Acoustic attenuation panel comprising at least one c-shaped reinforcement held by at least one expandable core and method for manufacturing such a panel
US-2025378811-A1 · Dec 11, 2025 · US
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formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled (totally filled B29D99/0021)
formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled (totally filled B29D99/0021) · 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 | B29D24/002 |
| Official title | {formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled (totally filled B29D99/0021)} |
| Display label | formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled (totally filled B29D99/0021) |
| Total patents | 20 |
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 | 2 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2023 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing a sandwich panel with improved impact and damping behaviors
US-12370755-B2 · Jul 29, 2025 · US
Stiffened part formed from a thermoset composite material with a boxed structure and manufacturing method
US-2023264440-A1 · Aug 24, 2023 · US
Method for manufacturing a sandwich panel with improved impact and damping behaviors
US-2023024567-A1 · Jan 26, 2023 · US
Integrally stiffened bonded panel with machined pockets and methods of manufacture
US-11554561-B2 · Jan 17, 2023 · US
Integrally Stiffened Bonded Panel with Machined Pockets and Methods of Manufacture
US-2021114319-A1 · Apr 22, 2021 · US
Methods and apparatus to form venting channels on a panel for a decorative layer
US-10953643-B2 · Mar 23, 2021 · US
Methods and apparatus to form venting channels on a panel for a decorative layer
US-2020282715-A1 · Sep 10, 2020 · US
Method for producing a sandwich panel comprising a reinforced foam core
US-10737463-B2 · Aug 11, 2020 · US
Methods and apparatus to form venting channels on a panel for a decorative layer
US-10647099-B2 · May 12, 2020 · US
Process for manufacturing an acoustic panel reinforced by at least one thermoplastic composite layer
US-10475432-B2 · Nov 12, 2019 · US
Manufacture of a resin infused one-piece composite truss structure
US-10272619-B2 · Apr 30, 2019 · US
Process for manufacturing an acoustic panel reinforced by at least one thermoplastic composite layer
US-2018096673-A1 · Apr 5, 2018 · US
Method for producing a sandwich panel comprising a reinforced foam core
US-2018001593-A1 · Jan 4, 2018 · US
Methods and apparatus to form venting channels on a panel for a decorative layer
US-2017326858-A1 · Nov 16, 2017 · US
Cup-forming process and machine
US-9713906-B2 · Jul 25, 2017 · US
Sandwich panel, method of forming core material for sandwich panel, and method of forming sandwich panel
US-9283895-B2 · Mar 15, 2016 · US
Composite materials comprising honeycomb cores based on thermoplastic synthetic fiber non-wovens
US-2016010251-A1 · Jan 14, 2016 · US
Manufacture of a resin infused one-piece composite truss structure
US-2015328845-A1 · Nov 19, 2015 · US
Dynamic load-absorbing materials and articles
US-9056983-B2 · Jun 16, 2015 · US