Apparatus and method for producing objects in continuous cycle from plastic material
US-2026084350-A1 · Mar 26, 2026 · US
using a screw extruder and a ram or piston
using a screw extruder and a ram or piston · 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 | B29C48/388 |
| Official title | {using a screw extruder and a ram or piston} |
| Display label | using a screw extruder and a ram or piston |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Motor core manufacturing device, and motor core manufacturing method
US-2026008212-A1 · Jan 8, 2026 · US
Apparatus and method for producing objects in continuous cycle from plastic material
US-12515384-B2 · Jan 6, 2026 · US
Apparatus and method for producing objects in continuous cycle from plastic material
US-2025339998-A1 · Nov 6, 2025 · US
Die lip opening/closing device
US-12434418-B2 · Oct 7, 2025 · US
Conduit inserts for encapsulant compound formulation kneading and encapsulation back-end assembly processes
US-12415305-B2 · Sep 16, 2025 · US
Method for consolidating a bulk molding compound
US-12318987-B2 · Jun 3, 2025 · US
Structure manufacturing method and retaining device
US-12059825-B2 · Aug 13, 2024 · US
Die lip opening/closing device
US-2024246278-A1 · Jul 25, 2024 · US
Container, folding container
US-11912464-B2 · Feb 27, 2024 · US
Conduit inserts for encapsulant compound formulation kneading and encapsulation back-end assembly processes
US-2023415397-A1 · Dec 28, 2023 · US
Apparatus and method for producing objects in continuous cycle from plastic material
US-2023390974-A1 · Dec 7, 2023 · US
System and method for extruding complex profiles from elastomer mixtures
US-2023356448-A1 · Nov 9, 2023 · US
Conduit inserts for encapsulant compound formulation kneading and encapsulation back-end assembly processes
US-11787097-B2 · Oct 17, 2023 · US
Method for Consolidating a Bulk Molding Compound
US-2022258402-A1 · Aug 18, 2022 · US
Conduit inserts for encapsulant compound formulation kneading and encapsulation back-end assembly processes
US-2022250301-A1 · Aug 11, 2022 · US
Die, manufacturing method therefor, and molded body manufacturing method
US-11267187-B2 · Mar 8, 2022 · US
Molded article and manufacturing method for same
US-11241807-B2 · Feb 8, 2022 · US
Resin infusion process for manufacturing fiber-reinforced composites
US-11123936-B2 · Sep 21, 2021 · US
Structure manufacturing method and retaining device
US-2021221033-A1 · Jul 22, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C48/388?
- CPC B29C48/388 is the Cooperative Patent Classification code for “using a screw extruder and a ram or piston.”
- How many patents are filed under CPC B29C48/388 (using a screw extruder and a ram or piston)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC B29C48/388 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).