Description
Class C21C : PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL
Subclass 1/00: Refining of pig-iron; Cast iron
C21C 1/00
Sub-Class
Stats
- 37 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- 33 Total Patent Owners
- 201 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10612105 | Gray cast iron inoculant | Jun 29, 18 | Apr 07, 20 | Elkem ASA |
| 10604816 | Combined system for producing steel and method for operating the combined system | Dec 11, 14 | Mar 31, 20 | THYSSENKRUPP AG |
| 10434576 | Method and apparatus for producing metallic iron from iron oxide fines | Jan 13, 17 | Oct 08, 19 | Reid Reactors LLC |
| 9844806 | Dual-phase hot extrusion of metals | Mar 14, 13 | Dec 19, 17 | THE ELECTRIC MATERIALS COMPANY |
| 9809868 | Straight barrel type vacuum refining device and method for use the same | Aug 20, 13 | Nov 07, 17 | MAANSHAN IRON & STEEL CO. LTD., MAGANG (GROUP) HOLDING CO. LTD., |
| 9752205 | High-carbon iron-based amorphous alloy using molten pig iron and method of manufacturing the same | Nov 17, 15 | Sep 05, 17 | POSCO, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, |
| 9612027 | Cooling system for forming a mist and methods of repairing or replacing a component thereof | Jan 16, 14 | Apr 04, 17 | CIM TECHNOLOGY INC. |
| 9284617 | Method to obtain a high resistance gray iron alloy for combustion engines and general casts | Feb 12, 09 | Mar 15, 16 | TEKSID DO BRASIL LTDA. |
| 9187792 | Agent for treating molten metals, method for the production and use thereof | Jan 11, 12 | Nov 17, 15 | Alamamet GmbH, ALMAMET GMBH, |
| 8920532 | Inoculation process and device | Nov 25, 09 | Dec 30, 14 | FUNDACION TECNALIA RESEARCH & INNOVATION, FUNCACION INASMET, |
| 8771400 | Method for manufacturing molten iron | May 14, 10 | Jul 08, 14 | ISTC CO., LTD. |
| 8586360 | Method of producing erythrocytes without feeder cells | Jul 01, 10 | Nov 19, 13 | CELULARITY, INC. |
| 8118904 | Metal powder manufacturing device, metal powder, and molded body | Aug 03, 11 | Feb 21, 12 | SEIKO EPSON CORPORATION |
| 8025837 | Generator for flux specific bursts on nano-particles | Nov 20, 07 | Sep 27, 11 | UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, INC. |
| 8017068 | Inducing swirl in a gas flow | Dec 14, 07 | Sep 13, 11 | TECHNOLOGICAL RESOURCES PTY. LIMITED |
| 8012408 | Metal powder manufacturing device, metal powder, and molded body | Mar 29, 07 | Sep 06, 11 | SEIKO EPSON CORPORATION |
| 7951325 | Methods of implementing a water-cooling system into a burner panel and related apparatuses | Jul 17, 06 | May 31, 11 | AIR LIQUIDE ADVANCED TECHNOLOGIES U.S. LLC |
| 7947217 | Metallurgical processing installation | Apr 22, 05 | May 24, 11 | TECHNOLOGICAL RESOURCES PTY. LIMITED |
| 7846379 | Industrial furnace | Jul 08, 04 | Dec 07, 10 | Andritz Maerz GmbH |
| 7846380 | Metal powder production apparatus and metal powder | Jul 17, 09 | Dec 07, 10 | SEIKO EPSON CORPORATION |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0235,470 | APPARATUS FOR ELECTROREFINING A FERROUS MOLTEN METAL AND METHOD ASSOCIATED THEREWITH | Apr 16, 20 | Jul 27, 23 | THE GOVERNING COUNCIL OF THE UNIVERSITY OF TORONTO; TENOVA GOODFELLOW INC.; |
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)