Removal of sand impurities in wet processing
US-2022380246-A1 · Dec 1, 2022 · US
while the mixtures are supported by sieves, screens, or like mechanical elements
while the mixtures are supported by sieves, screens, or like mechanical elements · 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 | B07B4/08 |
| Official title | while the mixtures are supported by sieves, screens, or like mechanical elements |
| Display label | while the mixtures are supported by sieves, screens, or like mechanical elements |
| Total patents | 74 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 13 |
| 2021 | 12 |
| 2022 | 9 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas-solid fluidized bed dry beneficiation process using beneficiation density gradient
US-11484913-B2 · Nov 1, 2022 · US
Method for processing electronic/electrical device component scraps
US-2022176412-A1 · Jun 9, 2022 · US
Method for processing electronic and electric device component scraps
US-2022176410-A1 · Jun 9, 2022 · US
Separation device and fiber body deposition apparatus
US-11311912-B2 · Apr 26, 2022 · US
Partially-unlouvered sieve mechanism
US-2022030771-A1 · Feb 3, 2022 · US
System and process for sorting and recovery of recyclable materials from mixed waste
US-2021402439-A1 · Dec 30, 2021 · US
Separating apparatus for polysilicon
US-11154908-B2 · Oct 26, 2021 · US
Apparatus and method for the dry separation of particles
US-11148171-B2 · Oct 19, 2021 · US
Bulk material cleaner with integrated air separator, and bulk material cleaner with a hollow support frame
US-2021308721-A1 · Oct 7, 2021 · US
Recovering sand, bentonite and organics from foundry sand waste
US-2021292224-A1 · Sep 23, 2021 · US
System and process for sorting and recovery of recyclable materials from mixed waste
US-11117169-B2 · Sep 14, 2021 · US
Incinerated-ash treatment device and treatment method
US-11014092-B2 · May 25, 2021 · US
Harvesting machine having a secondary cleaning system
US-10999972-B2 · May 11, 2021 · US
System and process for sorting and recovery of recyclable materials from mixed waste
US-2021060618-A1 · Mar 4, 2021 · US
Process for reforming the fly ash
US-2021032163-A1 · Feb 4, 2021 · US
Method for processing electronic and electrical device component scrap
US-2021017626-A1 · Jan 21, 2021 · US
Powder processing apparatus for classifying and degassing
US-10894240-B2 · Jan 19, 2021 · US
System and process for sorting and recovery of recyclable materials from mixed waste
US-10835927-B2 · Nov 17, 2020 · US
Coupled system and method for the separation and drying of moist fine particle coal
US-10821477-B2 · Nov 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B07B4/08?
- CPC B07B4/08 is the Cooperative Patent Classification code for “while the mixtures are supported by sieves, screens, or like mechanical elements.”
- How many patents are filed under CPC B07B4/08 (while the mixtures are supported by sieves, screens, or like mechanical elements)?
- Our database includes 74 publications tagged with this CPC code.
- Is patent activity under CPC B07B4/08 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).