Methods for in situ formation of dispersoids strengthened refractory alloy in 3d printing and additive manufacturing
US-2024269745-A1 · Aug 15, 2024 · US
Refractory metals
Refractory metals · 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 | B22F2301/20 |
| Official title | Refractory metals |
| Display label | Refractory metals |
| Total patents | 308 |
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 | 34 |
| 2017 | 25 |
| 2018 | 35 |
| 2019 | 27 |
| 2020 | 35 |
| 2021 | 38 |
| 2022 | 27 |
| 2023 | 26 |
| 2024 | 30 |
| 2025 | 18 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cermet and cutting tool
US-9850557-B2 · Dec 26, 2017 · US
Cermet, method for producing cermet, and cutting tool
US-9850558-B2 · Dec 26, 2017 · US
Method for forming metallization structure
US-2017271173-A1 · Sep 21, 2017 · US
Methods of forming triggering elements for expandable apparatus for use in subterranean boreholes
US-2017239727-A1 · Aug 24, 2017 · US
Method for producing fine tungsten powder
US-2017232508-A1 · Aug 17, 2017 · US
A preparation method of rare earth oxide dispersion strengthened fine grain tungsten materials
US-2017225234-A1 · Aug 10, 2017 · US
Electrode material
US-9724759-B2 · Aug 8, 2017 · US
Tungsten Sputtering Target And Method For Producing Same
US-2017211176-A1 · Jul 27, 2017 · US
Coated articles and method for making
US-2017175244-A1 · Jun 22, 2017 · US
Corrodible triggering elements for use with subterranean borehole tools having expandable members and related methods
US-9677355-B2 · Jun 13, 2017 · US
Compound roll
US-2017100756-A1 · Apr 13, 2017 · US
Electrode material
US-2017066055-A1 · Mar 9, 2017 · US
Systems and methods for fabricating objects including amorphous metal using techniques akin to additive manufacturing
US-9579718-B2 · Feb 28, 2017 · US
Metal-Matrix Composites Reinforced with a Refractory Metal
US-2017044647-A1 · Feb 16, 2017 · US
Method of making rhenium coating
US-2017036271-A1 · Feb 9, 2017 · US
Structural Component that Will Fragment into Particles of Selected Geometry and Reactivity
US-2017023341-A1 · Jan 26, 2017 · US
Production of substantially spherical metal powders
US-2017021425-A1 · Jan 26, 2017 · US
Coating material
US-2017002444-A1 · Jan 5, 2017 · US
Low energy milling to produce flake powders
US-9514890-B2 · Dec 6, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22F2301/20?
- CPC B22F2301/20 is the Cooperative Patent Classification code for “Refractory metals.”
- How many patents are filed under CPC B22F2301/20 (Refractory metals)?
- Our database includes 308 publications tagged with this CPC code.
- Is patent activity under CPC B22F2301/20 growing?
- Publication counts under this code: 30 in 2024 vs 18 in 2025 (latest complete years).