Outer layer material for composite roll for rolling and composite roll for rolling
US-10376937-B2 · Aug 13, 2019 · US
Gases; Liquefied or solidified normally gaseous material
Gases; Liquefied or solidified normally gaseous material · 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 | C21D1/613 |
| Official title | Gases; Liquefied or solidified normally gaseous material |
| Display label | Gases; Liquefied or solidified normally gaseous material |
| Total patents | 184 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 19 |
| 2017 | 14 |
| 2018 | 17 |
| 2019 | 19 |
| 2020 | 12 |
| 2021 | 15 |
| 2022 | 24 |
| 2023 | 23 |
| 2024 | 16 |
| 2025 | 14 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cooling device and method for cooling elements passing through said device
US-2019226038-A1 · Jul 25, 2019 · US
Apparatus for continuous annealing of strip and method for continuous annealing of same
US-10358691-B2 · Jul 23, 2019 · US
Method of forming golf club head assembly
US-10329632-B2 · Jun 25, 2019 · US
Metal hydride alloys with improved rate performance
US-10211457-B2 · Feb 19, 2019 · US
Hardened titanium structure for transmission gear applications
US-10179940-B2 · Jan 15, 2019 · US
High-strength stainless steel pipe
US-10151012-B2 · Dec 11, 2018 · US
Hot extrusion die tool and method of making same
US-10130982-B2 · Nov 20, 2018 · US
Gas quenching method
US-2018327874-A1 · Nov 15, 2018 · US
Bearing steel
US-10113221-B2 · Oct 30, 2018 · US
Superstrength cold-rolled weathering steel sheet and method of manufacturing same
US-10094011-B2 · Oct 9, 2018 · US
Method for producing a planetary gear shaft having increased hardness
US-10077484-B2 · Sep 18, 2018 · US
Method of forming golf club head assembly
US-2018251870-A1 · Sep 6, 2018 · US
Method for Contactlessly Cooling Steel Sheets and Device Therefor
US-2018245173-A1 · Aug 30, 2018 · US
Production method for plated steel sheet using a steel sheet annealing device
US-10053749-B2 · Aug 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
Precipitation hardening of tantalum coated metals
US-9963757-B2 · May 8, 2018 · US
Method for producing a planetary gear shaft having increased hardness
US-2018119243-A1 · May 3, 2018 · US
Method of forming golf club head assembly
US-9938601-B2 · Apr 10, 2018 · US
Method for relieving residual stress in cast-in-place liners of hpdc engine blocks
US-2018080107-A1 · Mar 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21D1/613?
- CPC C21D1/613 is the Cooperative Patent Classification code for “Gases; Liquefied or solidified normally gaseous material.”
- How many patents are filed under CPC C21D1/613 (Gases; Liquefied or solidified normally gaseous material)?
- Our database includes 184 publications tagged with this CPC code.
- Is patent activity under CPC C21D1/613 growing?
- Publication counts under this code: 16 in 2024 vs 14 in 2025 (latest complete years).