O.J. Pipelines Canada

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 291

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6953909 External pipe welding apparatusSep 29, 03Oct 11, 05[B23K]
6657161 External pipe welding apparatusSep 24, 01Dec 02, 03[B23K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0047,585 Welding carriageAbandonedOct 03, 01Mar 13, 03[B23K]

Top Inventors for This Owner

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