Demolding device
US-12558821-B2 · Feb 24, 2026 · US
with mechanical ejector or drive means therefor
with mechanical ejector or drive means therefor · 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 | B29C33/442 |
| Official title | {with mechanical ejector or drive means therefor} |
| Display label | with mechanical ejector or drive means therefor |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 2 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device for ejecting a mould, comprising a chain with sliding links and an adjustment shim
US-12370727-B2 · Jul 29, 2025 · US
Molding assembly
US-12220846-B2 · Feb 11, 2025 · US
Molding assembly
US-2024416559-A1 · Dec 19, 2024 · US
Demolding device
US-2024300150-A1 · Sep 12, 2024 · US
Tie-bar-less clamping unit
US-2024269898-A1 · Aug 15, 2024 · US
Protrusion tray manufactured by vacuum forming
US-2024017872-A1 · Jan 18, 2024 · US
Injection mold for timepiece component
US-11858178-B2 · Jan 2, 2024 · US
Device for ejecting a mould, comprising a chain with sliding links and an adjustment shim
US-2023321876-A1 · Oct 12, 2023 · US
Demolding of large composite parts for aircraft
US-11724421-B2 · Aug 15, 2023 · US
Molded article extracting device
US-11597133-B2 · Mar 7, 2023 · US
Demolding of Large Composite Parts for Aircraft
US-2022152880-A1 · May 19, 2022 · US
Injection mold for timepiece component
US-2022111565-A1 · Apr 14, 2022 · US
Method for manufacturing transdermal absorption sheet
US-11160965-B2 · Nov 2, 2021 · US
Method and apparatus for releasing molded article from mold
US-11155006-B2 · Oct 26, 2021 · US
Method of extracting mandrel for hollow-hat panel production
US-11059236-B2 · Jul 13, 2021 · US
Method for manufacturing transdermal absorption sheet
US-2021196938-A1 · Jul 1, 2021 · US
Molded article extracting device
US-2020353651-A1 · Nov 12, 2020 · US
Method of extracting mandrel for hollow-hat panel production
US-2020316875-A1 · Oct 8, 2020 · US
Method of extracting mandrel for hollow-hat panel production
US-10723085-B2 · Jul 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C33/442?
- CPC B29C33/442 is the Cooperative Patent Classification code for “with mechanical ejector or drive means therefor.”
- How many patents are filed under CPC B29C33/442 (with mechanical ejector or drive means therefor)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC B29C33/442 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).