Plasticizing unit for a molding machine
US-12397490-B2 · Aug 26, 2025 · US
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Cylindrical or conical filters
Cylindrical or conical filters · 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 | B29C48/694 |
| Official title | Cylindrical or conical filters |
| Display label | Cylindrical or conical filters |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Plasticizing unit for a molding machine
US-2024083088-A1 · Mar 14, 2024 · US
Filter unit for an extruder assembly, filter arrangement and corresponding filter changing device and method for producing such a filter unit
US-2023264407-A1 · Aug 24, 2023 · US
Filtering device and method for operating same
US-11577438-B2 · Feb 14, 2023 · US
Devices, systems, and processes for processing polymers
US-11383416-B2 · Jul 12, 2022 · US
Devices, systems, and processes for processing polymers
US-11325294-B2 · May 10, 2022 · US
Filtering device and cleaning unit for removing dirt particles from a filter element of a filtering device
US-10974177-B2 · Apr 13, 2021 · US
Injection molding machine
US-10828815-B2 · Nov 10, 2020 · US
Devices, systems, and processes for processing polymers
US-10576675-B2 · Mar 3, 2020 · US
Extrusion pelletizer for polycarbonate resin and method for extrusion-pelletizing polycarbonate resin
US-10464235-B2 · Nov 5, 2019 · US
Filtering device and method for operating same
US-2019009448-A1 · Jan 10, 2019 · US
Devices, Systems, and Processes for Processing Polymers
US-2018304517-A1 · Oct 25, 2018 · US
Devices, Systems, and Processes for Processing Polymers
US-2018297262-A1 · Oct 18, 2018 · US
Filter candle to separate contaminants from a plastic melt
US-2018071967-A1 · Mar 15, 2018 · US
Filtering device and cleaning unit for removing dirt particles from a filter element of a filtering device
US-2018008911-A1 · Jan 11, 2018 · US
Injection molding machine
US-2017368730-A1 · Dec 28, 2017 · US
Devices, Systems, and Processes for Processing Polymers
US-2017305058-A1 · Oct 26, 2017 · US
Extrusion pelletizer for polycarbonate resin and method for extrusion-pelletizing polycarbonate resin
US-2015360393-A1 · Dec 17, 2015 · US