CHUNG CHWAN ENTERPRISE CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A44B BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE 1615
 
  
 
0207 HABERDASHERY AND CLOTHING ACCESSORIES414
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B22C FOUNDRY MOULDING 127
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 148

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0008,012 MOLD CORE ASSEMBLY AND SLIDING ELEMENTOct 17, 16Jan 11, 18[A44B, B22C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9901146 Zip slider structureMar 17, 16Feb 27, 18[A44B]
9775412 Invisible zipper head assembly structure for increasing positioning effect and sliding member thereofOct 23, 15Oct 03, 17[F16B, A44B]
9770074 Cap structure having a plurality of breach hole features and zipper head assembly structure using the sameJan 23, 15Sep 26, 17[A44B]
9687050 Zipper head assembly structure for decreasing frictional resistance and sliding member thereofDec 01, 14Jun 27, 17[A44B]
D780622 Zipper headDec 21, 15Mar 07, 17[0207]
9370225 Zipper head assembly structure for increasing torsional strength and sliding member thereofMay 01, 15Jun 21, 16[A44B]
9226550 Zipper head assembly structureDec 31, 14Jan 05, 16[A44B]
9125459 Invisible zipper head assembly structure for increasing positioning effect and sliding member thereofDec 01, 14Sep 08, 15[A44B]
9060573 Zipper head and pull tab replacement methodApr 12, 13Jun 23, 15[A44B]
9060574 Cap structure having an inner surface concave feature and zipper head assembly structure using the sameJul 05, 13Jun 23, 15[A44B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2018/0008,013 ZIPPER HEAD ASSEMBLY STRUCTURE AND SLIDING ELEMENT THEREOFAbandonedOct 17, 16Jan 11, 18[F16B, A44B]
2017/0340,069 ZIPPER HEAD ASSEMBLY STRUCTURE AND SLIDING ASSEMBLY THEREOFAbandonedAug 05, 16Nov 30, 17[A44B]
2017/0150,789 ZIPPER HEAD ASSEMBLY STRUCTURE FOR DECREASING ASSEMBLING RESISTANCE AND MOVABLE COVER BODY THEREOFAbandonedFeb 01, 16Jun 01, 17[A44B]
2012/0297,584 ZIPPER HEAD STRUCTUREAbandonedMay 24, 11Nov 29, 12[A44B]
2012/0291,236 ZIPPER HEAD STRUCTUREAbandonedMay 19, 11Nov 22, 12[A44B]
2012/0131,768 CROWN STRUCTURE OF ZIPPER HEADAbandonedNov 29, 10May 31, 12[A44B]
8132303 Zipper sliderExpiredMar 26, 09Mar 13, 12[A44B]
2010/0299,887 INSERTION PIN AND INSERTION PIN ASSEMBLY FOR ZIPPERAbandonedJun 02, 09Dec 02, 10[A44B]
2009/0313,793 Zipper headAbandonedJun 23, 08Dec 24, 09[A44B]

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