Twin-screw extrusion device and processing method therefor
US-12427707-B2 · Sep 30, 2025 · US
characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw · 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 | B29C48/59 |
| Official title | characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw |
| Display label | characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 4 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Extruder
US-12390975-B2 · Aug 19, 2025 · US
Twin-screw extrusion device and processing method therefor
US-2025249635-A1 · Aug 7, 2025 · US
Plastic optical fiber manufacturing method and plastic optical fiber manufacturing apparatus
US-2024375336-A1 · Nov 14, 2024 · US
Method of carrying out thermolysis and thermolysis apparatus
US-12030232-B2 · Jul 9, 2024 · US
Dispensing device and methods thereof
US-2024173908-A1 · May 30, 2024 · US
Co-rotating dual speed multi-screw extruder and processing method thereof
US-11648721-B2 · May 16, 2023 · US
Single-screw extruder with hollow rotor member
US-11548198-B2 · Jan 10, 2023 · US
System and method for extruding composite filament
US-11498255-B2 · Nov 15, 2022 · US
Counter-rotating differential speed extrusion device, extruder and method for manufacturing materials
US-11485063-B2 · Nov 1, 2022 · US
Process for the preparation of a reinforced polyamide by extrusion
US-11440231-B2 · Sep 13, 2022 · US
Extruder
US-2022118671-A1 · Apr 21, 2022 · US
Counter-rotating differential speed extrusion device, extruder and method for manufacturing materials
US-2021308929-A1 · Oct 7, 2021 · US
Screw-type extruder
US-11027475-B2 · Jun 8, 2021 · US
System and method for extruding composite filament
US-2021086427-A1 · Mar 25, 2021 · US
Method of carrying out thermolysis and thermolysis apparatus
US-2020398475-A1 · Dec 24, 2020 · US
Co-rotating dual speed multi-screw extruder and processing method thereof
US-2020338802-A1 · Oct 29, 2020 · US
Process for continuous granulation of powder material
US-10792634-B2 · Oct 6, 2020 · US
Mixing section for plastic extrusion screw
US-10513051-B2 · Dec 24, 2019 · US
Process for the Preparation of a Reinforced Polyamide by Extrusion
US-2019202102-A1 · Jul 4, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C48/59?
- CPC B29C48/59 is the Cooperative Patent Classification code for “characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw.”
- How many patents are filed under CPC B29C48/59 (characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC B29C48/59 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).