LWB REFRACTORIES COMPANY, A CORPORATION OF PENNSYLVANIA
Patent Owner
Stats
- 2 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jan 15, 2013 most recent publication
Details
- 2 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 12 Total Citation Count
- Nov 15, 1993 Earliest Filing
- 5 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Recent Publications
- No Recent Publications to Display
Recent Patents
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
7891408 Method of producing anti-alumina-buildup immersion nozzle for continuous castingExpiredDec 10, 08Feb 22, 11[B22D]
2011/0003,679 Anti-alumina-buildup refractories for casting nozzlesAbandonedAug 19, 03Jan 06, 11[C04B]
2005/0274,486 Method for manufacturing immersion nozzle less susceptible to deposition of alumina for use in continuous castingAbandonedMar 17, 05Dec 15, 05[B22D]
2005/0200,057 Nozzle for continuous casting of aluminum killed steel and continuous casting methodAbandonedJan 05, 05Sep 15, 05[C21B]
5421561 Gas stir devices with refractory material erosion depth indicator and method of making the sameExpiredNov 15, 93Jun 06, 95[B22D]
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