Method for producing high silicon dual phase steels with improved ductility
US-11198928-B2 · Dec 14, 2021 · US
for bath quenching
for bath quenching · 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 | C21D1/63 |
| Official title | for bath quenching |
| Display label | for bath quenching |
| Total patents | 109 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 8 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 10 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 13 |
| 2023 | 2 |
| 2024 | 12 |
| 2025 | 16 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thin steel sheet and method for manufacturing the same
US-2021310092-A1 · Oct 7, 2021 · US
Method for heat treating by induction an alloy component for generating microstructure gradients and an alloy component heat treated according to the method
US-11136634-B2 · Oct 5, 2021 · US
Heat treatment method and heat treatment device
US-11136640-B2 · Oct 5, 2021 · US
Steel material suitable for use in sour environment
US-2021269902-A1 · Sep 2, 2021 · US
Wall member useful in quenching
US-11001903-B2 · May 11, 2021 · US
Rapid-cooling quenching apparatus and rapid-cooling quenching method
US-10844449-B2 · Nov 24, 2020 · US
Method for manufacturing metal sheet and rapid quenching unit
US-10760144-B2 · Sep 1, 2020 · US
Non-normalized steel composition and connecting rod using the same, and method of manufacturing the connecting rod
US-10704126-B2 · Jul 7, 2020 · US
Method of manufacturing cam piece for continuously variable valve duration and cam piece manufactured therefrom
US-2020181726-A1 · Jun 11, 2020 · US
Decarburized self-piercing rivet
US-10669599-B2 · Jun 2, 2020 · US
Zinc-coated hot formed steel component with tailored property
US-10619223-B2 · Apr 14, 2020 · US
Multi-chamber heat treatment device
US-2020095667-A1 · Mar 26, 2020 · US
Method for producing high silicon dual phase steels with improved ductility
US-2020080177-A1 · Mar 12, 2020 · US
Lead-free patenting process and equipment
US-2019345578-A1 · Nov 14, 2019 · US
Method and equipment for controlled patenting of steel wire
US-2019338390-A1 · Nov 7, 2019 · US
Jig and heating apparatus with a jig
US-10443108-B2 · Oct 15, 2019 · US
Heat treatment method and heat treatment device
US-2019309386-A1 · Oct 10, 2019 · US
Thermal treatment process of a steel sheet and device for its implementation
US-10428401-B2 · Oct 1, 2019 · US
Forced water cooling of thick steel wires
US-10400319-B2 · Sep 3, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21D1/63?
- CPC C21D1/63 is the Cooperative Patent Classification code for “for bath quenching.”
- How many patents are filed under CPC C21D1/63 (for bath quenching)?
- Our database includes 109 publications tagged with this CPC code.
- Is patent activity under CPC C21D1/63 growing?
- Publication counts under this code: 12 in 2024 vs 16 in 2025 (latest complete years).