LUK FAHRZEUG-HYDRAULIK GMBH & CO. KG

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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 1547
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 821
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 839
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 621
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 420
 
  
 
F04F PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED 311
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 388
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING370
 
  
 
B01D SEPARATION 2132
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 282

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8066497 Pump with side surface coatingDec 12, 05Nov 29, 11[F04C]
7922469 PumpJun 19, 04Apr 12, 11[F03C]
7874309 CompressorOct 31, 03Jan 25, 11[F16K]
7743694 Axial piston machineNov 09, 05Jun 29, 10[F01B]
7534101 Pump with radial packing ringJun 24, 04May 19, 09[F04C, F03C, F01C]
7520732 PumpDec 20, 02Apr 21, 09[F01C]
7273004 Reciprocating machineDec 03, 04Sep 25, 07[F01B]
7263877 Determination of the piston stroke in a reciprocating piston machineNov 15, 02Sep 04, 07[G01M]
7115038 Shaft-hub connectionDec 05, 03Oct 03, 06[F16D]
7063464 Reciprocating piston mechanismJul 30, 03Jun 20, 06[F16C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8353681 Compressor having a drive mechanism and a lubricant separatorExpiredAug 05, 05Jan 15, 13[F04B]
8322270 Reciprocating piston machineExpiredOct 20, 05Dec 04, 12[F01B]
8235163 Steering boost systemExpiredAug 18, 05Aug 07, 12[B62D, F04B]
8197239 Flow-control valve device for a pumpExpiredFeb 17, 05Jun 12, 12[F04B]
7698989 Reciprocating piston machineExpiredJul 03, 03Apr 20, 10[F01B]
7587970 Reciprocating piston machineExpiredOct 20, 05Sep 15, 09[F04B]
7500425 Axial piston machineExpiredDec 12, 03Mar 10, 09[F04B]
7351046 Shaft-hub connectionExpiredAug 21, 06Apr 01, 08[F01C]
7302806 Motor vehicle with an air-conditioning systemExpiredJun 12, 03Dec 04, 07[F25B]
2007/0256,431 Air-Conditioning Compressor or Air Conditioning SystemAbandonedSep 28, 05Nov 08, 07[F25B]
7258531 Axial piston compressorExpiredNov 21, 03Aug 21, 07[F04B]
7118324 CO.sub.2 compressorExpiredAug 04, 00Oct 10, 06[F04D]
7004729 Compressor with pot-shaped housing and housing sealing coverExpiredNov 24, 03Feb 28, 06[F04B]
6953325 Safety device to limit pressure in an axial-piston compressor housingExpiredJan 06, 03Oct 11, 05[F04B]
2005/0204,768 Air conditionerAbandonedApr 15, 05Sep 22, 05[B60H, F25B]
6896786 Method and device for producing wear resisting surfacesExpiredSep 14, 99May 24, 05[C25D]
6886355 Air-conditioning systemExpiredMay 21, 03May 03, 05[F25B]
6837690 Rotary pump with integral hand pump unitExpiredOct 16, 02Jan 04, 05[F04B]
2004/0247,469 Power-assisted steering pumpAbandonedMay 10, 04Dec 09, 04[F04B]
6810786 CompressorExpiredMay 23, 03Nov 02, 04[F04B]

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Top Inventors for This Owner

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