Vacuum cleaner
US-12364377-B2 · Jul 22, 2025 · US
Operations & Transport
Operations & Transport · 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 | B04C5/06 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for modular hydrocyclone
US-12330173-B1 · Jun 17, 2025 · US
Accumulator, optionally in combination with an internal heat exchanger in a shared housing
US-11865895-B2 · Jan 9, 2024 · US
Method and apparatus for hydrocyclone
US-11779937-B1 · Oct 10, 2023 · US
Vacuum cleaner
US-2023172412-A1 · Jun 8, 2023 · US
Cyclone separator and methods of using same
US-11571701-B2 · Feb 7, 2023 · US
Method and apparatus for hydrocyclone
US-11344897-B1 · May 31, 2022 · US
Reverse flow cyclones
US-11229917-B2 · Jan 25, 2022 · US
Accumulator, optionally in combination with an internal heat exchanger in a shared housing
US-2021300149-A1 · Sep 30, 2021 · US
Cyclone separator and methods of using same
US-2021268520-A1 · Sep 2, 2021 · US
Cyclone separator and methods of using same
US-11007542-B2 · May 18, 2021 · US
Dust collector for vacuum cleaner
US-10925452-B2 · Feb 23, 2021 · US
Cyclone separator and methods of using same
US-2020316618-A1 · Oct 8, 2020 · US
Cyclone with guide vanes
US-10792677-B2 · Oct 6, 2020 · US
Dust collector and cleaner having the same
US-10632478-B2 · Apr 28, 2020 · US
Cyclone with guide vanes
US-2020122162-A1 · Apr 23, 2020 · US
Reverse flow cyclones
US-2020001309-A1 · Jan 2, 2020 · US
Dust collector and vacuum cleaner having the same
US-10285551-B2 · May 14, 2019 · US
Dust collector and vacuum cleaner having the same
US-10271701-B2 · Apr 30, 2019 · US
Dust collector and cleaner having the same
US-2019091701-A1 · Mar 28, 2019 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B04C5/06?
- CPC B04C5/06 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B04C5/06 (Operations & Transport)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC B04C5/06 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).