Patents

 

Patents and patent applications

    • USSR patent No.896911, publ. in 1980. Method for maintaining heat level of BF operation.
    • USSR patent No.1362029, publ. in 1987. Method of transfer of blast furnace from melting cast iron to melting pig iron and vice versa.
    • USSR patent No.1378395, publ. in 1987. Tuyere of blast furnace.
    • USSR patent No.1527897, publ. in 1989. Method of blast furnace operation.
    • USSR patent No.1579873, publ. in 1990. Feeder of dry materials.
    • USSR patent No.1668402, publ. in 1991. Method for control of BF operation heat regime.
    • USSR patent No.1707984, publ. in 1991. Method for control of oxidizers consumption among the tuyeres of BF.
    • USSR patent No.1832723, publ. in 1992. Tuyere apparatus of blast furnace.
    • Switzerland patent Patentgesuch Nr.02 777/92-6 Schweiz und Liechtenstein, 4.09.1992. Verfahren zur Erhöhung des Verbrennungsgrades und der Verbrennungs ¬geschwindigkeit von Einblaskohlen.
    • Ukraine patent application No.93060631, publ. in 1992. Method for blast furnace thermal state control.
    • Ukraine patent application No.94033024, publ. in 1996. Method for pig iron smelting.
    • Ukraine patent No.19124, publ. in 1997. Tuyere assembly device for a blast furnace.
    • Russian patent No.2118989, publ. in 1998. Method for pig iron smelting.
    • German patent application DE 10 2007 029 629 A1, publ. 10,05.2007. Verfahren zum Betreiben eines Schachtofens und für dieses Verfahren geeigneter Schachtofen.
    • International patent application WO 2007/054308 A2, publ. 18.05.2007. Method for the operation of a shaft furnace, and shaft furnace suitable for said method.
    • International patent application WO 2009/000704 A3, publ. 31.12.2008. Shaft furnace and method for operating a furnace.
    • Australian patent application AU 2008267846 from 31.12.2008. Shaft furnace and method for operating a furnace.
    • Korean patent No. 1020100023965 A from 04.03.2008. Method for the operation of a shaft furnace, and shaft furnace suitable for that method.
    • United States patent application publications US 2008/0237944 A1, publ. 2.10.2008. Method for operating a shaft furnace, and shaft furnace operable by that method.
    • German patent application DE 10 2007 029 629 A1, publ. 02,01.2009. Schachtofen und Verfahren zum Betreiben eines Schachtofens.
    • United States patent application publications US 2010/0251855 A1, publ. 7.10.2010. Shaft furnace and method for operating a furnace.
    • Eurasian patent No. 013386 from 30.04.2010. Способ эксплуатации шахтной печи и шахтная печь, эксплуатируемая данным способом.
    • Korean patent No. 1020100023965 A from 04.03.2010. Shaft furnace and method for operating a furnace.
    • Chinese patent application CN000101688255A from 31.03.2010 Shaft furnace and method for operating a furnace.
    • Australian patent application AU 2006311226 B2 from 18.05 2007 (Accepted Journal Date: 09.09.2010). Method for the operation of a shaft furnace, and shaft furnace suitable for said method.
    • European Patent EP 1 948 833 from 21.09.2011. Verfahren zum Betreiben eines Schachtofens und für dieses Verfahren geeigneter Schachtofen.
    • Standard Patent (Australian Government) 2008267846 from 28.06.2007. Shaft furnace and method for operating a furnace. Dated 03.05.2012.
    • United States Patent No. US 8,173,064 B2 from 8.05.2012. Method for operating a shaft furnace, and shaft furnace operable by that method.
    • Eurasian patent No. 016368 from 30.04.2012. Шахтная печь и способ эксплуатации печи.
    • Turkey Patent No. TR 2011 11847 T4 (ER1948833B1) from 9.11.2006. Shaft furnace and method for operating a furnace.
    • Slovak Patent No. 1948833 from 21.9.2011. Shaft furnace and method for operating a furnace.
    • People’s Republic of China Patent No. 200680041467.4 from 7.07.2012. Method for operating a shaft furnace and shaft furnace suitable for this method.
    • Japanese patent No. 511307 from 19.10.2012. Method for operating a shaft furnace and shaft furnace suitable for this method.
    • United States Patent No. US 8,309,016 B2 from 13.11.2012. Shaft furnace and method for operating a furnace.
    • United States Patent No. US 8,444,910 B2 from 21.05.2013. Method for operating a shaft furnace, and shaft furnace operable by that method.
    • Japanese patent No. 5449149 from 10.01.2014. Shaft furnace and method for operating a furnace.