High-strength cold-rolled steel sheet having excellent surface quality and low material variation, and method for manufacturing same
US-2024384366-A1 · Nov 21, 2024 · US
Austenite
Austenite · 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 | C21D2211/001 |
| Official title | Austenite |
| Display label | Austenite |
| Total patents | 2,793 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 92 |
| 2016 | 113 |
| 2017 | 165 |
| 2018 | 196 |
| 2019 | 264 |
| 2020 | 268 |
| 2021 | 280 |
| 2022 | 356 |
| 2023 | 337 |
| 2024 | 315 |
| 2025 | 330 |
| 2026 | 77 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Low-density clad steel sheet having excellent formability and fatigue property and manufacturing method therefor
US-2024326399-A1 · Oct 3, 2024 · US
A zinc or zinc-alloy coated strip or steel with improved zinc adhesion
US-2024117455-A1 · Apr 11, 2024 · US
Wire rod and part with improved delayed fracture resistance, and methods for manufacturing same
US-2024060162-A1 · Feb 22, 2024 · US
High-strength steel sheet having excellent bendability and formability and method for manufacturing same
US-2024026485-A1 · Jan 25, 2024 · US
Device and method for hot stamping
US-2015367396-A1 · Dec 24, 2015 · US
Cobalt-free, galling and wear resistant austenitic stainless steel hard-facing alloy
US-2015368766-A1 · Dec 24, 2015 · US
Ultra-High Obdurability Steel Plate Having Low Yield Ratio and Process of Manufacturing Same
US-2015354040-A1 · Dec 10, 2015 · US
Steel for machine structural use, manufacturing method for same, case hardened steel component, and manufacturing method for same
US-9200357-B2 · Dec 1, 2015 · US
High-strength steel sheet with excellent deep drawability at room temperature and warm temperature, and method for warm working same
US-9194032-B2 · Nov 24, 2015 · US
Method for manufacturing a metal composite component, in particular for an electromagnetic valve
US-9196408-B2 · Nov 24, 2015 · US
High strength cold rolled steel sheet with low yield ratio and method of manufacturing the same
US-2015322552-A1 · Nov 12, 2015 · US
Cr-CONTAINING AUSTENITIC ALLOY AND METHOD FOR PRODUCING THE SAME
US-2015322560-A1 · Nov 12, 2015 · US
Alloyed hot-dip galvanized steel sheet
US-9181598-B2 · Nov 10, 2015 · US
Austenitic high Mn stainless steel and method production of same and member using that steel
US-9175361-B2 · Nov 3, 2015 · US
Metal substrate, fixing member, and heat-fixing device
US-2015309458-A1 · Oct 29, 2015 · US
Precipitation strengthening type martensitic steel and process for producing same
US-2015299831-A1 · Oct 22, 2015 · US
Method for manufacturing ultra high strength member
US-9145594-B2 · Sep 29, 2015 · US
High-carbon hot-rolled steel sheet, high-carbon cold-rolled steel sheet, and method of manufacturing the same
US-9133532-B2 · Sep 15, 2015 · US
High strength steel sheet and method for manufacturing the same
US-9121087-B2 · Sep 1, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21D2211/001?
- CPC C21D2211/001 is the Cooperative Patent Classification code for “Austenite.”
- How many patents are filed under CPC C21D2211/001 (Austenite)?
- Our database includes 2,793 publications tagged with this CPC code.
- Is patent activity under CPC C21D2211/001 growing?
- Publication counts under this code: 315 in 2024 vs 330 in 2025 (latest complete years).