LINCOLN ELECTRIC HOLDINGS, INC.

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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 390
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 183

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6225596 Portable welding unitMar 20, 96May 01, 01[B23K]
6046664 Welding power supply transformer apparatus and methodMar 05, 98Apr 04, 00[H01F]
D416030 Portable welderMar 05, 98Nov 02, 99[1509]
5260545 Welding power supplyApr 29, 91Nov 09, 93[B23K]
5208441 Plasma arc ignition systemJul 23, 92May 04, 93[B23K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5639392 Locking crank mechanismExpiredSep 14, 95Jun 17, 97[B23K]
4916270 Mig welder cutting head attachmentExpiredFeb 06, 89Apr 10, 90[B23K]

Top Inventors for This Owner

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