Description
Class C22B : PRODUCTION OR REFINING OF METALS
Subclass 1/04: Preliminary treatment of ores or scrap Roasting processes (C22B 1/16 takes precedence) Blast roasting
C22B 1/04
Sub-Class
Stats
- 6 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- 3 Total Patent Owners
- 29 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11851725 | Ironmaking feedstock | Oct 05, 22 | Dec 26, 23 | Swinburne University of Technology; Commonwealth Scientific and Industrial Research Organisation; |
| 10125403 | Method and plant for producing iron from roasted pyrites | Jun 24, 13 | Nov 13, 18 | Blücher GmbH |
| 10125409 | Method and plant for processing roasted pyrites | Jun 24, 13 | Nov 13, 18 | Blücher GmbH |
| 9194022 | Upgrading of precious metals concentrates and residues | Jun 17, 11 | Nov 24, 15 | Rustenburg Platinum Mines Limited |
| 9169534 | Recovery of base metals from sulphide ores and concentrates | Jul 23, 13 | Oct 27, 15 | VALE S.A. |
| 8992662 | Method for recovering valuable metals | Feb 15, 12 | Mar 31, 15 | SUMITOMO METAL MINING CO., LTD. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0263,268 | METHOD FOR DISSOLVING BATTERY POWDER IN HYDROCHLORIC ACID | Sep 29, 22 | Aug 08, 24 | Not available |
| 2020/0347,467 | IRONMAKING FEEDSTOCK | Apr 27, 20 | Nov 05, 20 | Not available |
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
- 35 Months (last 2 years Issuances)
- 35 Months (last 5 years Issuances)