Sky Aluminium Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C22C ALLOYS 171
 
  
 
C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS 136

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6635360 Aluminum alloy brazing sheetOct 26, 01Oct 21, 03[B23K, B32B]
5540791 Preformable aluminum-alloy rolled sheet adapted for superplastic forming and method for producing the sameOct 24, 94Jul 30, 96[C22F]
5181969 Rolled aluminum alloy adapted for superplastic forming and method for makingJun 06, 91Jan 26, 93[B22D, C22C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6607578 Continuous vacuum refining method of molten metal and apparatus thereofExpiredNov 21, 01Aug 19, 03[C22B]
6261391 Aluminum alloy plate for super plastic molding capable of cold pre-molding, and production method for the sameExpiredMar 10, 95Jul 17, 01[C22F]
5700424 System for preparing aluminum alloy strip having improved formability and bake hardenabilityExpiredMar 06, 96Dec 23, 97[C21D]
5462634 Surface-treated aluminum material and method for its surface treatmentExpiredJan 31, 95Oct 31, 95[C23C]
5399406 Paneling material and composite panel using the sameExpiredFeb 04, 94Mar 21, 95[B32B]
D329134 Attache caseExpiredJul 06, 90Sep 08, 92[]
4922778 Apparatus for cutting metal sheetExpiredOct 17, 88May 08, 90[B26D, B23D]
4908078 Material for conductive parts of electronic or electric devicesExpiredMay 27, 88Mar 13, 90[C22C]
4897124 Aluminum-alloy rolled sheet for forming and production method thereforExpiredJun 30, 88Jan 30, 90[C22F]
4861396 Aluminum alloy material plate for printingExpiredAug 25, 87Aug 29, 89[B41N, C22C]
4838958 Aluminum-alloy rolled sheet and production method thereforExpiredSep 08, 87Jun 13, 89[C22F]
4835930 Metal roofing and siding panelExpiredJun 24, 88Jun 06, 89[E04D]
4836863 Wrought material of aluminum alloy to be anodized gray and process for making the sameExpiredNov 18, 87Jun 06, 89[C22F]
4808247 Production process for aluminum-alloy rolled sheetExpiredFeb 20, 87Feb 28, 89[C22F]
4761267 Aluminum alloy for use as core of clad materialExpiredFeb 03, 87Aug 02, 88[C22C]
4718948 Rolled aluminum alloy sheets for forming and method for makingExpiredFeb 26, 86Jan 12, 88[C22F]

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