DENGENSHA MANUFACTURING COMPANY LIMITED

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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 687
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 166
 
  
 
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
9604327 Nut feeding apparatusNov 12, 15Mar 28, 17[B23P, B23K, B65H]
8754347 Resistance spot welderFeb 16, 07Jun 17, 14[B23K]
7968815 Resistance spot welder and a bearing/spindle arrangement for the resistance spot welderMar 28, 07Jun 28, 11[B23K]
7036652 Vibration-type parts feeding method and deviceSep 27, 04May 02, 06[B65G]
6881920 Welding parameters setting method for a resistance welder controll apparatusMay 20, 03Apr 19, 05[B23K]
6337456 Welding machine and method for assembling sameDec 10, 99Jan 08, 02[B23K]
5750953 Motor-driven X-type resistance spot welding gunAug 23, 96May 12, 98[B23K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7022933 Seam welding apparatusExpiredJan 30, 03Apr 04, 06[B23K]
6118095 Control device for resistance welderExpiredMar 29, 99Sep 12, 00[B23K]
5928531 Motor-driven resistance spot welding machineExpiredSep 12, 97Jul 27, 99[B23K]
4786779 Saw blade segment welding apparatusExpiredDec 24, 86Nov 22, 88[B23K, B23D]
4734640 Welding current measuring apparatusExpiredMar 14, 86Mar 29, 88[G01R]
4647751 Secondary conductor supervising device of resistance welder control systemExpiredFeb 03, 86Mar 03, 87[B23K]
4634828 Control method of resistance weldingExpiredSep 20, 85Jan 06, 87[B23K]
4634829 Control method of spot weldingExpiredSep 20, 85Jan 06, 87[B23K]
4634830 Method of controlling constant-current for resistance welding machinesExpiredNov 19, 85Jan 06, 87[B23K]

Top Inventors for This Owner

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