Powder injection molding apparatus
US-2021308901-A1 · Oct 7, 2021 · US
of the injection unit
of the injection unit · 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 | B29C45/74 |
| Official title | of the injection unit |
| Display label | of the injection unit |
| Total patents | 239 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 15 |
| 2017 | 13 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 15 |
| 2021 | 32 |
| 2022 | 32 |
| 2023 | 37 |
| 2024 | 38 |
| 2025 | 32 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Temperature control device for injection molding machine
US-2021001529-A1 · Jan 7, 2021 · US
Apparatus and methods using multiple extruders
US-10870226-B2 · Dec 22, 2020 · US
Injection apparatus
US-2020324447-A1 · Oct 15, 2020 · US
Nozzle Heater
US-2020316837-A1 · Oct 8, 2020 · US
Apparatus and methods using multiple extruders
US-2020307046-A1 · Oct 1, 2020 · US
Injection molding system
US-10703033-B2 · Jul 7, 2020 · US
Heated cylinder for resin melting in molding machine
US-2020206997-A1 · Jul 2, 2020 · US
Exhaust unit for injection molding machine
US-2020198199-A1 · Jun 25, 2020 · US
Protective cover for a plasticizing cylinder
US-10661490-B2 · May 26, 2020 · US
Injection device
US-2020156299-A1 · May 21, 2020 · US
Injection molding machine including a temperature control jacket
US-10639836-B2 · May 5, 2020 · US
Method for producing bonded article
US-2020101645-A1 · Apr 2, 2020 · US
Surface cleaning robot and process for manufacturing track thereof
US-2020061884-A1 · Feb 27, 2020 · US
Injection molding apparatus and injection molding method
US-2020023562-A1 · Jan 23, 2020 · US
Plasticizing unit including a thermal separating device and an active tempering device
US-10525625-B2 · Jan 7, 2020 · US
Semiconductor die carrier structure
US-2020006105-A1 · Jan 2, 2020 · US
Heating cylinder cover and heating cylinder device of injection molding machine
US-10427338-B2 · Oct 1, 2019 · US
Apparatus for injection molding of plastic materials
US-2019283297-A1 · Sep 19, 2019 · US
Inline melt control via RF power
US-10197335-B2 · Feb 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C45/74?
- CPC B29C45/74 is the Cooperative Patent Classification code for “of the injection unit.”
- How many patents are filed under CPC B29C45/74 (of the injection unit)?
- Our database includes 239 publications tagged with this CPC code.
- Is patent activity under CPC B29C45/74 growing?
- Publication counts under this code: 38 in 2024 vs 32 in 2025 (latest complete years).