Hollow electrode

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Patents Grantslast 30 patents

Information Patent Grant
Method for smelting low nitrogen steel using electric furnace
- Patent number 12,018,341
- Issue date Jun 25, 2024
- Baoshan Iron & Steel Co., Ltd.
- Yingtie Xu
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of operating an arc furnace, and an arc furnace
- Patent number 5,923,698
- Issue date Jul 13, 1999
- Concast Standard AG
- Andreas Loebner
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for making iron-chromium alloys
- Patent number 4,177,061
- Issue date Dec 4, 1979
- ASEA Aktiebolag
- Sven-Einar Stenkvist
- C21 - METALLURGY OF IRON
Information Patent Grant
3730961
- Patent number 3,730,961
- Issue date May 1, 1973
- C21 - METALLURGY OF IRON