High melt strength polypropylene and extrusion process for preserving melt strength
US-11414526-B2 · Aug 16, 2022 · US
Filters or screens for the moulding material
Filters or screens for the moulding material · 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 | B29C48/69 |
| Official title | Filters or screens for the moulding material |
| Display label | Filters or screens for the moulding material |
| Total patents | 97 |
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 | 7 |
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 13 |
| 2019 | 10 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 12 |
| 2023 | 6 |
| 2024 | 12 |
| 2025 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Devices, systems, and processes for processing polymers
US-11383416-B2 · Jul 12, 2022 · US
Biaxially oriented polyester film and manufacturing method thereof
US-2022193971-A1 · Jun 23, 2022 · US
Tube, method for producing tube, and method for storing tube
US-2022170573-A1 · Jun 2, 2022 · US
Systems and methods for manufacturing bulked continuous filament
US-2022152879-A1 · May 19, 2022 · US
Method of manufacturing polycarbonate resin pellets
US-11208552-B2 · Dec 28, 2021 · US
Systems and methods for manufacturing bulked continuous filament
US-11179868-B2 · Nov 23, 2021 · US
Extrusion method for producing a thermoplastic molding compound, and device for carrying out the method
US-2021122086-A1 · Apr 29, 2021 · US
Black film
US-10851216-B2 · Dec 1, 2020 · US
Methods for manufacturing bulked continuous filament
US-2020262122-A1 · Aug 20, 2020 · US
Methods of Making Thermoplastic Vulcanizates
US-2020247009-A1 · Aug 6, 2020 · US
Systems and methods for manufacturing bulked continuous filament
US-2020206981-A1 · Jul 2, 2020 · US
Methods for gel reduction in polyolefins
US-10682797-B2 · Jun 16, 2020 · US
Methods for manufacturing bulked continuous filament
US-10647046-B2 · May 12, 2020 · US
Methods for manufacturing bulked continuous carpet filament
US-10538016-B2 · Jan 21, 2020 · US
Systems and methods for manufacturing bulked continuous filament
US-2019381699-A1 · Dec 19, 2019 · US
Systems and methods for manufacturing bulked continuous filament from colored recycled pet
US-2019368074-A1 · Dec 5, 2019 · US
Recycling processes for laminates and multi-layers
US-2019366591-A1 · Dec 5, 2019 · US
Methods for controlling polymer chain scission
US-10471641-B2 · Nov 12, 2019 · US
Extrusion pelletizer for polycarbonate resin and method for extrusion-pelletizing polycarbonate resin
US-10464235-B2 · Nov 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C48/69?
- CPC B29C48/69 is the Cooperative Patent Classification code for “Filters or screens for the moulding material.”
- How many patents are filed under CPC B29C48/69 (Filters or screens for the moulding material)?
- Our database includes 97 publications tagged with this CPC code.
- Is patent activity under CPC B29C48/69 growing?
- Publication counts under this code: 12 in 2024 vs 12 in 2025 (latest complete years).