Mixing and extrusion machine with self-cleaning twin screw and method of use
US-12508742-B2 · Dec 30, 2025 · US
with rollers or the like, e.g. calenders
with rollers or the like, e.g. calenders · 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 | B29B7/52 |
| Official title | with rollers or the like, e.g. calenders |
| Display label | with rollers or the like, e.g. calenders |
| Total patents | 41 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing polyether nitrile molding material and method for producing polyether nitrile resin composition molding material
US-2025223402-A1 · Jul 10, 2025 · US
Manufacturing method of molded body for sheet-like electrode
US-2025183252-A1 · Jun 5, 2025 · US
Output mechanism of a mixer with converging conical twin screws
US-12042957-B2 · Jul 23, 2024 · US
Modified silicas, process for preparation thereof and use thereof
US-2023264964-A1 · Aug 24, 2023 · US
Process for producing coating composition
US-2023242789-A1 · Aug 3, 2023 · US
Continuous mixing for highly viscous materials
US-11628597-B2 · Apr 18, 2023 · US
Method of producing bio-compatible cross linked polymers for spray applications
US-2023083459-A1 · Mar 16, 2023 · US
Transporting device and kneading machine with rolling element
US-11571835-B2 · Feb 7, 2023 · 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
Continuous mixing for highly viscous materials
US-2022176590-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 making a rubber finish mixture containing at least one reactive additive
US-11141883-B2 · Oct 12, 2021 · US
Cross-linked rubber and production method therefor
US-11084910-B2 · Aug 10, 2021 · US
Screw-type extruder
US-11027475-B2 · Jun 8, 2021 · US
Transporting device and kneading machine
US-2021094203-A1 · Apr 1, 2021 · US
Bonding material, method for producing the same, fiber molded product, and method for producing the same
US-2021053254-A1 · Feb 25, 2021 · US
Screw extruder with rollers
US-2020368958-A1 · Nov 26, 2020 · US
Device for forming thin film member and method of forming thin film member
US-10836081-B2 · Nov 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29B7/52?
- CPC B29B7/52 is the Cooperative Patent Classification code for “with rollers or the like, e.g. calenders.”
- How many patents are filed under CPC B29B7/52 (with rollers or the like, e.g. calenders)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC B29B7/52 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).