Powder for additive modeling, structure, semiconductor production device component, and semiconductor production device
US-2020346982-A1 · Nov 5, 2020 · US
Aluminum oxide (Al2O3)
Aluminum oxide (Al2O3) · 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 | B22F2302/253 |
| Official title | Aluminum oxide (Al2O3) |
| Display label | Aluminum oxide (Al2O3) |
| Total patents | 129 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 10 |
| 2017 | 14 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 11 |
| 2021 | 19 |
| 2022 | 11 |
| 2023 | 14 |
| 2024 | 15 |
| 2025 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing a treated, 3d printed object
US-2020306829-A1 · Oct 1, 2020 · US
Powder for additive modeling, structure, semiconductor production device component, and semiconductor production device
US-10759712-B2 · Sep 1, 2020 · US
Nanostructured composite metal hydrides
US-10751795-B2 · Aug 25, 2020 · US
Component with a ceramic base body having a conduit and a fastening element and method
US-10679778-B2 · Jun 9, 2020 · US
Method for producing surface-modified metal oxide fine particle, method for producing improved metal oxide fine particles, surface-modified metal oxide fine particles, and metal oxide fine particle dispersion liquid
US-2020139433-A1 · May 7, 2020 · US
Powder mixtures containing uniform dispersions of ceramic particles in superalloy particles and related methods
US-2020101530-A1 · Apr 2, 2020 · US
Method for nano powder loading into micro-capillary mold
US-2020101532-A1 · Apr 2, 2020 · US
Methods of forming triggering elements for expandable apparatus for use in subterranean boreholes
US-10576544-B2 · Mar 3, 2020 · US
Methods of making metal matrix composite and alloy articles
US-10562101-B2 · Feb 18, 2020 · US
Pump housing of two different sinterable materials
US-10514044-B2 · Dec 24, 2019 · US
Fluid composition for three-dimensional shaping, manufacturing method for three-dimensionally shaped object, and three-dimensionally shaped object
US-2019321884-A1 · Oct 24, 2019 · US
Latent-heat storage body microcapsules and process for producing latent-heat storage body microcapsules
US-2019300770-A1 · Oct 3, 2019 · US
Powder mixtures containing uniform dispersions of ceramic particles in superalloy particles and related methods
US-10391554-B2 · Aug 27, 2019 · US
Method for manufacturing a hole jewel
US-2019146416-A1 · May 16, 2019 · US
Powder for additive modeling, structure, semiconductor production device component, and semiconductor production device
US-2019135705-A1 · May 9, 2019 · US
Alloy powder, sintered material, method for producing alloy powder, and method for producing sintered material
US-2019118256-A1 · Apr 25, 2019 · US
Sintered material and method of manufacturing the same
US-2019076920-A1 · Mar 14, 2019 · US
Method for producing a steel shaped body
US-10220443-B2 · Mar 5, 2019 · US
Gas phase synthesis of stable soft magnetic alloy nanoparticles
US-10213836-B2 · Feb 26, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22F2302/253?
- CPC B22F2302/253 is the Cooperative Patent Classification code for “Aluminum oxide (Al2O3).”
- How many patents are filed under CPC B22F2302/253 (Aluminum oxide (Al2O3))?
- Our database includes 129 publications tagged with this CPC code.
- Is patent activity under CPC B22F2302/253 growing?
- Publication counts under this code: 15 in 2024 vs 9 in 2025 (latest complete years).