Steel material and mold
US-2024133005-A1 · Apr 25, 2024 · US
with cobalt
with cobalt · 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 | C22C38/52 |
| Official title | with cobalt |
| Display label | with cobalt |
| Total patents | 1,041 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 43 |
| 2016 | 55 |
| 2017 | 62 |
| 2018 | 63 |
| 2019 | 110 |
| 2020 | 93 |
| 2021 | 103 |
| 2022 | 123 |
| 2023 | 111 |
| 2024 | 124 |
| 2025 | 125 |
| 2026 | 29 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Material for cold-rolled stainless steel sheet and production method therefor (as amended)
US-2016369368-A1 · Dec 22, 2016 · US
Alloy Powder, and Shot Material for Shot Peening, Powder Metallurgical Composition and Iron-Based Sintered Alloy Using the Same
US-2016346837-A1 · Dec 1, 2016 · US
Cladding Composition and Method for Remanufacturing Components
US-2016340762-A1 · Nov 24, 2016 · US
Ferritic stainless steel and production method therefor
US-2016333439-A1 · Nov 17, 2016 · US
Carburizing alloy steel having improved durability and method of manufacturing the same
US-2016305006-A1 · Oct 20, 2016 · US
Ferrite-martensite dual-phase stainless steel and method of manufacturing the same
US-2016289786-A1 · Oct 6, 2016 · US
Hot-rolled steel sheet having excellent surface hardness after carburizing heat treatment and excellent drawability
US-2016265078-A1 · Sep 15, 2016 · US
Bearing steel
US-2016251744-A1 · Sep 1, 2016 · US
Valve seat
US-2016201527-A1 · Jul 14, 2016 · US
Precipitation hardening martensitic stainless steel, and steam turbine long blade, steam turbine, and power plant using the same
US-9388702-B2 · Jul 12, 2016 · US
Centrifugally cast, hot-rolling composite roll
US-2016193638-A1 · Jul 7, 2016 · US
Duplex stainless steel superior in corrosion resistance of weld
US-9365914-B2 · Jun 14, 2016 · US
Method for producing a flat product from an iron-based shape memory alloy
US-2016145708-A1 · May 26, 2016 · US
Method for producing an energy-storing container made of lightweight steel
US-2016138146-A1 · May 19, 2016 · US
Steel wire rod and method of producing same
US-9255306-B2 · Feb 9, 2016 · US
Heat-resistant austenitic stainless steel sheet
US-2016032434-A1 · Feb 4, 2016 · US
Ferritic stainless steel sheet which is excellent in workability and method of production of same
US-2015376732-A1 · Dec 31, 2015 · US
Steel wire for spring and method for manufacturing same
US-2015376731-A1 · Dec 31, 2015 · US
Highly wear-resistant valve seat for use in internal combustion engine and manufacturing method therefor
US-2015369090-A1 · Dec 24, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22C38/52?
- CPC C22C38/52 is the Cooperative Patent Classification code for “with cobalt.”
- How many patents are filed under CPC C22C38/52 (with cobalt)?
- Our database includes 1,041 publications tagged with this CPC code.
- Is patent activity under CPC C22C38/52 growing?
- Publication counts under this code: 124 in 2024 vs 125 in 2025 (latest complete years).