Vent stuffer for extruder and extrusion apparatus
US-2026084360-A1 · Mar 26, 2026 · US
a first extruder feeding the melt into an intermediate location of a second extruder
a first extruder feeding the melt into an intermediate location of a second extruder · 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 | B29C48/39 |
| Official title | a first extruder feeding the melt into an intermediate location of a second extruder |
| Display label | a first extruder feeding the melt into an intermediate location of a second extruder |
| Total patents | 55 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 7 |
| 2024 | 4 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Resin processing apparatus, method of manufacturing resin pellets, and method of processing resin material
US-2025375932-A1 · Dec 11, 2025 · US
Conduit inserts for encapsulant compound formulation kneading and encapsulation back-end assembly processes
US-12415305-B2 · Sep 16, 2025 · US
Polyolefin Composition Comprising Polypropylene Polymers and Recycled Plastic Materials
US-2025250429-A1 · Aug 7, 2025 · US
Method and recycling plant for recycling plastic waste material
US-2025178238-A1 · Jun 5, 2025 · US
Plasticizing unit
US-12304125-B2 · May 20, 2025 · US
Method for homogenously incorporating filler into a self-adhesive compound, in particular a thermally crosslinkable self-adhesive compound, based on non-thermoplastic elastomer
US-12186941-B2 · Jan 7, 2025 · US
System and method for continuously manufacturing cured membranes
US-12172358-B2 · Dec 24, 2024 · US
Device and method for producing a dyed and an undyed plastic melt
US-12076904-B2 · Sep 3, 2024 · US
Feeding screw machine for feeding a processing screw machine
US-2024132293-A1 · Apr 25, 2024 · US
Processing system and method for processing an energy storage material
US-2024116013-A1 · Apr 11, 2024 · US
Conduit inserts for encapsulant compound formulation kneading and encapsulation back-end assembly processes
US-2023415397-A1 · Dec 28, 2023 · US
System and method for continuously manufacturing cured membranes
US-2023415396-A1 · Dec 28, 2023 · US
Extruder including rotating outlet and method of using the same
US-11833727-B2 · Dec 5, 2023 · US
Biaxially oriented polyester film and manufacturing method thereof
US-11806909-B2 · Nov 7, 2023 · US
System and method for continuously manufacturing cured membranes
US-11787096-B2 · Oct 17, 2023 · US
Conduit inserts for encapsulant compound formulation kneading and encapsulation back-end assembly processes
US-11787097-B2 · Oct 17, 2023 · US
Plasticizing unit
US-2023302699-A1 · Sep 28, 2023 · US
Device and method for producing a dyed and an undyed plastic melt
US-11440221-B2 · Sep 13, 2022 · US
Conduit inserts for encapsulant compound formulation kneading and encapsulation back-end assembly processes
US-2022250301-A1 · Aug 11, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C48/39?
- CPC B29C48/39 is the Cooperative Patent Classification code for “a first extruder feeding the melt into an intermediate location of a second extruder.”
- How many patents are filed under CPC B29C48/39 (a first extruder feeding the melt into an intermediate location of a second extruder)?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC B29C48/39 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).