Kneading rotor, kneading machine, method for kneading rubber material, and method for manufacturing kneading rotor
US-12544954-B2 · Feb 10, 2026 · US
with intermeshing devices, e.g. screws
with intermeshing devices, e.g. screws · 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 | B29B7/20 |
| Official title | with intermeshing devices, e.g. screws |
| Display label | with intermeshing devices, e.g. screws |
| Total patents | 46 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thermoplastic compositions of polyetheretherketones having improved tribological material properties and use thereof
US-12516178-B2 · Jan 6, 2026 · US
Mixing and extrusion machine with self-cleaning twin screw and method of use
US-12508742-B2 · Dec 30, 2025 · US
Polymer recyclate blends and products
US-2025368812-A1 · Dec 4, 2025 · US
Machine learning method, machine learning device, machine learning program, communication method, and kneading device
US-12420452-B2 · Sep 23, 2025 · US
Output mechanism of a mixer with converging conical twin screws
US-12042957-B2 · Jul 23, 2024 · US
Mixing apparatus
US-11944944-B2 · Apr 2, 2024 · US
Apparatus for mixing materials dissolved in a high-pressure working fluid
US-11931709-B2 · Mar 19, 2024 · US
Reinforcement of elastomers by reactive ionic surfactant
US-11827769-B2 · Nov 28, 2023 · US
Method for the manufacture of a modified polycarbonate
US-2023331910-A1 · Oct 19, 2023 · US
Thermoplastic compositions of polyetheretherketones having improved tribological material properties and use thereof
US-2023272190-A1 · Aug 31, 2023 · US
Machine learning method, machine learning device, machine learning program, communication method, and kneading device
US-2023202070-A1 · Jun 29, 2023 · US
Rubber composition manufacturing method and tire manufacturing method
US-2023203284-A1 · Jun 29, 2023 · US
Method of producing adhesive resin
US-11624010-B2 · Apr 11, 2023 · US
Kneading rotor, kneading machine, method for kneading rubber material, and method for manufacturing kneading rotor
US-2022347887-A1 · Nov 3, 2022 · US
Mixing and extrusion machine with self-cleaning twin screw and method of use
US-2022258379-A1 · Aug 18, 2022 · US
Output mechanism of a mixer with converging conical twin screws
US-2022176591-A1 · Jun 9, 2022 · US
Twin-screw mixing and extrusion machine with mobile elements
US-2022152874-A1 · May 19, 2022 · US
Apparatus and method for extruding rubber mixtures
US-11279060-B2 · Mar 22, 2022 · US
Kneading rotor and batch-type kneading machine
US-11267162-B2 · Mar 8, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29B7/20?
- CPC B29B7/20 is the Cooperative Patent Classification code for “with intermeshing devices, e.g. screws.”
- How many patents are filed under CPC B29B7/20 (with intermeshing devices, e.g. screws)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC B29B7/20 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).