Method to produce high corrosion and wear resistant cast iron components by water jet surface activation, nitrocarburization and thermal spray coating
US-2024084430-A1 · Mar 14, 2024 · US
Pretreatment of the material to be coated, e.g. for coating on selected surface areas
Pretreatment of the material to be coated, e.g. for coating on selected surface areas · 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 | C23C4/02 |
| Official title | Pretreatment of the material to be coated, e.g. for coating on selected surface areas |
| Display label | Pretreatment of the material to be coated, e.g. for coating on selected surface areas |
| Total patents | 859 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 70 |
| 2016 | 83 |
| 2017 | 75 |
| 2018 | 81 |
| 2019 | 88 |
| 2020 | 87 |
| 2021 | 93 |
| 2022 | 67 |
| 2023 | 77 |
| 2024 | 66 |
| 2025 | 56 |
| 2026 | 16 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Film growing method
US-2015368779-A1 · Dec 24, 2015 · US
Fire-and electromagnetic interference (emi)-resistant aircraft components and methods for manufacturing the same
US-2015367955-A1 · Dec 24, 2015 · US
Multi-Airfoil Split and Rejoin Method to Produce Enhanced Durability Coating
US-2015352649-A1 · Dec 10, 2015 · US
Minimizing blockage of holes in turbine engine components
US-9206499-B2 · Dec 8, 2015 · US
Substrate features for mitigating stress
US-9194243-B2 · Nov 24, 2015 · US
Piercing plug
US-2015321233-A1 · Nov 12, 2015 · US
Slurry plasma spray of plasma resistant ceramic coating
US-2015321964-A1 · Nov 12, 2015 · US
Thermal spraying of ceramic materials
US-2015307980-A1 · Oct 29, 2015 · US
LOW PERMEABILITY HIGH PRESSURE COMPRESSOR ABRADABLE SEAL FOR BARE Ni AIRFOILS HAVING CONTINUOUS METAL MATRIX
US-2015308281-A1 · Oct 29, 2015 · US
Turbine component internal heating systems and coating systems
US-2015307978-A1 · Oct 29, 2015 · US
Process for producing a brake disk and brake disk
US-2015307979-A1 · Oct 29, 2015 · US
Cylinder block manufacturing method and cylinder block
US-2015300288-A1 · Oct 22, 2015 · US
Method of making a barbed surface for receiving a thermal spray coating and the surface made by the method
US-9162418-B2 · Oct 20, 2015 · US
Methods for applying aluminum coating layer to a core of copper wire
US-2015290738-A1 · Oct 15, 2015 · US
Method for applying a high-temperature stable coating layer on the surface of a component and component with such a coating layer
US-2015284834-A1 · Oct 8, 2015 · US
Plasma processing apparatus and sample stage
US-9150967-B2 · Oct 6, 2015 · US
Turbine abradable layer with progressive wear zone multi level ridge arrays
US-9151175-B2 · Oct 6, 2015 · US
Low sulfur nickel base substrate alloy and overlay coating system
US-9138963-B2 · Sep 22, 2015 · US
Plug for hot tube-making
US-2015258591-A1 · Sep 17, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C4/02?
- CPC C23C4/02 is the Cooperative Patent Classification code for “Pretreatment of the material to be coated, e.g. for coating on selected surface areas.”
- How many patents are filed under CPC C23C4/02 (Pretreatment of the material to be coated, e.g. for coating on selected surface areas)?
- Our database includes 859 publications tagged with this CPC code.
- Is patent activity under CPC C23C4/02 growing?
- Publication counts under this code: 66 in 2024 vs 56 in 2025 (latest complete years).