Screw for direct molding, injection molding apparatus, and kneading piece
US-2025340003-A1 · Nov 6, 2025 · US
having sections without mixing elements or threads, i.e. having cylinder shaped sections
having sections without mixing elements or threads, i.e. having cylinder shaped sections · 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 | B29C48/63 |
| Official title | having sections without mixing elements or threads, i.e. having cylinder shaped sections |
| Display label | having sections without mixing elements or threads, i.e. having cylinder shaped sections |
| Total patents | 32 |
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 | 10 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and extruder for preparing a high quality block of immobilized active media
US-2024017462-A1 · Jan 18, 2024 · US
Extruder screw having paths within the screw, extruder, and extrusion method
US-11813785-B2 · Nov 14, 2023 · US
Single-shaft extruder and use of a single-shaft extruder, and method for altering morphology of a superabsorbent polymer gel using a single-shaft extruder
US-11458665-B2 · Oct 4, 2022 · US
Twin screw extruder
US-11312056-B2 · Apr 26, 2022 · US
Extruder screw having paths within the screw, extruder, and extrusion method
US-2021354362-A1 · Nov 18, 2021 · US
Extruder screw having paths within the screw, extruder, and extrusion method
US-11110638-B2 · Sep 7, 2021 · US
Twin screw extruder
US-2021138711-A1 · May 13, 2021 · US
Additive manufacturing apparatus
US-10532512-B2 · Jan 14, 2020 · US
Twin-screw extrusion kneader with movable portions to control viscosity of electrode paste and manufacturing method for electrode paste therewith
US-10532491-B2 · Jan 14, 2020 · US
Additive manufacturing apparatus
US-2019375148-A1 · Dec 12, 2019 · US
Single and twin screw extruders with ultrasound horns for decrosslinking and devulcanization
US-10465059-B2 · Nov 5, 2019 · US
Single-shaft extruder and use of a single-shaft extruder, and method for altering morphology of a superabsorbent polymer gel using a single-shaft extruder
US-2019308358-A1 · Oct 10, 2019 · US
Integrated single and twin screw extruder
US-10124526-B2 · Nov 13, 2018 · US
Device and method for the homogenisation of plastics material melts
US-10093034-B2 · Oct 9, 2018 · US
Twin-screw extrusion kneader and manufacturing method for electrode paste therewith
US-2018093394-A1 · Apr 5, 2018 · US
Kneading apparatus, method for producing thermoplastic resin molded product, and foam injection molding method
US-9718217-B2 · Aug 1, 2017 · US
Single and twin screw extruders with ultrasound horns for decrosslinking and devulcanization
US-9714333-B2 · Jul 25, 2017 · US
Integrated single and twin screw extruder
US-2017173839-A1 · Jun 22, 2017 · US
Integrated single and twin screw extruder
US-9630345-B2 · Apr 25, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C48/63?
- CPC B29C48/63 is the Cooperative Patent Classification code for “having sections without mixing elements or threads, i.e. having cylinder shaped sections.”
- How many patents are filed under CPC B29C48/63 (having sections without mixing elements or threads, i.e. having cylinder shaped sections)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC B29C48/63 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).