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Pretreatment of the solids prior to electrostatic separation
Pretreatment of the solids prior to electrostatic separation · 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 | B03C7/003 |
| Official title | {Pretreatment of the solids prior to electrostatic separation} |
| Display label | Pretreatment of the solids prior to electrostatic separation |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Microparticle sorting apparatus and delay time determination method
US-10876954-B2 · Dec 29, 2020 · US
Electrostatic modification reagent and process for enhancing electrostatic separation in the beneficiation of ores
US-10245596-B2 · Apr 2, 2019 · US
Microparticle sorting device and method of optimizing fluid stream therein
US-10132735-B2 · Nov 20, 2018 · US
Microparticle sorting apparatus and delay time determination method
US-2018188150-A1 · Jul 5, 2018 · US
Microparticle sorting apparatus and delay time determination method
US-9958375-B2 · May 1, 2018 · US
Particle fractionation apparatus, particle fractionation method and particle fractionation program
US-9857286-B2 · Jan 2, 2018 · US
Microparticle fractionating apparatus and method of fractionating microparticle
US-9784659-B2 · Oct 10, 2017 · US
Raw material sorting apparatus and method therefor
US-9700899-B2 · Jul 11, 2017 · US
Electrostatic modification reagent and process for enhancing electrostatic separation in the beneficiation of ores
US-2016310963-A1 · Oct 27, 2016 · US
Particle fractionation apparatus, particle fractionation method and particle fractionation program
US-2016245736-A1 · Aug 25, 2016 · US
Microparticle sorting apparatus and delay time determination method
US-2016223451-A1 · Aug 4, 2016 · US
Process for enhancing electrostatic separation in the beneficiation of ores
US-9403173-B2 · Aug 2, 2016 · US
Microparticle sorting apparatus and delay time determination method
US-9339823-B2 · May 17, 2016 · US
Low energy consuming garbage patch gathering and classifying equipment and method using catamaran
US-9290242-B2 · Mar 22, 2016 · US
Radiation assisted electrostatic separation of semiconductor materials
US-9289781-B2 · Mar 22, 2016 · US
Raw material sorting apparatus and method therefor
US-2016038950-A1 · Feb 11, 2016 · US
Microparticle sorting device and method of optimizing fluid stream therein
US-2015285727-A1 · Oct 8, 2015 · US
Microparticle fractionating apparatus and method of fractionating microparticle
US-2015285726-A1 · Oct 8, 2015 · US
Low energy consuming garbage patch gathering and classifying equipment and method using catamaran
US-2015251733-A1 · Sep 10, 2015 · US