High strength 6XXX aluminum alloys and methods of making the same
US-11920229-B2 · Mar 5, 2024 · US
with silicon
with silicon · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C22C21/14 |
| Official title | with silicon |
| Display label | with silicon |
| Total patents | 381 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 31 |
| 2016 | 48 |
| 2017 | 44 |
| 2018 | 42 |
| 2019 | 44 |
| 2020 | 30 |
| 2021 | 41 |
| 2022 | 36 |
| 2023 | 24 |
| 2024 | 26 |
| 2025 | 14 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aluminum-copper-lithium alloy product for a lower wing skin element with improved properties
US-2016368589-A1 · Dec 22, 2016 · US
Method for manufacturing products made of aluminium-copper-lithium alloy with improved fatigue properties, and distributor for this method
US-2016355916-A1 · Dec 8, 2016 · US
Aluminum alloy material and method for producing the same, and aluminum alloy clad material and method for producing the same
US-2016326614-A1 · Nov 10, 2016 · US
Aluminum alloy
US-2016289802-A1 · Oct 6, 2016 · US
Aluminum alloys for highly shaped packaging products and methods of making the same
US-2016265090-A1 · Sep 15, 2016 · US
Multilayer brazing sheet for vacuum braze applications
US-2016250720-A1 · Sep 1, 2016 · US
Al ALLOY CAST IMPELLER FOR COMPRESSOR AND PROCESS FOR PRODUCING SAME
US-2016245296-A1 · Aug 25, 2016 · US
Aluminum alloy wire
US-9422612-B2 · Aug 23, 2016 · US
Lower wing skin metal with improved damage tolerance properties
US-2016237531-A1 · Aug 18, 2016 · US
Processes to reduce interfacial enrichment of alloying elements under anodic oxide films and improve anodized appearance of heat treatable alloys
US-2016237586-A1 · Aug 18, 2016 · US
Perforation resistance improved aluminum alloy for heat exchanger, perforation resistance improved aluminum extrusion tube and fin material comprising aluminum alloy, and heat exchanger formed of extrusion tube and fin material
US-2016237528-A1 · Aug 18, 2016 · US
Fresh water degradable downhole tools comprising magnesium and aluminum alloys
US-2016201435-A1 · Jul 14, 2016 · US
Methods of Forming a Workpiece made of a Naturally Aging Alloy
US-2016194728-A1 · Jul 7, 2016 · US
Aluminum alloy wire rod, aluminum alloy stranded wire, coated wire, wire harness and manufacturing method of aluminum alloy wire rod
US-2016194742-A1 · Jul 7, 2016 · US
Turbocharger and compressor wheel therefor
US-9366181-B2 · Jun 14, 2016 · US
Methods of continuously casting new 6xxx aluminum alloys, and products made from the same
US-2016160333-A1 · Jun 9, 2016 · US
Aluminum-alloy clad member, method for producing same, and heat exchanger using aluminum-alloy clad member
US-2016161199-A1 · Jun 9, 2016 · US
Processes to reduce interfacial enrichment of alloying elements under anodic oxide films and improve anodized appearance of heat treatable alloys
US-9359686-B1 · Jun 7, 2016 · US
2xxx aluminum alloys, and methods for producing the same
US-2016115577-A1 · Apr 28, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22C21/14?
- CPC C22C21/14 is the Cooperative Patent Classification code for “with silicon.”
- How many patents are filed under CPC C22C21/14 (with silicon)?
- Our database includes 381 publications tagged with this CPC code.
- Is patent activity under CPC C22C21/14 growing?
- Publication counts under this code: 26 in 2024 vs 14 in 2025 (latest complete years).