QUINCY COMPRESSOR LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 1151
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 254
 
  
 
B01D SEPARATION 1133
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 146
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS149
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H04M TELEPHONIC COMMUNICATION 1162

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9835147 Dual control valve for reciprocating compressor unloader systemJan 02, 14Dec 05, 17[F04B]
8721301 Smart blow-down system for variable frequency drive compressor unitsOct 19, 12May 13, 14[F04B]
8308446 Smart blow-down system for variable frequency drive compressor unitsApr 04, 08Nov 13, 12[F04B]
7519505 Method and system for estimating the efficiency rating of a compressed air systemMay 23, 05Apr 14, 09[G06F]
6916353 Curved side oil or fluid separator elementApr 01, 04Jul 12, 05[B01D]
6533552 System and methods for controlling rotary screw compressorsApr 23, 02Mar 18, 03[F04B]
6529590 Systems and methods for remotely controlling a machineSep 30, 98Mar 04, 03[H04M]
6471486 Compressor system and method and control for sameJun 12, 00Oct 29, 02[F04B]
6450771 System and method for controlling rotary screw compressorsJul 24, 00Sep 17, 02[F04B]
6244824 System and methods for controlling rotary screw compressorsAug 19, 99Jun 12, 01[F04B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6519938 Recording and controlling pneumatic profilesExpiredDec 22, 98Feb 18, 03[F16D]
6478546 Multistage blowdown valve for a compressor systemExpiredDec 18, 01Nov 12, 02[F04B]
6371731 Multistage blowdown valve for a compressor systemExpiredJun 27, 01Apr 16, 02[F04B]

Top Inventors for This Owner

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