Composite structure for a crossarm
US-2024165908-A1 · May 23, 2024 · US
using pressure difference, e.g. by extrusion or by spraying {(B29C44/468 takes precedence)}
using pressure difference, e.g. by extrusion or by spraying {(B29C44/468 takes precedence)} · 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 | B29C44/50 |
| Official title | using pressure difference, e.g. by extrusion or by spraying {(B29C44/468 takes precedence)} |
| Display label | using pressure difference, e.g. by extrusion or by spraying {(B29C44/468 takes precedence)} |
| Total patents | 128 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 12 |
| 2017 | 8 |
| 2018 | 7 |
| 2019 | 13 |
| 2020 | 13 |
| 2021 | 13 |
| 2022 | 11 |
| 2023 | 16 |
| 2024 | 12 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Assembling fiber-reinforced foams
US-2020331179-A1 · Oct 22, 2020 · US
Extrusion method and apparatus
US-2020324317-A1 · Oct 15, 2020 · US
High Melt Strength Polypropylene With High Stiffness And Clarity
US-2020325320-A1 · Oct 15, 2020 · US
Method of making coextruded, crosslinked polyolefin foam with kee cap layers
US-2020307039-A1 · Oct 1, 2020 · US
Polymeric foam layer and methods of making the same
US-2020230911-A1 · Jul 23, 2020 · US
Foamable thermoplastic polyester copolymer
US-2020172661-A1 · Jun 4, 2020 · US
Process and device for producing molded foam
US-10632663-B2 · Apr 28, 2020 · US
Manufacturing process and composition for foamed pvc-p rock shields
US-2020040172-A1 · Feb 6, 2020 · US
Flame retardant foam and manufacturing method of flame retardant foam
US-2019345303-A1 · Nov 14, 2019 · US
Thermally insulating foam with vertically elongated cells
US-10472482-B2 · Nov 12, 2019 · US
Method for producing polyethylene-based resin laminated foam sheet, polyethylene-based resin laminated foam sheet, and interleaf for glass plate using thereof
US-10465057-B2 · Nov 5, 2019 · US
Manufacturing process and composition for foamed PVC-P rock shields
US-10465067-B2 · Nov 5, 2019 · US
Method and apparatus for manufacturing foamed product
US-2019329462-A1 · Oct 31, 2019 · US
Push-in earplug
US-10441471-B2 · Oct 15, 2019 · US
Shim-stack foaming die
US-10421227-B2 · Sep 24, 2019 · US
Extruded starch-lignin foams
US-10400105-B2 · Sep 3, 2019 · US
Manufacturing process and composition for foamed pvc-p rock shields
US-2019264018-A1 · Aug 29, 2019 · US
Coextruded, crosslinked multilayer polyolefin foam structures and methods of making the same
US-10384388-B2 · Aug 20, 2019 · US
Manufacturing process and composition for foamed PVC-P rock shields
US-10344157-B2 · Jul 9, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C44/50?
- CPC B29C44/50 is the Cooperative Patent Classification code for “using pressure difference, e.g. by extrusion or by spraying {(B29C44/468 takes precedence)}.”
- How many patents are filed under CPC B29C44/50 (using pressure difference, e.g. by extrusion or by spraying {(B29C44/468 takes precedence)})?
- Our database includes 128 publications tagged with this CPC code.
- Is patent activity under CPC B29C44/50 growing?
- Publication counts under this code: 12 in 2024 vs 10 in 2025 (latest complete years).