AK PROPERTIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C23G CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS 211
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 148
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 1100
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 183

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6929705 Antimicrobial coated metal sheetAug 23, 01Aug 16, 05[C23C]
6749693 Method of producing (110)[001] grain oriented electrical steel using strip castingSep 13, 02Jun 15, 04[H01F]
6746614 Method for removing hydrogen peroxide from spent pickle liquorApr 09, 02Jun 08, 04[C02F]
6739384 Method of continuously casting electrical steel strip with controlled spray coolingSep 13, 02May 25, 04[B22D]
6645306 Hydrogen peroxide pickling scheme for stainless steel gradesApr 09, 02Nov 11, 03[C23G]
6599371 Hydrogen peroxide pickling scheme for silicon-containing electrical steel gradesApr 09, 02Jul 29, 03[C23G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0000,596 Method for production of non-oriented electrical steel stripAbandonedMay 14, 03Jan 06, 05[H01F]
2002/0146,348 Universal pickle liquor acid analyzerAbandonedApr 09, 02Oct 10, 02[G01N]

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