ELSTER PERFECTION CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL961
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING469
 
  
 
B23B TURNING; BORING 250
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 136
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 122

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8826929 Cutter assemblyFeb 10, 11Sep 09, 14[B23B]
7721754 Tapping tee assembly with cap assemblyNov 09, 07May 25, 10[F16L]
7178544 Combination shut-off and resetable excess flow valveJul 30, 04Feb 20, 07[F16K]
7125052 Crimped gas riser with jacket assemblyFeb 28, 03Oct 24, 06[F16L]
7021328 No interrupt service tee and methodAug 15, 03Apr 04, 06[F16K]
6932389 Connector with fluid line installation indicatorDec 31, 03Aug 23, 05[F16L]
6892753 Structure for converting a mechanical joint to a fusion jointJun 04, 02May 17, 05[B26D, B21D]
6851395 Heat trap with non-rotating sealing memberAug 20, 03Feb 08, 05[F22B]
6612330 No interrupt service tee and methodJul 06, 00Sep 02, 03[F16K]
6565125 Coupling assembly for joining plastic and metal pipesApr 26, 01May 20, 03[F16L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0026,757 RISER ASSEMBLY AND METHOD OF ASSEMBLY THEREFORAbandonedApr 03, 08Jan 29, 09[F16L]
2008/0099,077 LEAKPROOF TAPPING TEE ASSEMBLYAbandonedOct 23, 07May 01, 08[F16L]
7093565 Heat trapExpiredSep 20, 04Aug 22, 06[F22B]
5947532 Stab-type coupling for conduitExpiredDec 09, 97Sep 07, 99[F16L]
5149054 Reinforced polymer valveExpiredDec 05, 90Sep 22, 92[F16K]

Top Inventors for This Owner

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