STACKPOLE INTERNATIONAL ENGINEERED PRODUCTS, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 1037
 
  
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 429
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 227
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 123

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0066,655 DUAL INPUT PUMP AND SYSTEMAug 30, 17Mar 08, 18[F04C]
2018/0023,565 PUMP ASSEMBLY HAVING INTEGRATED CONTROLLER AND MOTOR WITH INTERNAL ACTIVE COOLINGJul 19, 17Jan 25, 18[F04C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9771935 Variable displacement vane pump with thermo-compensationSep 04, 14Sep 26, 17[F01M, F04C, F01C]
9534519 Variable displacement vane pump with integrated fail safe functionDec 31, 14Jan 03, 17[F01M, F04C, F01C]
9109597 Variable displacement pump with multiple pressure chambers where a circumferential extent of a first portion of a first chamber is greater than a second portionJan 15, 13Aug 18, 15[F04C]
7955063 Vane pumpMay 19, 08Jun 07, 11[F04C, F03C]
5722815 Three stage self regulating gerotor pumpAug 14, 95Mar 03, 98[F04C]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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