Peerless of America, Incorporated

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 254
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 151

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5704123 Method of making folded, bent and re-expanded heat exchanger tube and assembliesDec 13, 95Jan 06, 98[B23P]
5549335 Solderless metallurgical jointApr 06, 94Aug 27, 96[F16L]
5544698 Differential coatings for microextruded tubes used in parallel flow heat exchangersMar 30, 94Aug 13, 96[F28F]
5228198 Method of manufacturing a heat exchanger assembly with wrapped tubingOct 16, 91Jul 20, 93[B23P]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0302,518 Flat tube heat exchangerAbandonedJun 07, 07Dec 11, 08[F28D]
2005/0167,088 Fin array for heat transfer assemblies and method of making sameAbandonedDec 22, 04Aug 04, 05[F28F]
6598669 Fin array for heat transfer assemblies and method of making sameExpiredApr 19, 99Jul 29, 03[F28F]
6247527 Fin array for heat transfer assemblies and method of making sameExpiredApr 18, 00Jun 19, 01[F28D]
6146470 Methods of brazing and preparing articles for brazing, and coating composition for use in such methodsExpiredJun 25, 98Nov 14, 00[B23K]
5772104 Methods of brazing and preparing articles for brazing, and coating composition for use in such methodsExpiredAug 26, 96Jun 30, 98[B23K]
5133492 Method and apparatus for separating thin-walled, multiport micro-extrusionsExpiredDec 19, 90Jul 28, 92[B26D, B23D]
5099574 Method of making a heat exchanger assembly with wrapped tubingExpiredNov 29, 90Mar 31, 92[B21D]
4881311 Heat exchanger assembly with integral fin unitExpiredMay 26, 88Nov 21, 89[B21D]
4794985 Finned heat exchanger tubing with varying wall thicknessExpiredApr 29, 87Jan 03, 89[F28D, F28F]
4778004 Heat exchanger assembly with integral fin unitExpiredDec 10, 86Oct 18, 88[F28D]
4637111 Process of making heat exchangersExpiredJun 17, 85Jan 20, 87[B23P, F28F, B21D]
4565244 Tubular articles of manufacture and method of making sameExpiredAug 02, 79Jan 21, 86[F28F]
4554970 Heat exchangers and method of making sameExpiredJun 10, 82Nov 26, 85[F28F]
4369833 Tube supportsExpiredDec 31, 79Jan 25, 83[F28F]
4360958 Method of making heat exchangersExpiredJan 12, 81Nov 30, 82[B23P]
4349949 Method of making heat exchangersExpiredNov 05, 80Sep 21, 82[B23P]
4337826 Heat exchangers and method of making sameExpiredFeb 26, 79Jul 06, 82[F28D, B21D]
4332069 Making heat exchangersExpiredNov 10, 80Jun 01, 82[B23P, B21D]
4330913 Method of making heat exchangersExpiredOct 20, 80May 25, 82[B23P, B21D]

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