Apparatus for Applying a Flowable Material to an Inner Wall of a tube
US-2026061453-A1 · Mar 5, 2026 · US
for applying liquids or other fluent materials to the inside of tubes
for applying liquids or other fluent materials to the inside of tubes · 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 | B05C7/08 |
| Official title | for applying liquids or other fluent materials to the inside of tubes |
| Display label | for applying liquids or other fluent materials to the inside of tubes |
| Total patents | 46 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Internal surface treatment device for hollow engine shaft and the like
US-12508622-B2 · Dec 30, 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
System and method for field internally coating a pipe joint
US-12172185-B2 · Dec 24, 2024 · US
Applicator tool positionable within a valve seat bore of a cylinder head for an internal combustion engine
US-2024352877-A1 · Oct 24, 2024 · US
Internal surface treatment device for hollow engine shaft and the like
US-2024238833-A1 · Jul 18, 2024 · US
Motorized apparatus for pipe inspection and repair
US-12031660-B2 · Jul 9, 2024 · US
Applying corrosion inhibitor within tubulars
US-2024198381-A1 · Jun 20, 2024 · US
Applying corrosion inhibitor within tubulars
US-11911790-B2 · Feb 27, 2024 · US
Method for coating an interior surface of a pipe
US-11827557-B1 · Nov 28, 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
Automation in a robotic pipe coating system
US-11731281-B2 · Aug 22, 2023 · US
Motorized apparatus for pipe inspection and repair
US-2023243455-A1 · Aug 3, 2023 · US
Robotic multi-jet system to coat photocatalyst inside glass tube
US-11530160-B1 · Dec 20, 2022 · US
Composition
US-2022380514-A1 · Dec 1, 2022 · US
Systems and methods for generating an electrochemical cell having a multi-part anode
US-11502284-B2 · Nov 15, 2022 · US
System and method for internal coating of offshore pipeline weld joints with fluorescent anti-corrosion coatings and wet inspection
US-2022357284-A1 · Nov 10, 2022 · US
Method of manufacturing tubular member for exhaust gas treatment device, and coating film forming device
US-2022288624-A1 · Sep 15, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B05C7/08?
- CPC B05C7/08 is the Cooperative Patent Classification code for “for applying liquids or other fluent materials to the inside of tubes.”
- How many patents are filed under CPC B05C7/08 (for applying liquids or other fluent materials to the inside of tubes)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC B05C7/08 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).