Systems and methods for quenching a metal strip after rolling
US-2019381549-A1 · Dec 19, 2019 · US
Quenching devices
Quenching devices · 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 | C21D1/62 |
| Official title | Quenching devices |
| Display label | Quenching devices |
| Total patents | 164 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 12 |
| 2017 | 11 |
| 2018 | 19 |
| 2019 | 29 |
| 2020 | 13 |
| 2021 | 19 |
| 2022 | 14 |
| 2023 | 17 |
| 2024 | 8 |
| 2025 | 10 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Die construction methodology for reducing quench time for press hardenable steels
US-2019338387-A1 · Nov 7, 2019 · US
Wellbore tubular air quenching
US-2019276908-A1 · Sep 12, 2019 · US
Heat treatment device and cooling device
US-10392676-B2 · Aug 27, 2019 · US
Outer layer material for composite roll for rolling and composite roll for rolling
US-10376937-B2 · Aug 13, 2019 · US
Cooling device and method for cooling elements passing through said device
US-2019226038-A1 · Jul 25, 2019 · US
Ultrasound-assisting quenching process and device for performing the same
US-10273550-B2 · Apr 30, 2019 · US
Spinning forming device
US-10259030-B2 · Apr 16, 2019 · US
Interference fit quench plug assembly and methods for use thereof
US-2019106763-A1 · Apr 11, 2019 · US
Hardened titanium structure for transmission gear applications
US-10179940-B2 · Jan 15, 2019 · US
Interference fit quench plug assembly and methods for use thereof
US-10174395-B2 · Jan 8, 2019 · US
Gas quenching method
US-2018327874-A1 · Nov 15, 2018 · US
Method for Contactlessly Cooling Steel Sheets and Device Therefor
US-2018245173-A1 · Aug 30, 2018 · US
Device and method for tempering sections of metal components
US-2018237872-A1 · Aug 23, 2018 · US
Method and tool for hardening a hollow profile of a steel workpiece
US-10017833-B2 · Jul 10, 2018 · US
Gamma titanium dual property heat treat system and method
US-10006113-B2 · Jun 26, 2018 · US
Deformation-hardened component made of galvanized steel, production method therefor and method for producing a steel strip suitable for the deformation-hardening of components
US-2018171424-A1 · Jun 21, 2018 · US
Method for the Homogeneous Non-Contact Temperature Control of Non-Endless Surfaces Which Are to Be Temperature-Controlled, and Device Therefor
US-2018155803-A1 · Jun 7, 2018 · US
Hollow stabilizer
US-9969238-B2 · May 15, 2018 · US
Method and device for generating deformation twinning in a metal
US-2018119246-A1 · May 3, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21D1/62?
- CPC C21D1/62 is the Cooperative Patent Classification code for “Quenching devices.”
- How many patents are filed under CPC C21D1/62 (Quenching devices)?
- Our database includes 164 publications tagged with this CPC code.
- Is patent activity under CPC C21D1/62 growing?
- Publication counts under this code: 8 in 2024 vs 10 in 2025 (latest complete years).