Pulsed electrochemical machining
US-2024109142-A1 · Apr 4, 2024 · US
Electrodes specially adapted therefor or their manufacture (B23H9/00 takes precedence)
Electrodes specially adapted therefor or their manufacture (B23H9/00 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 | B23H3/04 |
| Official title | Electrodes specially adapted therefor or their manufacture (B23H9/00 takes precedence) |
| Display label | Electrodes specially adapted therefor or their manufacture (B23H9/00 takes precedence) |
| Total patents | 182 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 15 |
| 2017 | 20 |
| 2018 | 23 |
| 2019 | 23 |
| 2020 | 11 |
| 2021 | 8 |
| 2022 | 20 |
| 2023 | 17 |
| 2024 | 16 |
| 2025 | 14 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Drilling tool and system for use in machining a conductive work piece
US-10092969-B2 · Oct 9, 2018 · US
Machining apparatus and machining system
US-2018272449-A1 · Sep 27, 2018 · US
High Temperature Casting and Electrochemical Machining Heat Exchanger Manufacturing Method
US-2018185942-A1 · Jul 5, 2018 · US
Electrochemical machining device
US-2018161898-A1 · Jun 14, 2018 · US
Electrochemical machining tool and electrochemical machining system
US-9981331-B2 · May 29, 2018 · US
Electrochemical machining method for rotors or stators for moineau pumps
US-9976227-B2 · May 22, 2018 · US
Electrode for an electro-erosion process and an associated method thereof
US-2018093337-A1 · Apr 5, 2018 · US
Electrochemical machining tool, electrochemical machining system, and perforated member manufacturing method
US-9878388-B2 · Jan 30, 2018 · US
Drilling tool for use in machining a conductive work piece
US-2018001406-A1 · Jan 4, 2018 · US
Electrochemical Removal Of Material From A Workpiece
US-2017368626-A1 · Dec 28, 2017 · US
Electrochemical polishing of non-uniform features
US-2017355032-A1 · Dec 14, 2017 · US
Fixture for electro-chemical machining electrode
US-9827628-B2 · Nov 28, 2017 · US
Electrochemical machining apparatus
US-9822464-B2 · Nov 21, 2017 · US
Electrode and installation for electrochemical machining and method therefor
US-9822463-B2 · Nov 21, 2017 · US
Electrochemical machining inner contours of gas turbine engine components
US-2017274451-A1 · Sep 28, 2017 · US
Apparatus and method for making extrusion dies
US-2017266743-A1 · Sep 21, 2017 · US
Method and electrode for electrochemically processing a workpiece
US-9764403-B2 · Sep 19, 2017 · US
Continuous electrochemical machining apparatus
US-9765444-B2 · Sep 19, 2017 · US
Electrochemical machining device
US-9744609-B2 · Aug 29, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23H3/04?
- CPC B23H3/04 is the Cooperative Patent Classification code for “Electrodes specially adapted therefor or their manufacture (B23H9/00 takes precedence).”
- How many patents are filed under CPC B23H3/04 (Electrodes specially adapted therefor or their manufacture (B23H9/00 takes precedence))?
- Our database includes 182 publications tagged with this CPC code.
- Is patent activity under CPC B23H3/04 growing?
- Publication counts under this code: 16 in 2024 vs 14 in 2025 (latest complete years).