2-stage extrusion apparatus and method of extrusion
US-2018370110-A1 · Dec 27, 2018 · US
through a degassing opening of a barrel
through a degassing opening of a barrel · 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 | B29C48/767 |
| Official title | {through a degassing opening of a barrel} |
| Display label | through a degassing opening of a barrel |
| Total patents | 232 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 14 |
| 2017 | 23 |
| 2018 | 17 |
| 2019 | 21 |
| 2020 | 29 |
| 2021 | 23 |
| 2022 | 31 |
| 2023 | 23 |
| 2024 | 18 |
| 2025 | 14 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
2-stage extrusion apparatus and method of extrusion
US-10105889-B2 · Oct 23, 2018 · US
Extrusion apparatus and method using variable extrusion gate
US-10086548-B2 · Oct 2, 2018 · US
Polymerization coupled compounding process
US-10081712-B2 · Sep 25, 2018 · US
Polymerization coupled compounding process
US-10077341-B2 · Sep 18, 2018 · US
Biaxial or tri-axial eccentric rotor volume pulsed deformation plasticizing method and device
US-2018200937-A1 · Jul 19, 2018 · US
Method for removing volatile components from elastomer-containing media and degassing devices therefor
US-9925693-B2 · Mar 27, 2018 · US
Production method of producing fiber-reinforced resin molding
US-9849614-B2 · Dec 26, 2017 · US
Process for the production of water and solvent-free polymers
US-9834618-B2 · Dec 5, 2017 · US
Ultra-high purity polycarbonates having good inherent color and thermal resistance and a device and a method for producing the same
US-9828464-B2 · Nov 28, 2017 · US
Hybrid sustainable composites and methods of making and using thereof
US-9809702-B2 · Nov 7, 2017 · US
Method and device of manufacturing fiber-reinforced resin material
US-2017266846-A1 · Sep 21, 2017 · US
Degassing method, degassing device and use of screw elements
US-9738770-B2 · Aug 22, 2017 · US
Vent assembly device for twin-screw extruder
US-9731448-B2 · Aug 15, 2017 · US
Extruder and kneading device
US-2017225360-A1 · Aug 10, 2017 · US
Heat resistant toughened thermoplastic composition for injection molding
US-9718225-B2 · Aug 1, 2017 · US
Extrusion Apparatus and Method Using Variable Extrusion Gate
US-2017197346-A1 · Jul 13, 2017 · US
2-Stage Extrusion Apparatus and Method of Extrusion
US-2017197350-A1 · Jul 13, 2017 · US
Screw machine and method as well as processing installation for the processing of bulk material
US-9688003-B2 · Jun 27, 2017 · US
Method for degrading (co)polymers in an extruder and extruder for performing the method
US-9683065-B2 · Jun 20, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C48/767?
- CPC B29C48/767 is the Cooperative Patent Classification code for “through a degassing opening of a barrel.”
- How many patents are filed under CPC B29C48/767 (through a degassing opening of a barrel)?
- Our database includes 232 publications tagged with this CPC code.
- Is patent activity under CPC B29C48/767 growing?
- Publication counts under this code: 18 in 2024 vs 14 in 2025 (latest complete years).