Machine and method for injection molding multilayer articles having a high proportion of internal layer material
US-12594702-B2 · Apr 7, 2026 · US
This page is not indexed by search engines while we improve data quality.
having at least three different ways
having at least three different ways · 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 | B29C45/1607 |
| Official title | {having at least three different ways} |
| Display label | having at least three different ways |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus and method for coinjection of a multilayer molded article with a segmented internal layer
US-12420466-B2 · Sep 23, 2025 · US
Method of injection molding preform
US-12420985-B2 · Sep 23, 2025 · US
Method of improving shot repeatability in multilayer reciprocating screw injection molding machines
US-12304126-B2 · May 20, 2025 · US
Systems and method for an electric motor with spray ring
US-12049925-B2 · Jul 30, 2024 · US
Machine and method for injection molding multilayer articles having a high proportion of internal layer material
US-2023390983-A1 · Dec 7, 2023 · US
Method of improving shot repeatability in multilayer reciprocating screw injection molding machines
US-2023234270-A1 · Jul 27, 2023 · US
Method of injection molding preform
US-2023211925-A1 · Jul 6, 2023 · US
Apparatus and method for coinjection of a multilayer molded article with a segmented internal layer
US-2022288825-A1 · Sep 15, 2022 · US
Systems and method for an electric motor with spray ring
US-2022205486-A1 · Jun 30, 2022 · US
Method of injection molding preform
US-11365028-B2 · Jun 21, 2022 · US
Multi-layer nozzle, method, and articles made therefrom
US-2022063158-A1 · Mar 3, 2022 · US
Resin molding method
US-10434694-B2 · Oct 8, 2019 · US
Resin molding method
US-2018001527-A1 · Jan 4, 2018 · US
Method of injection molding preform
US-2018002071-A1 · Jan 4, 2018 · US
Method of manufacturing laminated structure
US-2017021537-A1 · Jan 26, 2017 · US
Hot runner nozzle and mold for forming multi-layer molded article using the same
US-9381689-B2 · Jul 5, 2016 · US
Synthetic resin container with window, preform, and method of injection molding preform
US-2016185488-A1 · Jun 30, 2016 · US
Co-injection method, preform, and container
US-2016151935-A1 · Jun 2, 2016 · US
Hot runner nozzle and mold for forming multi-layer molded article using the same
US-2015014878-A1 · Jan 15, 2015 · US