Apparatuses and methods for creating wetting controlling microfeatures
US-2024084475-A1 · Mar 14, 2024 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C25F3/02 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 262 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 34 |
| 2016 | 23 |
| 2017 | 24 |
| 2018 | 24 |
| 2019 | 20 |
| 2020 | 34 |
| 2021 | 22 |
| 2022 | 21 |
| 2023 | 19 |
| 2024 | 25 |
| 2025 | 14 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrochemical corrosion of catalyst material from pcd elements
US-2017282334-A1 · Oct 5, 2017 · US
Electrolytic machining system and electrolytic machining method
US-9687925-B2 · Jun 27, 2017 · US
Electrochemical machining employing electrical voltage pulses to drive reduction and oxidation reactions
US-2016362810-A1 · Dec 15, 2016 · US
Method of fabricating improved porous metallic material and resulting structure thereof
US-9518335-B2 · Dec 13, 2016 · US
Process for removing a coating from workpieces
US-9512539-B2 · Dec 6, 2016 · US
Ultrasound assisted electrochemical catalyst removal for superhard materials
US-9469914-B2 · Oct 18, 2016 · US
Method of forming wiring pattern and etching apparatus for forming wiring pattern
US-2016289840-A1 · Oct 6, 2016 · US
Method for producing substrates for superconducting layers
US-2016276067-A1 · Sep 22, 2016 · US
Electrochemical machining method, electrochemical machining apparatus and electrochemical machining fluid
US-2016256945-A1 · Sep 8, 2016 · US
Apparatus for use in an electroetching or electrodeposition process and an electroetching or electrodeposition process
US-2016258076-A1 · Sep 8, 2016 · US
Biocompatible graphene quantum dots for drug delivery and bioimaging applications
US-2016256403-A1 · Sep 8, 2016 · US
Method of making a porous TiO2 photonic film
US-9435050-B2 · Sep 6, 2016 · US
Machining systems and methods
US-9416462-B2 · Aug 16, 2016 · US
Energy storage structure, method of manufacturing a support structure for same, and microelectronic assembly and system containing same
US-9409767-B2 · Aug 9, 2016 · US
Manufacturing Method of Titanium Oxide Electrode, Active Oxygen Species Production System Including Same, Chlorine Production System, Dye-Sensitised Solar Cell and Electric Double-Layer Capacitor
US-2016168743-A1 · Jun 16, 2016 · US
Electrochemical Method for Transferring Graphene
US-2016159064-A1 · Jun 9, 2016 · US
Cold field electron emitters based on silicon carbide structures
US-2016118214-A1 · Apr 28, 2016 · US
Electro-chemically machining with a motor part including an electrode
US-9322109-B2 · Apr 26, 2016 · US
Cold field electron emitters based on silicon carbide structures
US-9324534-B2 · Apr 26, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25F3/02?
- CPC C25F3/02 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C25F3/02 (Chemistry & Metallurgy)?
- Our database includes 262 publications tagged with this CPC code.
- Is patent activity under CPC C25F3/02 growing?
- Publication counts under this code: 25 in 2024 vs 14 in 2025 (latest complete years).