Injection unit for a molding machine
US-2022371245-A1 · Nov 24, 2022 · US
Axially movable screw
Axially movable screw · 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 | B29C45/50 |
| Official title | Axially movable screw |
| Display label | Axially movable screw |
| Total patents | 128 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 9 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 8 |
| 2020 | 9 |
| 2021 | 19 |
| 2022 | 11 |
| 2023 | 20 |
| 2024 | 24 |
| 2025 | 14 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of determining a solution state of a gas
US-11465322-B2 · Oct 11, 2022 · US
Injection molding machine and screw control method for injection molding machine
US-11433589-B2 · Sep 6, 2022 · US
Screw driving device, injection device and injection molding machine
US-2022258395-A1 · Aug 18, 2022 · US
Injector
US-2022097271-A1 · Mar 31, 2022 · US
Method of injection molding with down cavity detection
US-2021387393-A1 · Dec 16, 2021 · US
Plasticizing device for a molding machine
US-2021354356-A1 · Nov 18, 2021 · US
Plasticizing screw for a molding machine
US-2021331364-A1 · Oct 28, 2021 · US
Electronic encapsulation through stencil printing
US-2021321524-A1 · Oct 14, 2021 · US
Injection device
US-2021308921-A1 · Oct 7, 2021 · US
Molding material supply device and molding material supply method
US-2021260801-A1 · Aug 26, 2021 · US
Screw of injection molding machine for foam molding and injection molding machine
US-2021178648-A1 · Jun 17, 2021 · US
Control device and control method for injection molding machine
US-2021178649-A1 · Jun 17, 2021 · US
Method of influencing a backpressure length and/or a screw return speed
US-2021162643-A1 · Jun 3, 2021 · US
Control device and control method for injection molding machine
US-2021094214-A1 · Apr 1, 2021 · US
Control device and control method for injection molding machine
US-2021094213-A1 · Apr 1, 2021 · US
Control device and control method for injection molding machine
US-2021086421-A1 · Mar 25, 2021 · US
Control device and control method for injection molding machine
US-2021078231-A1 · Mar 18, 2021 · US
Control device and control method for injection molding machine
US-2021078227-A1 · Mar 18, 2021 · US
Control device and control method for injection molding machine
US-2021069957-A1 · Mar 11, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C45/50?
- CPC B29C45/50 is the Cooperative Patent Classification code for “Axially movable screw.”
- How many patents are filed under CPC B29C45/50 (Axially movable screw)?
- Our database includes 128 publications tagged with this CPC code.
- Is patent activity under CPC B29C45/50 growing?
- Publication counts under this code: 24 in 2024 vs 14 in 2025 (latest complete years).