Method for localised repair of a damaged thermal barrier
US-9840914-B2 · Dec 12, 2017 · US
Pretreatment
Pretreatment · 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 | C25D13/20 |
| Official title | Pretreatment |
| Display label | Pretreatment |
| Total patents | 212 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 27 |
| 2017 | 18 |
| 2018 | 23 |
| 2019 | 28 |
| 2020 | 19 |
| 2021 | 18 |
| 2022 | 19 |
| 2023 | 12 |
| 2024 | 18 |
| 2025 | 9 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrodeposition paint recovery system and method
US-2017342588-A1 · Nov 30, 2017 · US
Novel Electrodeposition System
US-2017335120-A1 · Nov 23, 2017 · US
Coating method for clad steel and coating solution for coating clad steel
US-2017335480-A1 · Nov 23, 2017 · US
Pretreatment compositions and methods for coating a metal substrate
US-9822260-B2 · Nov 21, 2017 · US
Loudspeaker assembly in a vehicle using expandable material
US-9807486-B2 · Oct 31, 2017 · US
Magnesium alloy substrate
US-2017226654-A1 · Aug 10, 2017 · US
Display device, color filter and manufacturing method thereof
US-9720275-B2 · Aug 1, 2017 · US
Coating compositions exhibiting corrosion resistance properties, related coated articles and methods
US-9624383-B2 · Apr 18, 2017 · US
Cationic electrodeposition coating composition and coated article
US-9617650-B2 · Apr 11, 2017 · US
Method for producing a steel component which is shaped by hot-forming a steel sheet which has a metal coating, such a steel sheet, and a steel component produced from said steel sheet by means of a hot-forming process
US-2017073789-A1 · Mar 16, 2017 · US
Electroconductive composite substrates coated with electrodepositable coating compositions and methods of preparing them
US-2017058421-A1 · Mar 2, 2017 · US
High Rate Electric Field Driven Nanoelement Assembly on an Insulated Surface
US-2017058422-A1 · Mar 2, 2017 · US
Method of preparing a magnesium alloy substrate for a surface treatment
US-9580830-B2 · Feb 28, 2017 · US
Methods for coating a metal substrate and related coated metal substrates
US-9574093-B2 · Feb 21, 2017 · US
Method for passivating a metallic surface
US-2017037517-A1 · Feb 9, 2017 · US
Methods for forming an electrodeposited coating over a coated substrate and articles made thereby
US-9556071-B2 · Jan 31, 2017 · US
Process for coating electroconductive substrates
US-2017002214-A1 · Jan 5, 2017 · US
Aqueous dip-coating composition for electroconductive substrates, comprising bismuth and a phosphorus-containing, amine-blocked compound
US-2016369114-A1 · Dec 22, 2016 · US
Methods of three-dimensional electrophoretic deposition for ceramic and cermet applications and systems thereof
US-2016355944-A1 · Dec 8, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25D13/20?
- CPC C25D13/20 is the Cooperative Patent Classification code for “Pretreatment.”
- How many patents are filed under CPC C25D13/20 (Pretreatment)?
- Our database includes 212 publications tagged with this CPC code.
- Is patent activity under CPC C25D13/20 growing?
- Publication counts under this code: 18 in 2024 vs 9 in 2025 (latest complete years).