Description
Class C22B : PRODUCTION OR REFINING OF METALS
Subclass 1/214: Preliminary treatment of ores or scrap Agglomerating; Briquetting; Binding; Granulating Sintering; Agglomerating in shaft furnaces
C22B 1/214
Sub-Class
Stats
- 4 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- 3 Total Patent Owners
- 18 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 8308844 | Method of reduction treatment of metal oxides or steelmaking waste and method of concentrating and recovering zinc and/or lead | Jan 19, 11 | Nov 13, 12 | NIPPON STEEL CORPORATION |
| 6800113 | Equipment for distribution and feeding of charge and fuel in shaft furnaces of rectangular cross section | Jun 28, 01 | Oct 05, 04 | Startec Iron LLC |
| 6565623 | Method and apparatus for curing self-reducing agglomerates | Mar 20, 01 | May 20, 03 | Startec Iron LLC |
| 6379421 | Method and apparatus removing undesirable metals from iron-containing materials | Feb 17, 00 | Apr 30, 02 | Hylsa, S.A. DE C.V. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0384,364 | IRONMAKING METHOD | Sep 29, 22 | Nov 21, 24 | 501 Nippon Steel Corporation |
Top Owners in This Subclass
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 27 Months (last 2 years Issuances)
- 27 Months (last 5 years Issuances)