W.E. HALL COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 2123
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
A01F THRESHING; BALING OF STRAW, HAY OR THE LIKE; STATIONARY APPARATUS OR HAND TOOLS FOR FORMING OR BINDING STRAW OR HAY INTO BUNDLES; CUTTING OF HAY, STRAW OR THE LIKE; STORING AGRICULTURAL OR HORTICULTURAL PRODUCE119
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5554145 Absorbent article with multiple zone structural elastic-like film web extensible waist featureFeb 28, 94Sep 10, 96[A01F]
5480505 Method of fabricating a steel pipe with integrally formed linerApr 08, 94Jan 02, 96[B29C, B32B]
5454402 Hydraulically efficient ribbed pipe having openingsApr 29, 94Oct 03, 95[F16L]
5316606 Method of fabricating a metal pipe with an integrally formed linerJul 26, 91May 31, 94[B29C, B32B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5607530 Polymer diverter system for metal pipe having an integrally formed polymer linerExpiredAug 09, 95Mar 04, 97[B29C]
5096206 Pipe joint sealerExpiredJun 01, 90Mar 17, 92[F16L, F16J]
4791800 Roll forming process and apparatus for making ribs in strip materialExpiredOct 26, 87Dec 20, 88[B21D]
4763650 Instrument for inserting a deformable lens into the eyeExpiredJan 20, 87Aug 16, 88[A61B]
4763830 Method for welding ribbed pipeExpiredDec 22, 86Aug 16, 88[B23K]

Top Inventors for This Owner

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