HYDAC DRIVE CENTER 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 656
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 384
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 398
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 324
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 321
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 367
 
  
 
F01P COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES 139
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS173
 
  
 
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
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS149

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0153,431 HYDRAULIC PUMP AND PISTON FOR SUCH A HYDRAULIC PUMPMay 16, 14Jun 02, 16[F04B]
2016/0076,525 AXIAL PISTON PUMPMay 15, 14Mar 17, 16[F04B]
2015/0308,468 VALVE FOR THE TEMPERATURE-DEPENDENT CONTROL OF AT LEAST ONE HYDRAULIC LOADDec 21, 13Oct 29, 15[F15B, G05D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9920778 Valve for the temperature-dependent control of at least one hydraulic loadDec 21, 13Mar 20, 18[F15B, F04B, F01P, G05D, F04D]
9849482 Hydraulic pump and piston for such a hydraulic pumpMay 16, 14Dec 26, 17[C23C, B05D, F04B, F16C, F03C, F01B, F16J]
9782795 Method for coating a pump componentApr 30, 14Oct 10, 17[C23C, B05D, F04B, F16C, F03C, F01B]
9664184 Axial piston pump having a swash-plate type constructionMar 12, 14May 30, 17[C23C, B05D, F04B, F16C, F03C, F01B]

Expired/Abandoned/Withdrawn Patents

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