Manufacturing process for surge arrestor module using compaction bladder system
US-11894166-B2 · Feb 6, 2024 · US
Moulding structures having an axis of symmetry or at least one channel, e.g. tubular structures, frames
Moulding structures having an axis of symmetry or at least one channel, e.g. tubular structures, frames · 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 | B29C70/446 |
| Official title | {Moulding structures having an axis of symmetry or at least one channel, e.g. tubular structures, frames} |
| Display label | Moulding structures having an axis of symmetry or at least one channel, e.g. tubular structures, frames |
| Total patents | 568 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 43 |
| 2016 | 57 |
| 2017 | 35 |
| 2018 | 29 |
| 2019 | 42 |
| 2020 | 56 |
| 2021 | 52 |
| 2022 | 74 |
| 2023 | 51 |
| 2024 | 61 |
| 2025 | 58 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and device for series production of components made of a fiber-reinforced composite material
US-2016375613-A1 · Dec 29, 2016 · US
Method and apparatus for forming a composite laminate stack using a breathable polyethylene vacuum film
US-2016368229-A1 · Dec 22, 2016 · US
Bladder System for Curing Composite Parts
US-2016339682-A1 · Nov 24, 2016 · US
System and method for manufacturing monolithic structures using expanding internal tools
US-9498903-B2 · Nov 22, 2016 · US
Apparatuses and methods for making reinforcement structures
US-2016332393-A1 · Nov 17, 2016 · US
Method for producing a fiber composite component for aviation and spaceflight
US-9492974-B2 · Nov 15, 2016 · US
Method of fabricating a vacuum barrier system
US-2016297108-A1 · Oct 13, 2016 · US
System for manufacturing monolithic structures using expanding internal tools
US-2016271844-A1 · Sep 22, 2016 · US
Method for manufacturing a wind turbine rotor blade
US-9422916-B2 · Aug 23, 2016 · US
Non-vented bladder system for curing composite parts
US-9381704-B2 · Jul 5, 2016 · US
Composite structure and method
US-2016160899-A1 · Jun 9, 2016 · US
Thermoplastic sandwich structures
US-9358703-B2 · Jun 7, 2016 · US
Elastomeric bladder system
US-9308704-B2 · Apr 12, 2016 · US
System for facilitating fluid movement in closed molds
US-2016046041-A1 · Feb 18, 2016 · US
Apparatus and method for a shape memory alloy mandrel
US-2016023406-A1 · Jan 28, 2016 · US
In-Situ Induction Cured Radius Filler
US-2016009035-A1 · Jan 14, 2016 · US
Ducting for a fluid transfer pipeline for an aircraft or spacecraft, method for producing same and aeronautical structure incorporating same
US-9222605-B2 · Dec 29, 2015 · US
Composite structure and method
US-9205634-B2 · Dec 8, 2015 · US
Method for manufacturing carbon fiber panels stiffened with omega stringers
US-2015343715-A1 · Dec 3, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C70/446?
- CPC B29C70/446 is the Cooperative Patent Classification code for “Moulding structures having an axis of symmetry or at least one channel, e.g. tubular structures, frames.”
- How many patents are filed under CPC B29C70/446 (Moulding structures having an axis of symmetry or at least one channel, e.g. tubular structures, frames)?
- Our database includes 568 publications tagged with this CPC code.
- Is patent activity under CPC B29C70/446 growing?
- Publication counts under this code: 61 in 2024 vs 58 in 2025 (latest complete years).