WHITE DRIVE PRODUCTS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 1515
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 1411
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 957
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 982
 
  
 
B60T VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL 667
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 542
 
  
 
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
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS248
 
  
 
B23F MAKING GEARS OR TOOTHED RACKS 115
 
  
 
E02F DREDGING; SOIL-SHIFTING 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
9163508 Gerotor motor balancing plate structureAug 21, 13Oct 20, 15[F04C, F03C, F01C]
9163509 Gerotor device roller pocket geometryOct 07, 13Oct 20, 15[B24B, F16N, F04C, F03C, F01C]
9103211 Stator of a gerotor device and a method for manufacturing roller pockets in a stator of a gerotor deviceJan 10, 13Aug 11, 15[B24B, F04C, F03C, F01C]
9017141 Deburring machine and method for deburringJan 04, 13Apr 28, 15[B24B]
8986071 Parts carrier assembly for grinding machineDec 06, 11Mar 24, 15[B24B]
8696325 Return to neutral mechanism for hydraulic pumpMar 18, 10Apr 15, 14[F04B, F01B]
8678795 Stator of a gerotor device and a method for manufacturing roller pockets in a stator of a gerotor deviceJul 29, 11Mar 25, 14[F04C, F03C]
8657650 Grinding wheel dressing systemJun 04, 13Feb 25, 14[B24B]
8647087 Cooling system for gerotor motorJul 30, 12Feb 11, 14[F04C, F03C]
8480458 Grinding wheel dressing systemSep 13, 11Jul 09, 13[B24B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0173,515 DISK SPRING HYDRAULIC RELEASE BRAKEAbandonedJan 09, 08Jul 24, 08[F16D]
2008/0038,135 CORROSION RESISTANT HYDRAULIC MOTORAbandonedAug 10, 06Feb 14, 08[F03C, F01C]
2007/0139,037 Device for Testing Magnetic Speed and Proximity Sensors Used with Rotating MachineryAbandonedFeb 23, 07Jun 21, 07[G01R]
2007/0140,887 Method for Imparting Residual Compressive Stress in Metal PartsAbandonedNov 03, 06Jun 21, 07[F01C]
2006/0230,824 SPEED SENSOR FLANGE ASSEMBLIESAbandonedJun 23, 06Oct 19, 06[G01M]
7101264 Dressing wheel systemExpiredDec 18, 00Sep 05, 06[B24B]
2005/0266,782 Method and apparatus for grinding rotors for hydraulic motors and apparatus thereforAbandonedAug 02, 05Dec 01, 05[B24B]
2005/0142,018 Increased capacity valving plates for a hydraulic motorAbandonedFeb 22, 05Jun 30, 05[F16N, F04C, F01C]
2004/0060,779 Distance compensating shim for clutch/brake and method of determining sameAbandonedOct 01, 02Apr 01, 04[F16D]
2003/0150,674 Disk spring hydraulic clutch/brakeAbandonedFeb 13, 02Aug 14, 03[F16D]
5137252 Angular pivoting power steering deviceExpiredMay 20, 91Aug 11, 92[B62D]
5135369 Device with orbiting valve having a seal pistonExpiredSep 10, 90Aug 04, 92[F16K, F01C]
5080567 Gerator hydraulic device having seal with steel and resilient membersExpiredNov 30, 89Jan 14, 92[F04C, F03C, F16J]
5018432 Hydrostatic steering device with a radially free floating valve memberExpiredJun 15, 89May 28, 91[B62D, F15B]
5017101 Selectively operated gerotor deviceExpiredJan 09, 90May 21, 91[F04B]
4981422 Gerotor device having a valve opening diameter smaller than the drive connection diameterExpiredAug 08, 88Jan 01, 91[F03C, F01C]
4936402 Hydrostatic steering device including a gerotor setExpiredDec 05, 88Jun 26, 90[B62D, F15B, F04C]
4877383 Device having a sealed control opening and an orbiting valveExpiredDec 12, 88Oct 31, 89[F01C, F17K]
4872819 Rotary gerotor hydraulic device with fluid control passageways through the rotorExpiredMar 02, 87Oct 10, 89[F04C, F03C]
4859160 Cutaway rotor gerotor deviceExpiredSep 18, 87Aug 22, 89[F01C]

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