Wire rod and part with improved delayed fracture resistance, and methods for manufacturing same
US-2024060162-A1 · Feb 22, 2024 · US
for wire, for rods (C21D9/54 takes precedence)
for wire, for rods (C21D9/54 takes precedence) · 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 | C21D9/525 |
| Official title | {for wire, for rods (C21D9/54 takes precedence)} |
| Display label | for wire, for rods (C21D9/54 takes precedence) |
| Total patents | 361 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 25 |
| 2017 | 37 |
| 2018 | 43 |
| 2019 | 25 |
| 2020 | 33 |
| 2021 | 30 |
| 2022 | 24 |
| 2023 | 40 |
| 2024 | 35 |
| 2025 | 40 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wire rod
US-2017342530-A1 · Nov 30, 2017 · US
Rolled steel bar or rolled wire rod for cold-forged component
US-2017335426-A1 · Nov 23, 2017 · US
High strength spring steel having excellent corrosion resistance
US-2017298486-A1 · Oct 19, 2017 · US
Tripod joint spider, method of manufacturing the same, and alloy steel applied thereto
US-2017284476-A1 · Oct 5, 2017 · US
Method for producing cold-formed steel springs
US-2017283904-A1 · Oct 5, 2017 · US
Flux-cored welding wire, the method for manufacturing the same and using of the same
US-9764429-B2 · Sep 19, 2017 · US
Steel wire for drawing
US-2017241000-A1 · Aug 24, 2017 · US
Method and system for controlling chemical reactions between superconductors and metals in superconducting cables
US-2017229224-A1 · Aug 10, 2017 · US
Ultra high-strength spring steel
US-2017159160-A1 · Jun 8, 2017 · US
Cooling Apparatus
US-2017159142-A1 · Jun 8, 2017 · US
Copper bonding wire with angstrom (å) thick surface oxide layer
US-2017154863-A1 · Jun 1, 2017 · US
Forming insulated conductors using a final reduction step after heat treating
US-9661690-B2 · May 23, 2017 · US
Steel for cold forging
US-2017114434-A1 · Apr 27, 2017 · US
Filament for high strength steel cord
US-2017044642-A1 · Feb 16, 2017 · US
Bearing steel having improved fatigue durability and method of manufacturing the same
US-2016369370-A1 · Dec 22, 2016 · US
Method and system for controlling chemical reactions between superconductors and metals in superconducting cables
US-9496073-B2 · Nov 15, 2016 · US
Rolled material for high strength spring, and wire for high strength spring using the same
US-2016319393-A1 · Nov 3, 2016 · US
Steel bar
US-2016273067-A1 · Sep 22, 2016 · US
Copper-nickel-tin alloy with manganese
US-2016273078-A1 · Sep 22, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21D9/525?
- CPC C21D9/525 is the Cooperative Patent Classification code for “for wire, for rods (C21D9/54 takes precedence).”
- How many patents are filed under CPC C21D9/525 (for wire, for rods (C21D9/54 takes precedence))?
- Our database includes 361 publications tagged with this CPC code.
- Is patent activity under CPC C21D9/525 growing?
- Publication counts under this code: 35 in 2024 vs 40 in 2025 (latest complete years).