Screw machine with a rotatable filter in a deaeration port
US-12459185-B2 · Nov 4, 2025 · US
Vent constructions, e.g. venting means avoiding melt escape
Vent constructions, e.g. venting means avoiding melt escape · 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 | B29C48/763 |
| Official title | {Vent constructions, e.g. venting means avoiding melt escape} |
| Display label | Vent constructions, e.g. venting means avoiding melt escape |
| Total patents | 26 |
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 | 4 |
| 2016 | 2 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 1 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Extruder
US-12390975-B2 · Aug 19, 2025 · US
Extruder
US-12304111-B2 · May 20, 2025 · US
Extruder screw having paths within the screw, extruder, and extrusion method
US-11752682-B2 · Sep 12, 2023 · US
Screw machine
US-2023211538-A1 · Jul 6, 2023 · US
Injection apparatus
US-11548196-B2 · Jan 10, 2023 · US
Extruder
US-2022126481-A1 · Apr 28, 2022 · US
Extruder
US-2022118671-A1 · Apr 21, 2022 · US
Extruder screw having paths within the screw, extruder, and extrusion method
US-2021154906-A1 · May 27, 2021 · US
Injection apparatus
US-2021129402-A1 · May 6, 2021 · US
Extruder screw having paths within the screw, extruder, and extrusion method
US-10967554-B2 · Apr 6, 2021 · US
Method of recovering lactide
US-10336882-B2 · Jul 2, 2019 · US
Method of recovering lactide
US-2018346682-A1 · Dec 6, 2018 · US
Stuffing screw
US-2018015434-A1 · Jan 18, 2018 · 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
Screw machine and method as well as processing installation for the processing of bulk material
US-9688003-B2 · Jun 27, 2017 · US
Method for producing thermoplastic molding compounds, and thermoplastic molding compounds produced according thereto
US-9656408-B2 · May 23, 2017 · US
Extruder screw, extruder, and extrusion method
US-2017113394-A1 · Apr 27, 2017 · US
Degassing method, degassing device and use of screw elements
US-2017058095-A1 · Mar 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C48/763?
- CPC B29C48/763 is the Cooperative Patent Classification code for “Vent constructions, e.g. venting means avoiding melt escape.”
- How many patents are filed under CPC B29C48/763 (Vent constructions, e.g. venting means avoiding melt escape)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC B29C48/763 growing?
- Publication counts under this code: 3 in 2023 vs 3 in 2025 (latest complete years).