Method and apparatus for the production of a rubber compound used for the manufacture of an article made from rubber or a pneumatic tire technical sector
US-12589523-B2 · Mar 31, 2026 · US
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for auxiliary fluids, e.g. foaming agents
for auxiliary fluids, e.g. foaming agents · 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 | B29C48/515 |
| Official title | for auxiliary fluids, e.g. foaming agents |
| Display label | for auxiliary fluids, e.g. foaming agents |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus for dispensing a composition
US-12441044-B2 · Oct 14, 2025 · US
Kneading method for use with kneading apparatus with first and second extruders
US-12403628-B2 · Sep 2, 2025 · US
Extruder for extruding an electrically insulating layer comprising an extrusion screw having a liquid injection channel
US-2024127985-A1 · Apr 18, 2024 · US
Metal member, and method for processing rubber material using device comprising said metal member
US-2023173733-A1 · Jun 8, 2023 · US
Kneading apparatus with first and second extruders
US-2023125116-A1 · Apr 27, 2023 · US
Apparatus for dispensing a composition
US-2023091065-A1 · Mar 23, 2023 · US
Kneading apparatus with first and second extruders
US-11565440-B2 · Jan 31, 2023 · US
Method and apparatus for the production of a rubber compound used for the manufacture of an article made from rubber or a pneumatic tire technical sector
US-2022388200-A1 · Dec 8, 2022 · US
Extruder screw passages, extruder and extrusion method
US-11400633-B2 · Aug 2, 2022 · US
Material conveying screw and method for producing same
US-11260648-B2 · Mar 1, 2022 · US
Extrusion apparatus for ceramic structures and honeycomb filters
US-2021162625-A1 · Jun 3, 2021 · US
Material conveying screw and method for producing same
US-2020282622-A1 · Sep 10, 2020 · US
Device for extruding elastomer mixtures
US-10343322-B2 · Jul 9, 2019 · US
Extrusion apparatus and methods
US-2018354181-A1 · Dec 13, 2018 · US
Kneading apparatus and kneading method
US-2017050366-A1 · Feb 23, 2017 · US
Extruder screw, extruder and extrusion method
US-2017021547-A1 · Jan 26, 2017 · US
Device for extruding elastomer mixtures
US-2016151953-A1 · Jun 2, 2016 · US