BRITISH STEEL LIMITED
Patent Owner
Stats
- 5 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Apr 30, 2013 most recent publication
Details
- 5 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 191 Total Citation Count
- Mar 28, 1980 Earliest Filing
- 19 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
8430976 Rail steel with an excellent combination of wear properties and rolling contact fatigue resistanceFeb 23, 09Apr 30, 13[C22C]
5879474 Relating to carbide-free bainitic steels and method of producing such steelsSep 29, 97Mar 09, 99[C21D, C22C]
5773783 Double skin composite structures and methods of producing such structuresFeb 14, 97Jun 30, 98[B23K]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5508865 Head guide assembly providing critial alignments and improved resonance responseExpiredMay 02, 94Apr 16, 96[G11B]
5488478 Method and apparatus for measuring the shape of a surface of an objectExpiredOct 03, 94Jan 30, 96[G01B]
4904312 Method of electrolytically etching linear impressions in electrical steelExpiredAug 10, 88Feb 27, 90[H01F]
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