GARDNER DENVER, INC.

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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 1052
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING865
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 324
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 367
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS347
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 262
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 245
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 164
 
  
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 132
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 144

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9740643 Systems and methods for recovering higher speed communication between devicesJun 20, 13Aug 22, 17[G06F]
9732746 Fluid end of a high pressure plunger pumpMay 16, 16Aug 15, 17[F16K, F04B]
9611869 Slim mobile hydraulic fluid cooling assemblyJul 17, 13Apr 04, 17[F01M, F15B, F28D, F28F]
9383015 Fluid end having spherical cross-bore intersectionMay 21, 13Jul 05, 16[F16L, F04B, F16J]
8899950 Slide valve for screw compressorDec 16, 11Dec 02, 14[F04C]
D716424 Slim mobile hydraulic fluid cooling assemblyJul 17, 13Oct 28, 14[2303]
8801395 Startup bypass system for a screw compressorJun 16, 08Aug 12, 14[F04C]
8074679 Y-type fluid end with replaceable suction moduleDec 21, 06Dec 13, 11[F16K]
7984671 Self-tightening cover for pumpMar 02, 09Jul 26, 11[F04B, F01B, F16J]
7506574 Self-tightening cover for pumpMar 11, 04Mar 24, 09[F04B, F01B, F16J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0372,575 HIGH SPEED INDUCTION MACHINE WITH FRACTIONAL-SLOT TOOTH-COIL WINDINGAbandonedJun 18, 14Dec 24, 15[H02K]
2015/0086,401 RETROFIT OF A RECIPROCATING COMPRESSOR WITH A CONCENTRIC VALVE AND A VALVE CLAMP HAVING AN INLET PORT IN A TOP COVER OF THE CLAMPAbandonedNov 12, 13Mar 26, 15[F04B]
2014/0086,774 FLUID END OF A HIGH PRESSURE PLUNGER PUMP HAVING A GROOVE ADAPTED TO RECEIVE A SPRING RETAINER OF A SUCTION VALVEAbandonedOct 05, 12Mar 27, 14[F16K, F04B]
2014/0083,541 FLUID END OF A HIGH PRESSURE PUMP HAVING A GROOVE ADAPTED TO RECEIVE A SPRING RETAINER OF A SUCTION VALVEAbandonedFeb 21, 13Mar 27, 14[F04B]
2013/0121,860 RETROFIT OF A RECIPROCATING COMPRESSOR WITH A CONCENTRIC VALVEAbandonedNov 10, 11May 16, 13[B23P, F04B]
2008/0279,708 Screw Compressor with Oil Feed SystemAbandonedNov 30, 06Nov 13, 08[F04C]
2007/0099,746 Self aligning gear setAbandonedDec 21, 05May 03, 07[F16H]
7172175 Suction valveExpiredJan 26, 04Feb 06, 07[F16K]
7004195 Discharge valveExpiredJan 26, 04Feb 28, 06[F16K]
6979125 Rod-guided crosshead assemblyExpiredMay 06, 03Dec 27, 05[F16C]
2004/0234,404 Fluid end assemblyAbandonedMay 20, 03Nov 25, 04[F04B]
6698450 Discharge valveExpiredApr 04, 02Mar 02, 04[F16K]
6695007 Suction valveExpiredApr 03, 02Feb 24, 04[F16K]
6609899 Locomotive air compressor with outboard support bearingExpiredDec 14, 00Aug 26, 03[F04B]
6241492 High pressure pumpExpiredApr 19, 99Jun 05, 01[F04B, F01B]
6220825 Rotary-screw air compressor having a separator and a cooler fan assemblyExpiredJun 15, 99Apr 24, 01[F04B, F01C]
6105615 Control valveExpiredDec 21, 98Aug 22, 00[F16K]
6022200 Vertical arrangement of a dual heat exchanger/fan assemblyExpiredSep 23, 97Feb 08, 00[F04B]
5947711 Rotary screw air compressor having a separator and a cooler fan assemblyExpiredApr 16, 97Sep 07, 99[F04C, B01D]
5924853 High pressure pumpExpiredApr 11, 97Jul 20, 99[F04B]

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