Martensitic stainless steel sheet
US-11072837-B2 · Jul 27, 2021 · US
Handling in a vacuum
Handling in a vacuum · 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 | C21C7/10 |
| Official title | Handling in a vacuum |
| Display label | Handling in a vacuum |
| Total patents | 145 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 19 |
| 2020 | 12 |
| 2021 | 12 |
| 2022 | 10 |
| 2023 | 17 |
| 2024 | 26 |
| 2025 | 17 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-strength steel sheet, high-strength galvanized steel sheet, method for manufacturing high-strength steel sheet, and method for manufacturing high-strength galvanized steel sheet
US-10941471-B2 · Mar 9, 2021 · US
Stainless steel product
US-10822679-B2 · Nov 3, 2020 · US
Molten manganese-containing steel production method, holding furnace, and molten manganese-containing steel production equipment using holding furnace
US-2020340085-A1 · Oct 29, 2020 · US
Steel for induction hardening
US-10808304-B2 · Oct 20, 2020 · US
Steel for induction hardening
US-10801091-B2 · Oct 13, 2020 · US
Cross-correlation of metrics for anomaly root cause identification
US-2020293391-A1 · Sep 17, 2020 · US
Diagnosis support apparatus, diagnosis support method, diagnosis method, and repair method of vacuum degassing tank
US-10761035-B2 · Sep 1, 2020 · US
Method for refining molten steel in vacuum degassing equipment
US-10745771-B2 · Aug 18, 2020 · US
Method for homogenizing steel compositions
US-10738367-B2 · Aug 11, 2020 · US
Alloy structure and method for producing alloy structure
US-10702944-B2 · Jul 7, 2020 · US
Method for analyzing nitrogen in metal sample, apparatus for analyzing nitrogen in metal sample, method for adjusting nitrogen concentration in molten steel, and method for manufacturing steel
US-10641711-B2 · May 5, 2020 · US
Alloy structure and method for producing alloy structure
US-10576538-B2 · Mar 3, 2020 · US
Non-Heat Treated Steel Bar
US-2020056271-A1 · Feb 20, 2020 · US
Diagnosis support apparatus, diagnosis support method, diagnosis method, and repair method of vacuum degassing tank
US-2019360944-A1 · Nov 28, 2019 · US
Steel for Induction Hardening
US-2019300993-A1 · Oct 3, 2019 · US
Steel for Induction Hardening
US-2019300992-A1 · Oct 3, 2019 · US
Steel for Induction Hardening
US-2019300994-A1 · Oct 3, 2019 · US
Sulfur additive for molten steel and method for producing resulfurized steel
US-2019292613-A1 · Sep 26, 2019 · US
Steel for Machine Structural Use
US-2019271065-A1 · Sep 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21C7/10?
- CPC C21C7/10 is the Cooperative Patent Classification code for “Handling in a vacuum.”
- How many patents are filed under CPC C21C7/10 (Handling in a vacuum)?
- Our database includes 145 publications tagged with this CPC code.
- Is patent activity under CPC C21C7/10 growing?
- Publication counts under this code: 26 in 2024 vs 17 in 2025 (latest complete years).