Method for producing pre-insulated fittings
US-2025387990-A1 · Dec 25, 2025 · US
Pipe joints, e.g. straight joints
Pipe joints, e.g. straight joints · 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 | B29D23/003 |
| Official title | {Pipe joints, e.g. straight joints} |
| Display label | Pipe joints, e.g. straight joints |
| Total patents | 56 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 8 |
| 2021 | 11 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aircraft Wing With Multi-Tube Structure
US-2025178713-A1 · Jun 5, 2025 · US
Method of manufacturing a measuring tube of a fluid measuring means
US-2025162236-A1 · May 22, 2025 · US
Devices and methods of manufacturing couplers for the transition of different conduit systems
US-2025146608-A1 · May 8, 2025 · US
Composite attachment coupler and components using same
US-12275518-B2 · Apr 15, 2025 · US
Composite connectors and methods of manufacturing the same
US-2025102095-A1 · Mar 27, 2025 · US
Composite connectors and methods of manufacturing the same
US-12196354-B2 · Jan 14, 2025 · US
Electrofusion fittings for lined pipes
US-12111008-B2 · Oct 8, 2024 · US
Composite/metal joints for composite rods
US-12090586-B2 · Sep 17, 2024 · US
Pipe joint manufacturing method and mold
US-12030268-B2 · Jul 9, 2024 · US
Fibre reinforced polymer tube
US-11976763-B2 · May 7, 2024 · US
Composite connectors and methods of manufacturing the same
US-11976686-B2 · May 7, 2024 · US
Profile connection
US-11904552-B2 · Feb 20, 2024 · US
Electrofusion Fittings for Lined Pipes
US-2024019071-A1 · Jan 18, 2024 · US
Profile connection
US-11845230-B2 · Dec 19, 2023 · US
Composite/metal joints for composite rods
US-2023287914-A1 · Sep 14, 2023 · US
Composite Attachment Coupler And Components Using Same
US-2023271694-A1 · Aug 31, 2023 · US
Electrofusion fittings for lined pipes
US-11692662-B2 · Jul 4, 2023 · US
Pipe Joint Manufacturing Method and Mold
US-2022347948-A1 · Nov 3, 2022 · US
Method for manufacturing welded molding, welded molding, and pipe
US-2022243844-A1 · Aug 4, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29D23/003?
- CPC B29D23/003 is the Cooperative Patent Classification code for “Pipe joints, e.g. straight joints.”
- How many patents are filed under CPC B29D23/003 (Pipe joints, e.g. straight joints)?
- Our database includes 56 publications tagged with this CPC code.
- Is patent activity under CPC B29D23/003 growing?
- Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).