Constrained-type vibration-damping metal sheet having foam pores and method for manufacturing same
US-12539687-B2 · Feb 3, 2026 · US
the preformed part being a lining, e.g. a film or a support lining
the preformed part being a lining, e.g. a film or a support lining · 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 | B29C44/321 |
| Official title | {the preformed part being a lining, e.g. a film or a support lining} |
| Display label | the preformed part being a lining, e.g. a film or a support lining |
| Total patents | 59 |
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 | 3 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 9 |
| 2021 | 5 |
| 2022 | 8 |
| 2023 | 8 |
| 2024 | 8 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing sheet for heat-insulating foamed paper container
US-12503817-B2 · Dec 23, 2025 · US
Floor panel for forming a floor covering
US-12448789-B2 · Oct 21, 2025 · US
High throughput manufacture of polyurethane foam layers
US-12428535-B2 · Sep 30, 2025 · US
Process to yield foam construction boards with low surface irregularities
US-12358190-B1 · Jul 15, 2025 · US
Methods for foam-forming a multi-layer absorbent substrate and such absorbent substrates
US-2025196409-A1 · Jun 19, 2025 · US
Floor panel for forming a floor covering
US-2025059775-A1 · Feb 20, 2025 · US
Floor panel for forming a floor covering
US-12180720-B2 · Dec 31, 2024 · US
Apparatus and method for applying a foaming reaction mixture onto a laminator
US-12065589-B2 · Aug 20, 2024 · US
Multilayer panel member
US-12036766-B2 · Jul 16, 2024 · US
Thermoplastic prepreg based foam product
US-2024190089-A1 · Jun 13, 2024 · US
Expandable web with in-situ combination of expansion material components
US-11958277-B2 · Apr 16, 2024 · US
Thermoplastic prepreg based foam product
US-11938691-B2 · Mar 26, 2024 · US
Composition for self-suction adhering foam sheet and self-suction adhering foam laminate sheet
US-2024034911-A1 · Feb 1, 2024 · US
Floor panel for forming a floor covering
US-2024018791-A1 · Jan 18, 2024 · US
Foam body, layered foam body, laminate and housing building material
US-2023391048-A1 · Dec 7, 2023 · US
Floor panel for forming a floor covering
US-2023383547-A1 · Nov 30, 2023 · US
Floor panel for forming a floor covering
US-11814852-B2 · Nov 14, 2023 · US
Constrained-type vibration-damping metal sheeet having foam pores and method for manufacturing same
US-2023347623-A1 · Nov 2, 2023 · US
Polyurethane-based insulation board
US-11745465-B2 · Sep 5, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C44/321?
- CPC B29C44/321 is the Cooperative Patent Classification code for “the preformed part being a lining, e.g. a film or a support lining.”
- How many patents are filed under CPC B29C44/321 (the preformed part being a lining, e.g. a film or a support lining)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC B29C44/321 growing?
- Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).