Method for producing resin composition
US-2025313696-A1 · Oct 9, 2025 · US
Extrusion in non-steady condition, e.g. start-up or shut-down
Extrusion in non-steady condition, e.g. start-up or shut-down · 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 | B29C48/269 |
| Official title | {Extrusion in non-steady condition, e.g. start-up or shut-down} |
| Display label | Extrusion in non-steady condition, e.g. start-up or shut-down |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polymer extrusion process
US-12318985-B2 · Jun 3, 2025 · US
Method for starting or terminating production of a film in a film manufacturing machine, film manufacturing machine and computer program product
US-12157259-B2 · Dec 3, 2024 · US
Kneading extrusion apparatus, its control method, and method for manufacturing resin compound
US-2024375315-A1 · Nov 14, 2024 · US
Extruder for the extrusion of food or feed
US-12115712-B2 · Oct 15, 2024 · US
Circuit and process for managing transients in a plant for continuous mass production of granulated expandable polymers
US-12030222-B2 · Jul 9, 2024 · US
Method for automatically regulating the size of a slot of a nozzle assembly and control and/or regulation system
US-11999091-B2 · Jun 4, 2024 · US
Method for automatically regulating the size of a slot of a nozzle assembly and control and/or regulation system
US-11931943-B2 · Mar 19, 2024 · US
Method for starting or terminating production of a film in a film manufacturing machine, film manufacturing machine and computer program product
US-2024083083-A1 · Mar 14, 2024 · US
Method for easy start-up of a production line for manufacturing extruded plates
US-11780126-B2 · Oct 10, 2023 · US
Polymer Extrusion Process
US-2023202089-A1 · Jun 29, 2023 · US
Methods for optimized extruder startup
US-2023079477-A1 · Mar 16, 2023 · US
Valve
US-2023036365-A1 · Feb 2, 2023 · US
Method For Easy Start-Up Of A Production Line For Manufacturing Extruded Plates
US-2022297355-A1 · Sep 22, 2022 · US
Starting-valve throttle device for delivering a melt from a screw extruder, and system for preparing bulk material having a starting-valve throttle device of this type, and method for delivering a melt from a screw extruder by means of a starting-valve throttle device of this type
US-11273590-B2 · Mar 15, 2022 · US
Method for Automatically Regulating the Size of a Slot of a Nozzle Assembly and Control and/or Regulation System
US-2021237327-A1 · Aug 5, 2021 · US
Method for Automatically Regulating the Size of a Slot of a Nozzle Assembly and Control and/or Regulation System
US-2021213668-A1 · Jul 15, 2021 · US
Extruder for the extrusion of food or feed
US-2021053268-A1 · Feb 25, 2021 · US
Circuit and process for managing transients in a plant for continuous mass production of granulated expandable polymers
US-2020346368-A1 · Nov 5, 2020 · US
Blown film line and method for operating a blown film line
US-10780622-B2 · Sep 22, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C48/269?
- CPC B29C48/269 is the Cooperative Patent Classification code for “Extrusion in non-steady condition, e.g. start-up or shut-down.”
- How many patents are filed under CPC B29C48/269 (Extrusion in non-steady condition, e.g. start-up or shut-down)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC B29C48/269 growing?
- Publication counts under this code: 7 in 2024 vs 2 in 2025 (latest complete years).