WESTMAN STEEL INDUSTRIES

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
E01F ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE119
 
 
 
E03B INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER 112
 
 
 
E03F SEWERS; CESSPOOLS111

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9422693 Protective device for a culvert pipeOct 02, 14Aug 23, 16[E01F, F16L, E03B, E03F]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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