Extrusion method and apparatus
US-12325047-B2 · Jun 10, 2025 · US
Extruder feed section
Extruder feed section · 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 | B29C48/501 |
| Official title | {Extruder feed section} |
| Display label | Extruder feed section |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Connecting tube assembly for an extruder
US-2024416571-A1 · Dec 19, 2024 · US
Flow path forming device, extrusion device, and foamed plastic sheet
US-2024399640-A1 · Dec 5, 2024 · US
Method of carrying out thermolysis and thermolysis apparatus
US-12030232-B2 · Jul 9, 2024 · US
Valve incorporating temporary phase change material
US-11964422-B2 · Apr 23, 2024 · US
Thermal Decomposition Extruder, Thermal Decomposition System, and Method of Manufacturing Decomposition Gas and Method of Emitting Decomposition Gas
US-2024076466-A1 · Mar 7, 2024 · US
Device for degassing of a two-component multiphase polymer-monomer material and use thereof in a degassing extruder
US-2024017443-A1 · Jan 18, 2024 · US
Recycling apparatus for a cross-linked polyethylene resin using twin screw extruder
US-11826927-B2 · Nov 28, 2023 · US
Extruder system
US-11780144-B2 · Oct 10, 2023 · US
Extrusion method and apparatus
US-2023201873-A1 · Jun 29, 2023 · US
Extrusion method and apparatus
US-11590530-B2 · Feb 28, 2023 · US
Recycling apparatus for a cross-linked polyethylene resin using twin screw extruder
US-2022339820-A1 · Oct 27, 2022 · US
Heated cylinder for resin melting in molding machine
US-11318651-B2 · May 3, 2022 · US
Modular extruder
US-11161275-B2 · Nov 2, 2021 · US
Valve incorporating temporary phase change material
US-2021245420-A1 · Aug 12, 2021 · US
Extruder system
US-2021206044-A1 · Jul 8, 2021 · US
Valve incorporating temporary phase change material
US-11027483-B2 · Jun 8, 2021 · US
Method of carrying out thermolysis and thermolysis apparatus
US-2020398475-A1 · Dec 24, 2020 · US
Extrusion method and apparatus
US-2020324317-A1 · Oct 15, 2020 · US
Modular extruder
US-2020307023-A1 · Oct 1, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C48/501?
- CPC B29C48/501 is the Cooperative Patent Classification code for “Extruder feed section.”
- How many patents are filed under CPC B29C48/501 (Extruder feed section)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC B29C48/501 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).