Description
Class C21C : PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL
Subclass 1/08: Refining of pig-iron; Cast iron Manufacture of cast-iron
C21C 1/08
Sub-Class
Stats
- 14 US PATENTS IN FORCE
- 4 US APPLICATIONS PENDING
- 8 Total Patent Owners
- 49 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11421289 | Method and apparatus for the production of cast iron, cast iron produced according to said method | Mar 26, 21 | Aug 23, 22 | Not available |
| 11417893 | Method for recycling used or discarded portable electric batteries | Dec 10, 13 | Aug 16, 22 | FIDAY GESTION; ECO'RING; |
| 11254599 | Method for producing rock wool and recoverable cast iron | Nov 04, 16 | Feb 22, 22 | ECO'RING; EURECAT S.A.; |
| 10995379 | Method and apparatus for the production of cast iron, cast iron produced according to said method | May 29, 17 | May 04, 21 | Not available |
| 10844446 | Physical property improvement of iron castings using carbon nanomaterials | May 08, 14 | Nov 24, 20 | Dresser-Rand Company |
| 10767238 | Gray cast iron inoculant | Apr 15, 16 | Sep 08, 20 | Elkem ASA |
| 10612105 | Gray cast iron inoculant | Jun 29, 18 | Apr 07, 20 | Elkem ASA |
| 9719157 | High-strength flake graphite cast iron, manufacturing method thereof, and engine body for internal combustion engine including cast iron | Jan 06, 14 | Aug 01, 17 | DOOSAN INFRACORE CO., LTD. |
| 9708694 | Method for manufacturing high strength flake graphite cast iron for an engine body and flake graphite cast iron for an engine body | Dec 07, 12 | Jul 18, 17 | DOOSAN INFRACORE CO., LTD. |
| 9689059 | High strength flake graphite cast iron having excellent workability and preparation method thereof | Mar 20, 14 | Jun 27, 17 | DOOSAN INFRACORE CO., LTD. |
| 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. |
| 8920532 | Inoculation process and device | Nov 25, 09 | Dec 30, 14 | FUNDACION TECNALIA RESEARCH & INNOVATION, FUNCACION INASMET, |
| 6764557 | Method for producing angular, stainless shot-blasting abrasives based on an fe-cr-c alloy | Nov 05, 02 | Jul 20, 04 | Vulcan Strahltechnik GmbH, VULKAN STRAHLTECHNIK GMBH, |
| 6039786 | Process for melting a metal charge in a rotary furnace and rotary furnace for implementing such a process | May 22, 97 | Mar 21, 00 | L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2022/0251,691 | CAST IRON, IN PARTICULAR FOR COMPONENTS OF DISC BRAKES | Jul 23, 20 | Aug 11, 22 | FRENI BREMBO S.P.A. |
| 2021/0340,639 | NICKEL MAGNESIUM WIRE INJECTION SYSTEM AND METHOD THEREOF | Mar 12, 21 | Nov 04, 21 | Not available |
| 2019/0127,813 | GRAY CAST IRON INOCULANT | Apr 12, 17 | May 02, 19 | Not available |
| 2017/0298,481 | GRAY CAST IRON INOCULANT | Apr 15, 16 | Oct 19, 17 | ELKEM AS |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 41 Months (last 2 years Issuances)
- 41 Months (last 5 years Issuances)