Extruder, dehydration cylinder, dehydrating method and manufacturing method of resin pellet
US-2025367856-A1 · Dec 4, 2025 · US
Barrels or cylinders
Barrels or cylinders · 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 | B29C48/68 |
| Official title | Barrels or cylinders |
| Display label | Barrels or cylinders |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 8 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing carbon fiber composite material
US-2025353225-A1 · Nov 20, 2025 · US
Extruder and method of manufacturing resin product
US-12459187-B2 · Nov 4, 2025 · US
Abnormality detection device for extrusion molding machine
US-12434419-B2 · Oct 7, 2025 · US
Extruder, dehydration cylinder, dehydrating method and manufacturing method of resin pellet
US-12403630-B2 · Sep 2, 2025 · US
Simulation device, simulation method and simulation program
US-2025196423-A1 · Jun 19, 2025 · US
Plasticizing unit
US-12304125-B2 · May 20, 2025 · US
Extruder
US-12304111-B2 · May 20, 2025 · US
Resin composition for laser welding, composite molded body, and method for improving laser beam transmittance of resin composition
US-2025129232-A1 · Apr 24, 2025 · US
Bio-pen structure for improving mixing homogeneity and bio-printing method using the same
US-2025042081-A1 · Feb 6, 2025 · US
Heating apparatus for at least one housing section of a screw extruder and method for servicing a heating apparatus of this kind
US-12057664-B2 · Aug 6, 2024 · US
Granulator, kneading adjustment mechanism, and method of manufacturing resin pellets
US-2024208106-A1 · Jun 27, 2024 · US
Extruder and method of manufacturing resin product
US-2024116235-A1 · Apr 11, 2024 · US
Method and extruder for preparing a high quality block of immobilized active media
US-2024017462-A1 · Jan 18, 2024 · US
Extruder system
US-11780144-B2 · Oct 10, 2023 · US
Plasticizing unit
US-2023302699-A1 · Sep 28, 2023 · US
Continuous cycle systems and methods for moulding single objects from plastic material
US-2023271370-A1 · Aug 31, 2023 · US
Shearing part
US-11639016-B2 · May 2, 2023 · US
Single-screw extruder with hollow rotor member
US-11548198-B2 · Jan 10, 2023 · US
Extruder, dehydration cylinder, dehydrating method and manufacturing method of resin pellet
US-2022355511-A1 · Nov 10, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C48/68?
- CPC B29C48/68 is the Cooperative Patent Classification code for “Barrels or cylinders.”
- How many patents are filed under CPC B29C48/68 (Barrels or cylinders)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC B29C48/68 growing?
- Publication counts under this code: 4 in 2024 vs 10 in 2025 (latest complete years).