Hearth roll for continuous annealing furnace
US-12473606-B2 · Nov 18, 2025 · US
for coating elongate material
for coating elongate material · 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 | C23C4/14 |
| Official title | for coating elongate material |
| Display label | for coating elongate material |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 8 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hearth roll for continuous annealing furnace
US-2025257417-A1 · Aug 14, 2025 · US
Hearth roll for continuous annealing furnace
US-12312646-B2 · May 27, 2025 · US
Sprayed coating and sprayed-coating manufacturing method
US-11965252-B2 · Apr 23, 2024 · US
Sprayed coating and sprayed-coating manufacturing method
US-2023265551-A1 · Aug 24, 2023 · US
Chromium-free thermal spray composition, method, and apparatus
US-11608552-B2 · Mar 21, 2023 · US
Hearth roll for continuous annealing furnace
US-2022380862-A1 · Dec 1, 2022 · US
Rare-earth oxide based coatings based on ion assisted deposition
US-11424136-B2 · Aug 23, 2022 · US
Apparatus for continuous molten metal coating treatment and method for molten metal coating treatment using same
US-11162166-B2 · Nov 2, 2021 · US
Rare-earth oxide based coatings based on ion assisted deposition
US-2021118703-A1 · Apr 22, 2021 · US
Rare-earth oxide based coatings based on ion assisted deposition
US-10930526-B2 · Feb 23, 2021 · US
Apparatus for continuous hot-dip metal coating treatment and method for hot-dip metal coating treatment using same
US-2020232082-A1 · Jul 23, 2020 · US
Chromium-free thermal spray composition, method, and apparatus
US-2020173006-A1 · Jun 4, 2020 · US
Chromium-free thermal spray composition, method, and apparatus
US-10577685-B2 · Mar 3, 2020 · US
Cmas resistant thermal barrier coatings
US-2020024718-A1 · Jan 23, 2020 · US
Powder coating apparatus
US-10537909-B2 · Jan 21, 2020 · US
Plasma spraying method for coating a cylinder barrel of a cylinder crankcase of a reciprocating internal combustion engine
US-2019368023-A1 · Dec 5, 2019 · US
Composition and coating structure applying with the same
US-10280499-B2 · May 7, 2019 · US
CMAS resistant thermal barrier coatings
US-10179945-B2 · Jan 15, 2019 · US
Coated bore aluminum cylinder liner for aluminum cast blocks
US-10132267-B2 · Nov 20, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C4/14?
- CPC C23C4/14 is the Cooperative Patent Classification code for “for coating elongate material.”
- How many patents are filed under CPC C23C4/14 (for coating elongate material)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC C23C4/14 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).