Showa Aluminum Kabushiki Kaisha

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

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 547
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
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
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
C22C ALLOYS 171
 
  
 
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 144
 
  
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 165

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5518823 Aluminum foil as electrolytic condenser electrodesSep 12, 94May 21, 96[H01G, C22C]
5386629 Tube for heat exchangers and a method for manufacturing the tubeMar 17, 94Feb 07, 95[B23P]
5260142 Corrosion-resistant clad material made of aluminum alloysNov 18, 91Nov 09, 93[F28F]
5243842 Method of making a brazeable metal pipe having tube-insertion apertures formed with guide lugsJul 16, 92Sep 14, 93[B21D]
5244144 Method for brazing aluminum materialsNov 12, 92Sep 14, 93[B23K]
5186250 Tube for heat exchangers and a method for manufacturing the tubeApr 29, 91Feb 16, 93[F28F]
5183103 Heat exchangerOct 28, 91Feb 02, 93[F28F]
5152337 Stack type evaporatorSep 12, 91Oct 06, 92[F28D]
5123483 Heat exchangerOct 04, 91Jun 23, 92[F28F]
5069275 Heat exchangerJan 28, 91Dec 03, 91[F28F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5482112 CondenserExpiredNov 17, 94Jan 09, 96[F28B, F28F]
5302342 Aluminum alloy for heat exchangersExpiredJul 16, 93Apr 12, 94[C22C]
5069055 Automatic plug-inserting apparatus in a pipe-drawing equipmentExpiredOct 25, 90Dec 03, 91[B21C]
5069095 Pipe centering apparatusExpiredNov 21, 90Dec 03, 91[B23B, B65G]
5060500 Apparatus for automatically forming a pointed end of raw pipe to be drawnExpiredOct 25, 90Oct 29, 91[B21D, B21B]
5048602 Heat exchangersExpiredMay 22, 89Sep 17, 91[F28F]
5033344 Pipe cutting apparatusExpiredNov 14, 90Jul 23, 91[B26D]
5033540 Consolidated duplex heat exchangerExpiredDec 04, 90Jul 23, 91[F28F]
5025855 Condenser for use in a car cooling systemExpiredApr 16, 90Jun 25, 91[F28D]
5021106 Brazeable aluminum alloy sheet and process of making sameExpiredOct 19, 89Jun 04, 91[C22F, C22C]
4991647 Heat exchangerExpiredJun 18, 90Feb 12, 91[F28F]
4989775 Method for brazing aluminum componentsExpiredDec 14, 88Feb 05, 91[B23K]
4967834 Heat exchangersExpiredMay 30, 89Nov 06, 90[F28D, F28F]
4962880 Method of forming a heat exchanger with components comprising an aluminum alloy containing reduced amounts of magnesiumExpiredApr 03, 90Oct 16, 90[B23K]
4945635 Method of manufacturing brazable pipes and heat exchangerExpiredMay 30, 89Aug 07, 90[B21D]
4936379 Condenser for use in a car cooling systemExpiredMar 27, 89Jun 26, 90[F28D]
4933007 Heat-resistant aluminum-base composites and process of making sameExpiredOct 19, 89Jun 12, 90[C22C]
4907735 Process for producing a chassis for vehiclesExpiredOct 05, 89Mar 13, 90[B60R]
4866479 Photosensitive drumsExpiredMay 24, 88Sep 12, 89[G03G]
4852791 Method for making corrosion resistance heat exchangersExpiredJun 02, 88Aug 01, 89[B23K, F28D]

View all patents..

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.