DRESSER-SHAW COMPANY (A NOVA SCOTIA UNLIMITED LIABILITY CORPORATION)

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 285
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6270847 Method of cooling coated pipeMay 12, 00Aug 07, 01[B05D, B29C]
5300336 High performance composite coatingOct 13, 92Apr 05, 94[F17L]
5261995 Pipe wrapping apparatus and methodDec 28, 92Nov 16, 93[B65H]
5178902 High performance composite coatingAug 07, 91Jan 12, 93[B05D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5371972 Method of improving the surface of steel pipe for corrosion resistant coating and apparatus for use in carrying out the methodExpiredFeb 07, 94Dec 13, 94[B24B, B24C]
5311652 Method of improving the surface of steel pipe for corrosion resistant coatingExpiredMay 26, 92May 17, 94[B24C, B23P, B21J, B21C]
5104152 Welded pipe jointExpiredNov 28, 89Apr 14, 92[F16L]
5026451 Method and apparatus for applying thermo-plastic protective coating to pipesExpiredJun 08, 89Jun 25, 91[B29C]
5001801 Oscillating line travel pipe cleaning machineExpiredMay 01, 89Mar 26, 91[B08B]
4785854 Method of coating metal pipe having bending capabilityExpiredFeb 23, 88Nov 22, 88[B65H]
4759390 Coated metal pipe having bending capabilityExpiredNov 25, 86Jul 26, 88[F16L]
4752497 Method of applying an impact resistant moisture impermeable resinous coatingExpiredMay 29, 86Jun 21, 88[B05D]
4698887 Method for fabricating thermally insulated pipeline sectionExpiredSep 19, 86Oct 13, 87[B23P, B21D]
4611635 Coated pipe having bending capabilityExpiredFeb 04, 85Sep 16, 86[F16L]
4544426 Method and apparatus for applying a coating material to a pipeExpiredOct 24, 83Oct 01, 85[B65H]

Top Inventors for This Owner

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