PROCESS TECHNOLOGY INTERNATIONAL, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C21B MANUFACTURE OF IRON OR STEEL 617
 
  
 
F27D DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE 421
 
  
 
C22B PRODUCTION OR REFINING OF METALS 325
 
  
 
C21C PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL 216
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 2109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8277721 Systems and methods for accessing a furnace meltOct 20, 08Oct 02, 12[F27D, C21C, C21B]
8206642 Pivoting slag doorMar 16, 10Jun 26, 12[C21C]
8003043 Systems and methods for accessing a furnace meltApr 23, 10Aug 23, 11[F27D, C21C, C21B]
7858018 Mounting enclosure for burners and particle injectors on an electric arc furnaceFeb 17, 09Dec 28, 10[C22B]
7704444 Method and apparatus for testing characteristics of a furnace meltJun 29, 05Apr 27, 10[F27D, C21C, C21B]
7704445 Systems and methods for accessing a furnace meltAug 07, 06Apr 27, 10[F27D, C21C, C21B]
7491360 Mounting enclosure for burners and particle injectors on an electric arc furnaceJul 31, 04Feb 17, 09[C21B]
6805724 Method for particulate introduction for metal furnacesOct 30, 01Oct 19, 04[C22B]
6749661 Method for melting and decarburization of iron carbon meltsJun 05, 01Jun 15, 04[C21C]
6614831 Mounting arrangement for auxiliary burner or lanceJul 10, 01Sep 02, 03[H05B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7483471 Cooling device for use in an electric arc furnaceExpiredFeb 24, 06Jan 27, 09[F27D]

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