Method for producing transdermal absorption sheet
US-2020094034-A1 · Mar 26, 2020 · US
Casting under special conditions, e.g. vacuum
Casting under special conditions, e.g. vacuum · 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 | B29C39/42 |
| Official title | Casting under special conditions, e.g. vacuum |
| Display label | Casting under special conditions, e.g. vacuum |
| Total patents | 172 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 12 |
| 2017 | 9 |
| 2018 | 12 |
| 2019 | 15 |
| 2020 | 17 |
| 2021 | 20 |
| 2022 | 23 |
| 2023 | 16 |
| 2024 | 21 |
| 2025 | 14 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compositions comprising a fiber material and a thermoplastic binder
US-10519287-B2 · Dec 31, 2019 · US
Oral care implement or head plate therefor and method of forming the same
US-10500773-B2 · Dec 10, 2019 · US
Polyamide-imide film and method for producing same
US-2019367677-A1 · Dec 5, 2019 · US
Method for preparing polyamide-imide film
US-2019358865-A1 · Nov 28, 2019 · US
Polyamide-imide film and method for preparing same
US-2019359784-A1 · Nov 28, 2019 · US
Polyamide-imide film
US-2019359772-A1 · Nov 28, 2019 · US
Method of manufacturing microneedle array
US-2019351204-A1 · Nov 21, 2019 · US
Sealed circuit card assembly
US-2019337194-A1 · Nov 7, 2019 · US
Compositions Comprising a Fiber Material and a Thermoplastic Binder
US-2019292335-A1 · Sep 26, 2019 · US
Flexible Light Guide and Lighting System
US-2019285792-A1 · Sep 19, 2019 · US
Sealed circuit card assembly
US-10399256-B1 · Sep 3, 2019 · US
Device for fabricating ion exchange membrane and method of fabricating the ion exchange membrane
US-10363688-B2 · Jul 30, 2019 · US
Insulative apparatus
US-2019169393-A1 · Jun 6, 2019 · US
Methods of forming dry adhesive structures
US-10307941-B2 · Jun 4, 2019 · US
Housing, method for manufacturing housing, and mobile terminal
US-2019103657-A1 · Apr 4, 2019 · US
Optical element stack assemblies
US-2018329175-A1 · Nov 15, 2018 · US
Composite-material molding method and molding device
US-10105878-B2 · Oct 23, 2018 · US
Device and method for manufacturing fiber-reinforced plastic molded article
US-2018297300-A1 · Oct 18, 2018 · US
Method for manufacturing nano-structurally aligned multi-scale composites
US-10066065-B2 · Sep 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C39/42?
- CPC B29C39/42 is the Cooperative Patent Classification code for “Casting under special conditions, e.g. vacuum.”
- How many patents are filed under CPC B29C39/42 (Casting under special conditions, e.g. vacuum)?
- Our database includes 172 publications tagged with this CPC code.
- Is patent activity under CPC B29C39/42 growing?
- Publication counts under this code: 21 in 2024 vs 14 in 2025 (latest complete years).