W.E. HALL COMPANY, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL664
 
  
 
E03F SEWERS; CESSPOOLS39
 
  
 
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)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9746108 Composite underground pipe structureFeb 26, 15Aug 29, 17[F16L, E03F, B32B]
8991439 Corrugated metal pipeMar 07, 14Mar 31, 15[F16L, E03F]
8985160 Corrugated metal pipeSep 12, 13Mar 24, 15[F16L, E03F]
8839823 Corrugated metal pipeSep 09, 13Sep 23, 14[F16L, E03F]
8573260 Corrugated metal pipeAug 03, 10Nov 05, 13[F16L]
8555932 Corrugated metal pipeDec 14, 11Oct 15, 13[F16L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0273,927 Security barrierAbandonedMay 04, 07Nov 06, 08[E02D]

Top Inventors for This Owner

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