Gas flow separation of powdered metal
US-2025319491-A1 · Oct 16, 2025 · US
while the mixtures fall
while the mixtures fall · 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 | B07B4/02 |
| Official title | while the mixtures fall |
| Display label | while the mixtures fall |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 2 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 8 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for particle classification
US-2025303449-A1 · Oct 2, 2025 · US
Feather separation system and feather separation method, and method for producing recycled feathers
US-12303943-B2 · May 20, 2025 · US
Method for processing electronic/electrical device component scraps
US-11819885-B2 · Nov 21, 2023 · US
Feather separation system and feather separation method, and method for producing recycled feathers
US-2023347383-A1 · Nov 2, 2023 · US
Separation device
US-11612896-B2 · Mar 28, 2023 · US
System for feeding granulated substance and feeding method used therein
US-11484057-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
Classifying and purifying apparatus of solid blowing agents and methods of classifying and purifying solid blowing agents
US-11325159-B2 · May 10, 2022 · US
Separation device
US-2022118462-A1 · Apr 21, 2022 · US
Color conversion layer, manufacturing method thereof, and display panel
US-11056661-B2 · Jul 6, 2021 · US
Classifying and purifying apparatus of solid blowing agents and methods of classifying and purifying solid blowing agents
US-2021154705-A1 · May 27, 2021 · US
System for feeding granulated substance and feeding method used therein
US-2021106045-A1 · Apr 15, 2021 · US
Piezoelectric valve, method for driving piezoelectric valve, and optical particulate separator equipped with air-jet means using piezoelectric valve
US-10738905-B2 · Aug 11, 2020 · US
Color conversion layer, manufacturing method thereof, and display panel
US-2020251675-A1 · Aug 6, 2020 · US
Classifying device for classifying a granular material flow
US-10632503-B2 · Apr 28, 2020 · US
Device and method for sorting objects
US-10512940-B2 · Dec 24, 2019 · US
Debris removal system for an agricultural harvester with improved debris flow and related extractors
US-10492370-B2 · Dec 3, 2019 · US
Debris removal system for an agricultural harvester and related extractors
US-10485170-B2 · Nov 26, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B07B4/02?
- CPC B07B4/02 is the Cooperative Patent Classification code for “while the mixtures fall.”
- How many patents are filed under CPC B07B4/02 (while the mixtures fall)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC B07B4/02 growing?
- Publication counts under this code: 3 in 2023 vs 3 in 2025 (latest complete years).