Preparation method of titanium alloy powders
US-12083602-B2 · Sep 10, 2024 · US
using electric discharge
using electric discharge · 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 | B22F9/14 |
| Official title | using electric discharge |
| Display label | using electric discharge |
| Total patents | 165 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 7 |
| 2017 | 12 |
| 2018 | 25 |
| 2019 | 13 |
| 2020 | 8 |
| 2021 | 18 |
| 2022 | 20 |
| 2023 | 18 |
| 2024 | 22 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Metal powder manufacturing apparatus for metal 3d printer
US-2019375021-A1 · Dec 12, 2019 · US
Silver-coated copper powder
US-10486231-B2 · Nov 26, 2019 · US
Metal composite powder and method for producing same
US-10376962-B2 · Aug 13, 2019 · US
Fine particle production apparatus and fine particle production method
US-10252339-B2 · Apr 9, 2019 · US
Ball milling method to form ceramically coated welding tool
US-10207358-B2 · Feb 19, 2019 · US
Nanoparticles and systems and methods for synthesizing nanoparticles through thermal shock
US-2018369771-A1 · Dec 27, 2018 · US
Method for producing metal ball, joining material, and metal ball
US-10150185-B2 · Dec 11, 2018 · US
Method for making a welding article
US-10144087-B2 · Dec 4, 2018 · US
Ball milling method to form ceramically coated welding tool
US-2018326532-A1 · Nov 15, 2018 · US
Micro- and nano-particles with variable surface morphologies and methods of making same
US-10124310-B2 · Nov 13, 2018 · US
Production apparatus and production method for fine particles
US-10124406-B2 · Nov 13, 2018 · US
Method for making a welding article
US-2018318957-A1 · Nov 8, 2018 · US
Method for making a friction stir welding tool
US-10118248-B2 · Nov 6, 2018 · US
Production apparatus and production method for fine particles
US-2018304374-A1 · Oct 25, 2018 · US
Production apparatus and production method for fine particles
US-2018290208-A1 · Oct 11, 2018 · US
Composite magnetic member and method of manufacturing same
US-10083784-B2 · Sep 25, 2018 · US
Method for making a friction stir welding tool
US-2018264586-A1 · Sep 20, 2018 · US
Extreme creep resistant nano-crystalline metallic materials
US-2018229308-A1 · Aug 16, 2018 · US
Production process for TiAl components
US-10029309-B2 · Jul 24, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22F9/14?
- CPC B22F9/14 is the Cooperative Patent Classification code for “using electric discharge.”
- How many patents are filed under CPC B22F9/14 (using electric discharge)?
- Our database includes 165 publications tagged with this CPC code.
- Is patent activity under CPC B22F9/14 growing?
- Publication counts under this code: 22 in 2024 vs 10 in 2025 (latest complete years).