POWCON INCORPORATED

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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 192

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE31544 Current unit for arc weldingSep 19, 80Mar 27, 84[B23K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5086205 Apparatus employing a welding power supply for powering a plasma cutting torchExpiredMar 26, 90Feb 04, 92[B23K]
4943699 System for supplying powerExpiredNov 30, 89Jul 24, 90[B23K]
4918285 System for supplying powerExpiredJun 09, 88Apr 17, 90[B23K]
4839499 System for supplying power to different cutting torchesExpiredJun 13, 88Jun 13, 89[B23K]
D289995 Welding power supplyExpiredFeb 19, 85May 26, 87[]
4650957 Voltage control systemExpiredApr 29, 85Mar 17, 87[B23K]
4636612 Optical tracking deviceExpiredApr 06, 84Jan 13, 87[B23K]
4623778 Optical tracker control systemExpiredApr 06, 84Nov 18, 86[B23K]
4577499 Slope-speed sensor for seam welding apparatusExpiredJun 18, 84Mar 25, 86[G01P, G01B, G01D]
4385223 Circuit for use with arc voltage controllers in AC gas tungsten arc weldingExpiredJul 25, 80May 24, 83[B23K]
4382171 Arc welding current supplyExpiredSep 19, 80May 03, 83[B23K]
4319124 Monitoring and feedback controls for a spray welding apparatusExpiredFeb 21, 80Mar 09, 82[B23K]
4300035 Welding apparatus with time interval controlExpiredMay 29, 79Nov 10, 81[B23K]
4300036 Welding apparatus with arc interval energy controlExpiredMay 29, 79Nov 10, 81[B23K]
D261476 Welding gunExpiredAug 30, 79Oct 27, 81[D080]
4289950 Narrow gap welding apparatusExpiredMay 15, 79Sep 15, 81[B23K]
4282763 Compound oscillatorExpiredMay 15, 79Aug 11, 81[F16H]

Top Inventors for This Owner

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