same
US-2019091701-A1 · Mar 28, 2019 · US
Dust collector and cleaner having the same
US-2019091702-A1 · Mar 28, 2019 · US
Tangential air cleaner with coiled filter cartridge
US-2018290153-A1 · Oct 11, 2018 · US
Engine air cleaner
US-2018266371-A1 · Sep 20, 2018 · US
Oil-separating device, in particular for a crankcase ventilation system of an internal combustion engine
US-10066524-B2 · Sep 4, 2018 · US
Separator assembly for a gas turbine engine
US-10036319-B2 · Jul 31, 2018 · US
Apparatus, methods and systems for separating particles from air and fluids
US-2018207651-A1 · Jul 26, 2018 · US
Dust collector for vacuum cleaner
US-9955837-B2 · May 1, 2018 · US
Dust collector and vacuum cleaner having the same
US-9943202-B2 · Apr 17, 2018 · US
Cyclone separator as well as filtering device with cyclone separator
US-9937457-B2 · Apr 10, 2018 · US
Dust collector and vacuum cleaner having the same
US-2018055317-A1 · Mar 1, 2018 · US
Hood of a Multi Cyclone Block of an Air Cleaner And Air Cleaner
US-2018010556-A1 · Jan 11, 2018 · US
Dust collector for vacuum cleaner
US-2018000302-A1 · Jan 4, 2018 · US
Cyclonic separator having stacked cyclones
US-9849468-B2 · Dec 26, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B04C3/04?
- CPC B04C3/04 is the Cooperative Patent Classification code for “Multiple arrangement thereof {(combined with types according to other groups, B04C7/00)}.”
- How many patents are filed under CPC B04C3/04 (Multiple arrangement thereof {(combined with types according to other groups, B04C7/00)})?
- Our database includes 108 publications tagged with this CPC code.
- Is patent activity under CPC B04C3/04 growing?
- Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).