Method of Foaming a Milled Precursor
US-2020375305-A1 · Dec 3, 2020 · US
Feeding the blowing agent
Feeding the blowing agent · 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 | B29C44/3446 |
| Official title | {Feeding the blowing agent} |
| Display label | Feeding the blowing agent |
| Total patents | 158 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 6 |
| 2017 | 7 |
| 2018 | 15 |
| 2019 | 17 |
| 2020 | 19 |
| 2021 | 11 |
| 2022 | 19 |
| 2023 | 18 |
| 2024 | 16 |
| 2025 | 13 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods for producing gas-infused, lightweight overmolding solution for carbon fiber parts
US-2020324442-A1 · Oct 15, 2020 · US
Injection molding apparatus and injection molding method
US-2020307042-A1 · Oct 1, 2020 · US
Foamed sole components and method for making a sole with foamed sole components
US-2020281314-A1 · Sep 10, 2020 · US
Process and device for producing foamed molded object
US-10703029-B2 · Jul 7, 2020 · US
Process and device for producing molded foam
US-10632663-B2 · Apr 28, 2020 · US
Method for manufacturing foamable injection molding and injection device therefor
US-10543627-B2 · Jan 28, 2020 · US
Manufacturing method and manufacturing device for foam molded article
US-2019389115-A1 · Dec 26, 2019 · US
System and method for forming a polyurethane foam including on demand introduction of additive to resin component
US-10494471-B2 · Dec 3, 2019 · US
Solid state microcellular foaming method including continuous saturation of solid polymeric material
US-10479003-B2 · Nov 19, 2019 · US
Method for producing container for foods
US-2019337201-A1 · Nov 7, 2019 · US
Mixing device for producing a plastic melt loaded with a propellant
US-2019329463-A1 · Oct 31, 2019 · US
Method and apparatus for manufacturing foamed product
US-2019329462-A1 · Oct 31, 2019 · US
Deep drawn microcellularly foamed polymeric containers made via solid-state gas impregnation thermoforming
US-10391687-B2 · Aug 27, 2019 · US
Method of Foaming a Milled Precursor
US-2019248975-A1 · Aug 15, 2019 · US
Method of foaming a milled precursor
US-10308779-B2 · Jun 4, 2019 · US
Polypropylene-type resin pre-expanded particles, and method for producing said pre-expanded particles
US-2019153188-A1 · May 23, 2019 · US
Process for producing parts having increased impact performance by use of an injection molding foaming process in combination with a mold core-back process
US-2019118434-A1 · Apr 25, 2019 · US
Method and thermoplastic foamed article
US-10232533-B2 · Mar 19, 2019 · US
Method for manufacturing foamable injection molding and injection device therefor
US-2019077059-A1 · Mar 14, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C44/3446?
- CPC B29C44/3446 is the Cooperative Patent Classification code for “Feeding the blowing agent.”
- How many patents are filed under CPC B29C44/3446 (Feeding the blowing agent)?
- Our database includes 158 publications tagged with this CPC code.
- Is patent activity under CPC B29C44/3446 growing?
- Publication counts under this code: 16 in 2024 vs 13 in 2025 (latest complete years).