Description
Class C22B : PRODUCTION OR REFINING OF METALS
Subclass 1/10: Preliminary treatment of ores or scrap Roasting processes (C22B 1/16 takes precedence) in fluidised form
C22B 1/10
Sub-Class
Stats
- 25 US PATENTS IN FORCE
- 3 US APPLICATIONS PENDING
- 13 Total Patent Owners
- 165 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12139774 | Suspension roasting system and method for industrial processing of iron and manganese ores | Jun 18, 20 | Nov 12, 24 | Northeastern University |
| 11401578 | Extraction methods from refractory ores | Nov 10, 17 | Aug 02, 22 | TCM RESEARCH LTD. |
| 11187406 | Bed management cycle for a fluidized bed boiler and corresponding arrangement | Nov 07, 16 | Nov 30, 21 | Improbed AB |
| 10745777 | Oxygen injection in fluid bed ore concentrate roasting | Sep 24, 18 | Aug 18, 20 | Praxair Technology Inc. |
| 10569245 | Method and device for the heat treatment of granular solids | Aug 20, 18 | Feb 25, 20 | OUTOTEC (FINLAND) OY |
| 10315176 | Plug flow reactor with internal recirculation fluidized bed | May 08, 15 | Jun 11, 19 | Hatch Ltd. |
| 9469884 | System and method for the calcination of minerals | Jun 05, 14 | Oct 18, 16 | CALIX LTD |
| 9206493 | Method for leaching copper oxide, replacing sulfuric acid with a non-polluting organic leaching agent | Nov 28, 11 | Dec 08, 15 | PROKUMET SPA |
| 9200345 | Process and plant for treating ore concentrate particles containing valuable metal | Dec 14, 10 | Dec 01, 15 | OUTOTEC OYJ |
| 9068240 | Method for processing spodumene | May 12, 11 | Jun 30, 15 | OUTOTEC OYJ |
| 8945489 | Metal recovery process | Jan 15, 10 | Feb 03, 15 | Minex Technologies Limited |
| 8236090 | Process and apparatus for producing metals and/or primary metal products | Dec 06, 05 | Aug 07, 12 | POSCO, PRIMETALS TECHNOLOGIES AUSTRIA GMBH, |
| 8119059 | Apparatus for manufacturing molten irons | Dec 26, 06 | Feb 21, 12 | POSCO, SIEMENS VAI METALS TECHNOLOGIES GMBH, |
| 8052921 | Apparatus for manufacturing molten irons | Dec 26, 06 | Nov 08, 11 | POSCO, SIEMENS VAI METALS TECHNOLOGIES GMBH, |
| 7878156 | Method and plant for the conveyance of fine-grained solids | Dec 12, 03 | Feb 01, 11 | OUTOTEC OYJ |
| 7651547 | Fluidized bed method and plant for the heat treatment of solids containing titanium | Dec 10, 03 | Jan 26, 10 | OUTOTEC OYJ |
| 7632334 | Method and plant for the heat treatment of solids containing iron oxide | Dec 12, 03 | Dec 15, 09 | OUTOTEC OYJ |
| 7625422 | Method and plant for the heat treatment of solids containing iron oxide using a fluidized bed reactor | Dec 01, 03 | Dec 01, 09 | OUTOTEC OYJ |
| 6669894 | Roaster with stabilized fluidized bed for roasting zinc concentrate | Jan 18, 02 | Dec 30, 03 | KOREA ZINC CO., LTD. |
| 6500381 | Method and apparatus for supplying granular raw material for reduced iron | Aug 16, 00 | Dec 31, 02 | KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0059,622 | Zinc Production Powered by Geothermal Energy | Aug 15, 23 | Feb 20, 25 | Not available |
| 2024/0240,283 | PROCESS AND PLANT FOR RECYCLING ZINC OXIDE RESIDUES | Jun 16, 21 | Jul 18, 24 | Not available |
| 2020/0056,260 | EXTRACTION METHODS FROM REFRACTORY ORES | Nov 10, 17 | Feb 20, 20 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 44 Months (last 2 years Issuances)
- 44 Months (last 5 years Issuances)