Electrochemical machining developments
US-2025347026-A1 · Nov 13, 2025 · US
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Working media
Working media · 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 | B23H3/08 |
| Official title | Working media |
| Display label | Working media |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for improving surface quality of alloy micro-area via supersaturated film and use thereof
US-12311458-B2 · May 27, 2025 · US
Electrochemically cleanable windows for atomic instruments, and methods of using the same
US-12194512-B1 · Jan 14, 2025 · US
Method for improving surface quality of alloy micro-area via supersaturated film and use thereof
US-2024424586-A1 · Dec 26, 2024 · US
Gradient metallic structure and surface treatment to produce a gradient metallic structure
US-12060648-B2 · Aug 13, 2024 · US
Electrochemically cleanable windows for atomic instruments, and methods of using the same
US-11958088-B1 · Apr 16, 2024 · US
Gradient metallic structure and surface treatment to produce a gradient metallic structure
US-2023302561-A1 · Sep 28, 2023 · US
Electrolyte for electrochemical machining of γ-γ″ nickel-based superalloys
US-11712744-B2 · Aug 1, 2023 · US
Device and method for electrochemically processing a material
US-11554432-B2 · Jan 17, 2023 · US
Electrolyte for electrochemical machining of gamma-gamma prime nickel-based superalloys
US-11548085-B2 · Jan 10, 2023 · US
Electromechanical machining method, method of manufacturing perforated material, processing electrode, and electromechanical machining system
US-11376681-B2 · Jul 5, 2022 · US
Electrolyte for electrochemical machining of gamma-gamma prime nickel-based superalloys
US-2021402496-A1 · Dec 30, 2021 · US
ELECTROLYTE FOR ELECTROCHEMICAL MACHINING OF y-y" NICKEL-BASED SUPERALLOYS
US-2021370426-A1 · Dec 2, 2021 · US
Electrode for electroerosion machining system
US-11161190-B2 · Nov 2, 2021 · US
Device and method for electrochemically processing a material
US-2021197302-A1 · Jul 1, 2021 · US
Wire electric discharge machine
US-10786857-B2 · Sep 29, 2020 · US
Electromechanical machining method, method of manufacturing perforated material, processing electrode, and electromechanical machining system
US-2020086410-A1 · Mar 19, 2020 · US
Electrochemical polishing of non-uniform features
US-10493549-B2 · Dec 3, 2019 · US
Electrochemical polishing of non-uniform features
US-2017355032-A1 · Dec 14, 2017 · US
Wire electric discharge machine
US-2017087656-A1 · Mar 30, 2017 · US