Feeding screw machine for feeding a processing screw machine
US-12440814-B2 · Oct 14, 2025 · US
of feeding units
of feeding units · 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 | B29C48/271 |
| Official title | {of feeding units} |
| Display label | of feeding units |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Conduit inserts for encapsulant compound formulation kneading and encapsulation back-end assembly processes
US-12415305-B2 · Sep 16, 2025 · US
Tubular formed body, and storage structure
US-12031644-B2 · Jul 9, 2024 · US
Thermal Decomposition Extruder, Thermal Decomposition System, and Method of Manufacturing Decomposition Gas and Method of Emitting Decomposition Gas
US-2024076466-A1 · Mar 7, 2024 · US
Spinneret assembly for spinning polymeric fibers
US-11885042-B2 · Jan 30, 2024 · US
Conduit inserts for encapsulant compound formulation kneading and encapsulation back-end assembly processes
US-2023415397-A1 · Dec 28, 2023 · US
Conduit inserts for encapsulant compound formulation kneading and encapsulation back-end assembly processes
US-11787097-B2 · Oct 17, 2023 · US
Method for changing the material in an extrusion device
US-2023241804-A1 · Aug 3, 2023 · US
Method for changing the material in an extrusion device
US-11654598-B2 · May 23, 2023 · US
Device and method for producing a dyed and an undyed plastic melt
US-11440221-B2 · Sep 13, 2022 · US
Conduit inserts for encapsulant compound formulation kneading and encapsulation back-end assembly processes
US-2022250301-A1 · Aug 11, 2022 · US
Spinneret assembly for spinning polymeric fibers
US-2022205138-A1 · Jun 30, 2022 · US
Feeding screw machine for feeding a processing screw machine
US-2022184570-A1 · Jun 16, 2022 · US
Spinneret assembly for spinning polymeric fibers
US-11306413-B2 · Apr 19, 2022 · US
Extrusion device and extrusion method that produces a plastic film
US-11273587-B2 · Mar 15, 2022 · US
Method for the step-by-step guidance of a machine operator of an extrusion device when changing from an application formula to a subsequent formula
US-11273589-B2 · Mar 15, 2022 · US
Method for preparing for a change of material in an extrusion device for a film machine
US-11267181-B2 · Mar 8, 2022 · US
Tubular formed body, and storage structure
US-2021293358-A1 · Sep 23, 2021 · US
Method for changing the material in an extrusion device
US-11117305-B2 · Sep 14, 2021 · US
Extrusion device and extrusion method that produces a plastic film
US-10894350-B2 · Jan 19, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C48/271?
- CPC B29C48/271 is the Cooperative Patent Classification code for “of feeding units.”
- How many patents are filed under CPC B29C48/271 (of feeding units)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC B29C48/271 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).