Apparatus for dispensing a composition
US-12441044-B2 · Oct 14, 2025 · US
Drive or actuation means; Transmission means; Screw supporting means
Drive or actuation means; Transmission means; Screw supporting means · 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 | B29C48/252 |
| Official title | {Drive or actuation means; Transmission means; Screw supporting means} |
| Display label | Drive or actuation means; Transmission means; Screw supporting means |
| Total patents | 50 |
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 | 6 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Plasticizing unit
US-12304125-B2 · May 20, 2025 · US
Molding machine system, torque derivation system, torque derivation method and program
US-2024399639-A1 · Dec 5, 2024 · US
Direct print extruder with a multi-faceted adjustable output pressure
US-2024383202-A1 · Nov 21, 2024 · US
Buffer system and method for buffering a length of a strip between an input side and an output side, and related computer program product
US-2024190676-A1 · Jun 13, 2024 · US
Puller apparatus with movable mounting arm
US-11969932-B2 · Apr 30, 2024 · US
Rotating nozzle structure and method
US-11911949-B2 · Feb 27, 2024 · US
Screw machine
US-2023373148-A1 · Nov 23, 2023 · US
Plasticizing unit
US-2023302699-A1 · Sep 28, 2023 · US
Twin-screw extruder, gear box and method for extrusion
US-11618199-B2 · Apr 4, 2023 · US
Apparatus for dispensing a composition
US-2023091065-A1 · Mar 23, 2023 · US
Filtering device and method for operating same
US-11577438-B2 · Feb 14, 2023 · US
Rotating nozzle structure and method
US-2023032408-A1 · Feb 2, 2023 · US
Extruder screw with conveying portions and barrier portions and extrusion methods using the extruder screw and a plurality of barrel blocks
US-11400632-B2 · Aug 2, 2022 · US
Extrusion molding apparatus and its control method
US-2022184872-A1 · Jun 16, 2022 · US
Systems, methods, and devices for actuation of build material
US-2021331376-A1 · Oct 28, 2021 · US
System for operating extruder heads in three-dimensional object printers
US-11104118-B2 · Aug 31, 2021 · US
Method for operating a constant pressure filament driver to an extruder head in a three-dimensional object printer
US-10906224-B2 · Feb 2, 2021 · US
Puller apparatus with movable mounting arm
US-2020406324-A1 · Dec 31, 2020 · US
Twin-screw extruder, gear box and method for extrusion
US-2020398474-A1 · Dec 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C48/252?
- CPC B29C48/252 is the Cooperative Patent Classification code for “Drive or actuation means; Transmission means; Screw supporting means.”
- How many patents are filed under CPC B29C48/252 (Drive or actuation means; Transmission means; Screw supporting means)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC B29C48/252 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).