Dry preparation of kaolin in the production of HPA
US-11833520-B2 · Dec 5, 2023 · US
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with return of oversize material to crushing or disintegrating zone (B02C23/34 takes precedence)
with return of oversize material to crushing or disintegrating zone (B02C23/34 takes precedence) · 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 | B02C23/32 |
| Official title | with return of oversize material to crushing or disintegrating zone (B02C23/34 takes precedence) |
| Display label | with return of oversize material to crushing or disintegrating zone (B02C23/34 takes precedence) |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Classifier, pulverizing and classifying device, and pulverized coal burning boiler
US-11590510-B2 · Feb 28, 2023 · US
System, method and apparatus for controlling the flow distribution of solid particles
US-11311887-B2 · Apr 26, 2022 · US
Dry preparation of kaolin in the production of HPA
US-2021260597-A1 · Aug 26, 2021 · US
System, method and apparatus for controlling the flow distribution of solid particles
US-10773261-B2 · Sep 15, 2020 · US
Beater wheel for pulverizer mill and method of assembly
US-10688498-B2 · Jun 23, 2020 · US
System, method and apparatus for controlling the flow distribution of solid particles
US-2020061628-A1 · Feb 27, 2020 · US
System, method and apparatus for controlling the flow distribution of solid particles
US-10493463-B2 · Dec 3, 2019 · US
System, method and apparatus for controlling the flow distribution of solid particles
US-2019291119-A1 · Sep 26, 2019 · US
System, method and apparatus for controlling the flow distribution of solid particles
US-10363564-B2 · Jul 30, 2019 · US
Vertical roller mill
US-2019143338-A1 · May 16, 2019 · US
Beater wheel for pulverizer mill and method of assembly
US-2019143336-A1 · May 16, 2019 · US
Classifier, pulverizing and classifying device, and pulverized coal burning boiler
US-2018221889-A1 · Aug 9, 2018 · US
System, method and apparatus for controlling the flow distribution of solid particles
US-2017246642-A1 · Aug 31, 2017 · US
System, method and apparatus for controlling the flow distribution of solid particles
US-2017246644-A1 · Aug 31, 2017 · US
System, method and apparatus for controlling the flow distribution of solid particles
US-2017246643-A1 · Aug 31, 2017 · US