BRUENINGHAUS HYDROMATIK GMBH

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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 1646
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 982
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 720
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 367
 
  
 
F16H GEARING397
 
  
 
B60K ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS; AUXILIARY DRIVES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST, OR FUEL SUPPLY, OF PROPULSION UNITS, IN VEHICLES 291
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
B01D SEPARATION 1133
 
  
 
B62D MOTOR VEHICLES; TRAILERS 190
 
  
 
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
8608454 Combined pump housing for several rated quantitiesMar 09, 07Dec 17, 13[F04B, F01B]
8082125 Apparatus and method for the condition-dependent maintenance of hydrostatic displacement unitsDec 12, 06Dec 20, 11[G06F]
8043006 Axial piston machine with an elongated guide element for a cage segmentAug 02, 06Oct 25, 11[F04B, F16C]
8033107 Hydrostatic drive having volumetric flow equalisationJun 01, 07Oct 11, 11[F16D]
7983825 Method and transmission arrangement for changing gearsOct 27, 06Jul 19, 11[F16H]
7975599 Regulating device for a hydrostatic piston engine with electronic control unitAug 08, 06Jul 12, 11[F01B]
7975600 Axial piston machine, recoil plate and method of manufacturing a recoil plateNov 10, 03Jul 12, 11[F01B]
7886533 Hydrostatic travel drive with differential locking actionDec 14, 05Feb 15, 11[F16D]
7860683 Device and method for state monitoring in hydrostatic displacement unitsDec 12, 06Dec 28, 10[G06F]
7661266 Method for braking a vehicle driven by means of a hydrostatic gearbox and also a hydrostatic driveDec 13, 05Feb 16, 10[F16H]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8402759 Drive having an energy storage device and method for storing kinetic energyExpiredMay 30, 07Mar 26, 13[F16D]
8387514 Hydrostatic piston machine with output volume flow in the circumferential directionExpiredDec 11, 06Mar 05, 13[F04B, F01B]
8302621 Pressure limiting valve with reduced differential areaExpiredDec 19, 05Nov 06, 12[F16K]
8220255 Drive having an energy recovery function having a brake pressure control valveExpiredJun 20, 07Jul 17, 12[B60T]
8167580 Axial piston machine with hydrostatic support of the holding-down deviceExpiredMay 18, 07May 01, 12[F04B]
7900446 Hydrostatic drive with rotational speed limitationExpiredDec 14, 05Mar 08, 11[F16D]
7784278 Hydraulic driveExpiredDec 13, 05Aug 31, 10[F16B]
7726438 Hydraulic systemExpiredJun 01, 04Jun 01, 10[B62D]
7694776 Hydraulic steering system with protection against uncontrolled steering movementsExpiredJun 28, 05Apr 13, 10[B62D]
7661937 Axial piston machine and a control plate for an axial piston engineExpiredNov 03, 03Feb 16, 10[F04B]
7650829 Tubular piston for a piston engine and method of manufacturing the sameExpiredAug 30, 04Jan 26, 10[F01B]
2010/0000,401 AXIAL-PISTON MACHINE HAVING AN ANTIWEAR LAYERAbandonedJun 08, 05Jan 07, 10[F01B]
7624748 ValveExpiredFeb 25, 05Dec 01, 09[F16K]
7607298 Hydrostatic driveExpiredNov 03, 05Oct 27, 09[F16D]
7607297 Total power controllerExpiredNov 11, 04Oct 27, 09[F16D]
7607384 Piston for an axial-piston engine of the inclined-axis type and process for manufacturing such pistonsExpiredDec 14, 05Oct 27, 09[B23P, F01B]
2009/0259,374 METHOD OF CONTROLLING A TRANSMISSION RATIOAbandonedJun 20, 07Oct 15, 09[G06F]
7585158 Piston engine comprising a pulsation-reducing deviceExpiredJul 09, 03Sep 08, 09[F04B]
2009/0133,761 Control valve unit with alternating stopAbandonedAug 04, 06May 28, 09[F16K]
7526919 Drive system having a common control-pressure connectionExpiredMar 04, 05May 05, 09[B60K, F16H]

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