LUVATA ALLTOP (ZHONGSHAN) LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 745
 
  
 
B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL318
 
  
 
B21B ROLLING OF METAL 230
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 148
 
  
 
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
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178
 
  
 
C22C ALLOYS 171
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 144

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0089,649 HEAT TRANSFER TUBE CONSTRUCTED OF TIN BRASS ALLOYSep 30, 16Mar 30, 17[B23K, F28D, F28F, B22D, B21C, C22C]
2015/0316,329 A GROOVED TUBENov 06, 13Nov 05, 15[F28F]
2014/0083,668 HEAT TRANSFER PIPE FOR HEAT EXCHANGERApr 06, 11Mar 27, 14[F28F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9891009 Tube for heat transferJul 11, 14Feb 13, 18[F28F]
9376288 Reeling apparatus for coiling tubesApr 28, 11Jun 28, 16[F16K, B08B, B65H, B21C]
7258296 Spiral winder and a method of spirally windingDec 21, 01Aug 21, 07[B21C]
6920773 Method and apparatus for manufacturing tubes by rollingDec 11, 01Jul 26, 05[B21B]
6892559 Method and apparatus for manufacturing tubesDec 11, 01May 17, 05[B21B]
6666060 Roller head for a planetary rolling millJun 17, 02Dec 23, 03[B21D]
6182743 Polyhedral array heat transfer tubeNov 02, 98Feb 06, 01[F28F]
6176301 Heat transfer tube with crack-like cavities to enhance performance thereofDec 04, 98Jan 23, 01[F28F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0271,716 COOLING SYSTEM TO REDUCE LIQUID METAL EMBRITTLEMENT IN METAL TUBE AND PIPEAbandonedOct 15, 14Sep 22, 16[B23K]

Top Inventors for This Owner

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