Internal tooling configuration for the creation of z-channels in woven ceramic matrix composite preforms
US-12473236-B2 · Nov 18, 2025 · US
the holes passing completely through the article
the holes passing completely through the article · 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 | B28B7/18 |
| Official title | the holes passing completely through the article |
| Display label | the holes passing completely through the article |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 9 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Internal tooling configuration for the creation of z-channels in woven ceramic matrix composite preforms
US-2025128990-A1 · Apr 24, 2025 · US
Member for semiconductor manufacturing apparatus, method for manufacturing the same, and mold
US-12198965-B2 · Jan 14, 2025 · US
Plug, method of manufacturing plug, and member for semiconductor manufacturing apparatus
US-2024213052-A1 · Jun 27, 2024 · US
Fabrication of fluid devices and fluid devices produced
US-2024174575-A1 · May 30, 2024 · US
Process for forming ceramic bodies with internal passages or chambers using powder pressing around an internal mold
US-2024009887-A1 · Jan 11, 2024 · US
Self-supporting structures having active materials
US-11707729-B2 · Jul 25, 2023 · US
Dental implant body and method for manufacturing dental implant body
US-2022125557-A1 · Apr 28, 2022 · US
Method of making whisker reinforced high fracture toughness ceramic threaded fasteners
US-11268560-B2 · Mar 8, 2022 · US
Method for manufacturing three-dimensional fired body
US-2022032501-A1 · Feb 3, 2022 · US
Utility enclosure apron
US-11217984-B2 · Jan 4, 2022 · US
Needled ceramic matrix composite cooling passages
US-2021381387-A1 · Dec 9, 2021 · US
Needled ceramic matrix composite cooling passages
US-11125087-B2 · Sep 21, 2021 · US
Scale
US-2021206023-A1 · Jul 8, 2021 · US
Member for semiconductor manufacturing apparatus, method for manufacturing the same, and mold
US-2020312693-A1 · Oct 1, 2020 · US
Self-supporting structures having active materials
US-2020298206-A1 · Sep 24, 2020 · US
Spark plug insulator production method, insulator, molding die
US-10751923-B2 · Aug 25, 2020 · US
Self-supporting structures having active materials
US-10710053-B2 · Jul 14, 2020 · US
Hybrid material airflow impression molds
US-10710272-B2 · Jul 14, 2020 · US
Utility enclosure apron
US-2020191301-A1 · Jun 18, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B28B7/18?
- CPC B28B7/18 is the Cooperative Patent Classification code for “the holes passing completely through the article.”
- How many patents are filed under CPC B28B7/18 (the holes passing completely through the article)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC B28B7/18 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).