Compositions and methods for removing soil from surfaces
US-2025223522-A1 · Jul 10, 2025 · US
the loose articles or bulk material travelling gradually through a drum or other container, e.g. by helix or gravity
the loose articles or bulk material travelling gradually through a drum or other container, e.g. by helix or gravity · 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 | B08B3/042 |
| Official title | {the loose articles or bulk material travelling gradually through a drum or other container, e.g. by helix or gravity} |
| Display label | the loose articles or bulk material travelling gradually through a drum or other container, e.g. by helix or gravity |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aggregate washing systems, methods, and apparatus
US-2025187020-A1 · Jun 12, 2025 · US
Aggregate washing systems, methods, and apparatus
US-12263486-B2 · Apr 1, 2025 · US
System and method for salt removal from solid media
US-12257607-B2 · Mar 25, 2025 · US
Compositions and methods for removing soil from surfaces
US-12221594-B2 · Feb 11, 2025 · US
Material washing apparatus
US-12048952-B2 · Jul 30, 2024 · US
System and method for salt removal from solid media
US-2024109105-A1 · Apr 4, 2024 · US
Aggregate washing systems, methods, and apparatus
US-2024082852-A1 · Mar 14, 2024 · US
Aggregate washing systems, methods, and apparatus
US-11850603-B2 · Dec 26, 2023 · US
Substrate processing apparatus
US-11742223-B2 · Aug 29, 2023 · US
Compositions and methods for removing soil from surfaces
US-2023124683-A1 · Apr 20, 2023 · US
System and method for treating biomass material
US-11565272-B2 · Jan 31, 2023 · US
Compositions and methods for removing soil from surfaces
US-11566207-B2 · Jan 31, 2023 · US
Aggregate washing systems, methods and apparatus
US-11565271-B2 · Jan 31, 2023 · US
First cleaning apparatus, cleaning equipment including the same, and cleaning method
US-11488844-B2 · Nov 1, 2022 · US
Aggregate washing systems, methods, and apparatus
US-2022212200-A1 · Jul 7, 2022 · US
Material washing apparatus
US-2021379630-A1 · Dec 9, 2021 · US
Compositions and methods for removing soil from surfaces
US-2021355413-A1 · Nov 18, 2021 · US
First cleaning apparatus, cleaning equipment including the same, and cleaning method
US-2021242041-A1 · Aug 5, 2021 · US
System and method for treating biomass material
US-2020346222-A1 · Nov 5, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B08B3/042?
- CPC B08B3/042 is the Cooperative Patent Classification code for “the loose articles or bulk material travelling gradually through a drum or other container, e.g. by helix or gravity.”
- How many patents are filed under CPC B08B3/042 (the loose articles or bulk material travelling gradually through a drum or other container, e.g. by helix or gravity)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC B08B3/042 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).