Three-dimensionally printed bipolar plate for a proton exchange membrane fuel cell
US-10522850-B2 · Dec 31, 2019 · US
Polishing
Polishing · 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 | C25F3/16 |
| Official title | Polishing |
| Display label | Polishing |
| Total patents | 124 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 11 |
| 2017 | 15 |
| 2018 | 9 |
| 2019 | 11 |
| 2020 | 7 |
| 2021 | 10 |
| 2022 | 9 |
| 2023 | 7 |
| 2024 | 9 |
| 2025 | 10 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for electrochemical machining of complex internal additively manufactured surfaces
US-2019111507-A1 · Apr 18, 2019 · US
Apparatus and method for electro-polishing complex shapes
US-2018318951-A1 · Nov 8, 2018 · US
Electropolishing and anodizing method for brush holder apparatus
US-2018298512-A1 · Oct 18, 2018 · US
Article surface finishing method
US-2018290212-A1 · Oct 11, 2018 · US
Process for the electrolytic polishing of a metallic substrate
US-2018171504-A1 · Jun 21, 2018 · US
Electrochemical deposition chamber
US-2018171503-A1 · Jun 21, 2018 · US
Sealed laminated structure
US-9963798-B2 · May 8, 2018 · US
Blood pump housing component
US-2018050141-A1 · Feb 22, 2018 · US
Reduced wire profile stent
US-9861506-B2 · Jan 9, 2018 · US
Method and apparatus for pulse electrochemical polishing
US-9865476-B2 · Jan 9, 2018 · US
System and methods for electrochemical grinding with a screen
US-9850589-B2 · Dec 26, 2017 · US
Electrochemical polishing of non-uniform features
US-2017355032-A1 · Dec 14, 2017 · US
Electrode for electrochemical measurement, electrolysis cell for electrochemical measurement, analyzer for electrochemical measurement, and methods for producing same
US-9829458-B2 · Nov 28, 2017 · US
Optical measurement system for determining the position of an electrode during the electrochemical processing of a component
US-9822462-B2 · Nov 21, 2017 · US
Blood pump housing component
US-9821100-B2 · Nov 21, 2017 · US
Electroplating methods for semiconductor substrates
US-9758893-B2 · Sep 12, 2017 · US
Exterior décor panel for home appliance and method of manufacturing the same
US-9746765-B2 · Aug 29, 2017 · US
Electrochemical polishing method
US-2017175287-A1 · Jun 22, 2017 · US
Method and apparatus for polishing metal parts with complex geometries
US-2017144239-A1 · May 25, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25F3/16?
- CPC C25F3/16 is the Cooperative Patent Classification code for “Polishing.”
- How many patents are filed under CPC C25F3/16 (Polishing)?
- Our database includes 124 publications tagged with this CPC code.
- Is patent activity under CPC C25F3/16 growing?
- Publication counts under this code: 9 in 2024 vs 10 in 2025 (latest complete years).