TATA STEEL LIMITED

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C10L FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS 537
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 540
 
  
 
C21C PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL 414
 
  
 
B21B ROLLING OF METAL 329
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF376
 
  
 
C09D COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR 389
 
  
 
C21B MANUFACTURE OF IRON OR STEEL 320
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107
 
  
 
B03B SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS 27
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 285

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0244,637 Chromium-Free Water Based Coating for Treating a Galvannealed or Galvanized Steel SurfaceSep 24, 14Aug 25, 16[C09D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9815026 Method of recovery of organic solvents required in refining of coalJul 06, 09Nov 14, 17[C10L, B01D]
9617159 Process for synthesizing reduced graphene oxide on a substrate from seedlacMay 08, 14Apr 11, 17[C01B, C03C, B05D, B82Y, C09D]
9593391 Strip, sheet or blank suitable for hot forming and process for the production thereofFeb 18, 11Mar 14, 17[C23C, C21D]
9579666 Cyclone for dense medium separationDec 18, 07Feb 28, 17[B04C, B03B, B07B]
9567215 Method for producing hydrogen and/or other gases from steel plant wastes and waste heatSep 25, 15Feb 14, 17[C22B, C01B, C04B, C10J, C21B]
9441175 Process for production of low ash clean coal from high ash coal with total solvent recoverySep 04, 12Sep 13, 16[C10L]
9346675 Set-up for production of hydrogen gas by thermo-chemical decomposition of water using steel plant slag and waste materialsMar 09, 12May 24, 16[C01B, C10J, B01J]
9321028 Process flow sheet for pre-treatment of high ash coal to produce clean coalSep 04, 12Apr 26, 16[C10L, A62D, B01J]
9303922 Method and apparatus for achieving higher cooling rates of a gas during bypass cooling in a batch annealing furnace of cold rolling millsNov 12, 13Apr 05, 16[F27D, B21C, C21D, B21B]
9074818 Method and apparatus for achieving higher cooling rates of a gas during bypass cooling in a batch annealing furnace of cold rolling millsApr 20, 09Jul 07, 15[F28D, F27D, F28F, C21D, B21B]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0245,659 System and a Process to Produce Low Ash Clean Coal from High Ash CoalAbandonedSep 01, 11Sep 04, 14[C10L]
8469197 Blended frother for producing low ash content clean coal through flotationExpiredAug 19, 08Jun 25, 13[B03D]
2011/0027,133 Set-Up For Production Of Hydrogen Gas By Thermo-Chemical Decomposition Of Water Using Steel Plant Slag And Waste MaterialsAbandonedAug 05, 10Feb 03, 11[C01B]
2010/0111,826 Set-Up for Production of Hydrogen Gas By Thermo-Chemical Decomposition of Water Using Steel Plant Slag and Waste MaterialsAbandonedJun 13, 06May 06, 10[C01B]
2009/0220,410 Method for Producing Hydrogen and/or Other Gases from Steel Plant Wastes and Waste HeatAbandonedJul 04, 06Sep 03, 09[C01B]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.