National Steel Corporation

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156

Top Patents (by citation)

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

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE31349 Lubricated metallic container stocks and method of preparing the same and applying organic coating theretoNov 28, 80Aug 16, 83[B32B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7774164 Performance prediction program and performance prediction system for ground source heat pump systemExpiredAug 29, 06Aug 10, 10[G06F]
2004/0118,489 Dual phase hot rolled steel sheet having excellent formability and stretch flangeabilityAbandonedDec 18, 02Jun 24, 04[C21D]
2004/0047,756 Cold rolled and galvanized or galvannealed dual phase high strength steel and method of its productionAbandonedSep 06, 02Mar 11, 04[C22C]
6516870 Tundish fluxing processExpiredMay 15, 00Feb 11, 03[C22B, B22D]
6143100 Bake-hardenable cold rolled steel sheet and method of producing sameExpiredSep 29, 98Nov 07, 00[C21D]
6007642 Super low loss motor lamination steelExpiredDec 08, 97Dec 28, 99[H01F]
5645121 Method of continuous casting using sealed tundish and improved tundish sealExpiredJan 05, 96Jul 08, 97[B22D]
5600564 Coke oven battery with communication systemExpiredDec 01, 94Feb 04, 97[B61L, G06F]
5571328 Bearing support for submerged rolls in hot dip coating operationExpiredApr 06, 94Nov 05, 96[B05C]
5544868 Blow pipe and gas lance for blast furanceExpiredJul 31, 95Aug 13, 96[C21B]
5485387 Method and apparatus for performing cup earing testExpiredOct 17, 94Jan 16, 96[G06F]
5174822 Steel strip annealing and coating apparatusExpiredJan 03, 91Dec 29, 92[B05C]
5156683 Apparatus for magnetic induction edge heaters with frequency modulationExpiredApr 26, 90Oct 20, 92[B05C]
5099780 Bearing support for hot dip metal coating rollExpiredSep 06, 90Mar 31, 92[B05C]
5078089 Oil spray coating boothExpiredMay 02, 90Jan 07, 92[B05C]
5007318 Metal strip edge trimming apparatusExpiredDec 20, 89Apr 16, 91[B23D]
4959939 Building panel mounting systemExpiredSep 26, 89Oct 02, 90[E04D]
4945746 Containment fence for runout tableExpiredDec 27, 88Aug 07, 90[B21B]
4886247 Ceramic brick retainer band for steel ladleExpiredNov 08, 88Dec 12, 89[C21C]
4854488 Shroud tube support and changing deviceExpiredMar 08, 88Aug 08, 89[B22D]

View all patents..

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!.