WU, TSUN-ZONG

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A45B WALKING STICKS 312
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169
 
  
 
H02G INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES 148

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9844250 Anti-turning umbrella frameMar 03, 17Dec 19, 17[A45B]
9115826 Cable fastener with cable management functionOct 17, 13Aug 25, 15[F16L, H01R, B65H, H02G]
8225805 Protective member for automatic open close umbrella with anti-springing effectMar 29, 10Jul 24, 12[A45B]
5267583 Multiple-fold automatic umbrella controlled by single push buttonMar 30, 92Dec 07, 93[A45B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0068,568 OPENING SPRING FOR MULTIPLE FOLD AUTOMATIC OPEN-CLOSE UNBRELLAAbandonedSep 12, 13Mar 12, 15[F16F, F03G, A45B]
5247955 Ergonomically operating automatic umbrellaExpiredAug 17, 92Sep 28, 93[A45B]
5232004 Automatic umbrella having wind-resistant buffer effectExpiredSep 21, 92Aug 03, 93[A45B]
5178174 Silently smoothly operating automatic umbrella controlled by single push buttonExpiredMar 30, 92Jan 12, 93[A45B]
5161562 Umbrella with simplified automatic closing mechanismExpiredApr 20, 92Nov 10, 92[A45B]

Top Inventors for This Owner

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