Description
Class C21C : PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL
Subclass 1/06: Refining of pig-iron; Cast iron Constructional features of mixers for pig-iron
C21C 1/06
Sub-Class
Stats
- 24 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- 14 Total Patent Owners
- 80 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10570745 | Rotary degassers and components therefor | Dec 06, 16 | Feb 25, 20 | MOLTEN METAL EQUIPMENT INNOVATIONS, LLC |
| 10371449 | Magnetic pump installation | Jun 21, 16 | Aug 06, 19 | Novelis Inc. |
| 10337092 | Steel sheet | Apr 24, 14 | Jul 02, 19 | Nippon Steel & Sumitomo Metal Corporation |
| 10077482 | Molten iron refining method and device thereof | Sep 25, 13 | Sep 18, 18 | POSCO |
| 9683271 | Impeller and method of melt-pool processing method using the same | Sep 09, 13 | Jun 20, 17 | POSCO |
| 9663838 | Metal recovery method | Jul 25, 13 | May 30, 17 | NISSHIN STEEL CO., LTD. |
| 9657578 | Rotary degassers and components therefor | Oct 26, 15 | May 23, 17 | MOLTEN METAL EQUIPMENT INNOVATIONS, LLC |
| 9602042 | Method of controlling rotational speed of impeller | Feb 29, 12 | Mar 21, 17 | NISSHIN STEEL CO., LTD. |
| 9506129 | Rotary degasser and rotor therefor | Oct 20, 15 | Nov 29, 16 | MOLTEN METAL EQUIPMENT INNOVATIONS, LLC |
| 9404687 | Magnetic pump installation | Mar 10, 14 | Aug 02, 16 | NOVELIS INC. |
| 9395120 | Magnetic pump installation | Mar 10, 14 | Jul 19, 16 | NOVELIS INC. |
| 9382595 | Method for the production and the purification of molten calcium aluminate using contaminated aluminum dross residue | Feb 11, 14 | Jul 05, 16 | 9253-8444 QUEBEC INC., 9255-8444 QUEBEC INC. DBA METKEM INNOVATION, |
| 9382599 | Rotary degasser and rotor therefor | Sep 15, 13 | Jul 05, 16 | MOLTEN METAL EQUIPMENT INNOVATIONS, LLC |
| 9328615 | Rotary degassers and components therefor | Aug 22, 13 | May 03, 16 | MOLTEN METAL EQUIPMENT INNOVATIONS, LLC |
| 9170052 | Lower vessel of RH degasser | Oct 07, 11 | Oct 27, 15 | JFE STEEL CORPORATION |
| 8920534 | Method for fabricating a biocompatible material having a high carbide phase and such material | Mar 26, 07 | Dec 30, 14 | HOWMEDICA OSTEONICS CORP. |
| 8888075 | Device for adding fluid to a liquid | Mar 11, 09 | Nov 18, 14 | ALU Innovation AS |
| 8864871 | Method for manufacturing copper nanoparticles using microwaves | Aug 27, 07 | Oct 21, 14 | SAMSUNG ELECTRO-MECHANICS CO., LTD. |
| 8551905 | Metal-carbon compositions | Nov 15, 12 | Oct 08, 13 | Third Millennium Materials, LLC |
| 8541335 | Metal-carbon compositions | Nov 15, 12 | Sep 24, 13 | Third Millennium Materials, LLC |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0052,443 | PROCESS FOR TREATING MOLTEN IRON | Dec 17, 21 | Feb 15, 24 | Not available |
| 2020/0017,928 | HEATING DEVICE AND HEATING METHOD OF TORPEDO CAR | Mar 27, 18 | Jan 16, 20 | 501 Nippon Steel Corporation |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 37 Months (last 2 years Issuances)
- 37 Months (last 5 years Issuances)