Description
MANUFACTURE OF IRON OR STEEL (preliminary treatment of ferrous ores or scrap C22B 1/00; electric heating H05B)
C21B
Technology
Sub-Class
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- 0 1022 US PATENTS IN FORCE
- 132 US APPLICATIONS PENDING
- 1220 Total Patent Owners
- 5145 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 3/00 | General features in the manufacture of pig-iron (mixers for pig-iron C21C 1/06) |
| 3/02 | General features in the manufacture of pig-iron (mixers for pig-iron C21C 1/06) by applying additives, e.g. fluxing agents |
| 3/04 | General features in the manufacture of pig-iron (mixers for pig-iron C21C 1/06) Recovery of by-products, e.g. slag |
| 3/06 | General features in the manufacture of pig-iron (mixers for pig-iron C21C 1/06) Recovery of by-products, e.g. slag Treatment of liquid slag (slag wool C03B; slag stones C04B) |
| 3/08 | General features in the manufacture of pig-iron (mixers for pig-iron C21C 1/06) Recovery of by-products, e.g. slag Treatment of liquid slag (slag wool C03B; slag stones C04B) Cooling slag |
Recent Patents
Not AvailableRecent Publications
Not AvailableTop Owners in This Class
Top Owners in This Subclass
Applications Filed in This Class - By Year
Applications Filed in This Subclass - By Year
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 37 Months (last 2 years Issuances)
- 37 Months (last 5 years Issuances)
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