Methods for self-assembling monolayers to mitigate hydrogen permeation
US-12583015-B2 · Mar 24, 2026 · US
Coating inside the pipe
Coating inside the pipe · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B05D7/225 |
| Official title | {Coating inside the pipe} |
| Display label | Coating inside the pipe |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 11 |
| 2023 | 8 |
| 2024 | 6 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tool for catalyst coating apparatus, and catalyst coating apparatus
US-2025289029-A1 · Sep 18, 2025 · US
Latent epoxy-amine composition for CIPP application
US-12378452-B2 · Aug 5, 2025 · US
Coating compositions for erosion mitigation, and coated components and methods using said coatings
US-2025242381-A1 · Jul 31, 2025 · US
Applying corrosion inhibitor within tubulars
US-12370574-B2 · Jul 29, 2025 · US
Method and apparatus for lining a pipe
US-12304990-B2 · May 20, 2025 · US
Adhesive coating device, adhesive coating method, and rotor manufacturing method
US-12251728-B2 · Mar 18, 2025 · US
Frozen material formation prevention systems
US-12203027-B2 · Jan 21, 2025 · US
Methods for self-assembling monolayers to mitigate hydrogen permeation
US-2024342753-A1 · Oct 17, 2024 · US
Method for producing a polymer-improved pipe element and pipe element and pipe system comprising same
US-12066143-B2 · Aug 20, 2024 · US
Applying corrosion inhibitor within tubulars
US-2024198381-A1 · Jun 20, 2024 · US
System and method for internal coating of offshore pipeline weld joints with fluorescent anti-corrosion coatings and wet inspection
US-11982632-B2 · May 14, 2024 · US
Applying corrosion inhibitor within tubulars
US-11911790-B2 · Feb 27, 2024 · US
Masking member, and method for coating pipe inner circumferential surface using same
US-11890641-B2 · Feb 6, 2024 · US
Syringe with pecvd lubrication
US-2023383409-A1 · Nov 30, 2023 · US
Core with improved chuck interaction
US-11787103-B2 · Oct 17, 2023 · US
Device for coating cylinder including a coating head with coating guns
US-11766690-B2 · Sep 26, 2023 · US
Applying corrosion inhibitor within tubulars
US-2023271220-A1 · Aug 31, 2023 · US
Method of improving a corrosion protection of a hollow shaft
US-11731174-B2 · Aug 22, 2023 · US
Treatment device, treatment method, method for manufacturing metal pipe material, and metal pipe material
US-2023160050-A1 · May 25, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B05D7/225?
- CPC B05D7/225 is the Cooperative Patent Classification code for “Coating inside the pipe.”
- How many patents are filed under CPC B05D7/225 (Coating inside the pipe)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC B05D7/225 growing?
- Publication counts under this code: 6 in 2024 vs 7 in 2025 (latest complete years).