PARKER HANNIFIN AB

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 540
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 423
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 359
 
  
 
A01G HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS, OR SEAWEED; FORESTRY; WATERING 131
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124
 
  
 
E02F DREDGING; SOIL-SHIFTING 144
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
G05G CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY 131

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9809957 Energy recovery method and systemMay 23, 11Nov 07, 17[F15B, E02F]
8950314 Yoke position sensor for a hydraulic deviceSep 17, 09Feb 10, 15[F04B, F01B]
8833391 Valve arrangementAug 21, 07Sep 16, 14[F16K, F15B]
7784391 Arrangement for controlling a hydraulically driven motorMar 19, 04Aug 31, 10[F15B]
7487706 Device for controlling a hydraulically driven motorMar 19, 04Feb 10, 09[F15B]
7451790 Device for controlling hydraulic power unitsMar 19, 04Nov 18, 08[A01G]
7325477 Device for reducing energy losses in a machinery unitOct 30, 03Feb 05, 08[F01B]
7320263 Controller and method for controlling a control objectOct 03, 03Jan 22, 08[G05G]
D495847 Control leverApr 17, 03Sep 07, 04[1205]
6639026 Methods and compositions for inhibiting polymerization of vinyl monomersMay 22, 01Oct 28, 03[C08F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0111,890 HYDRAULIC START/STOP SYSTEMAbandonedApr 19, 10May 09, 13[F15B]
2011/0146,815 FLUID VALVE ARRANGEMENTAbandonedOct 08, 10Jun 23, 11[F16K]
2011/0017,310 FLUID VALVE ARRANGEMENTAbandonedJul 02, 07Jan 27, 11[F16K, F15D]
7437988 Piston-cylinder device with position sensing meansExpiredApr 07, 04Oct 21, 08[F01B]
6776081 Pneumatic actuator systemExpiredFeb 11, 03Aug 17, 04[F15B]
6691605 Piston-cylinder device with at least one position indicating sensorExpiredJul 03, 02Feb 17, 04[F01B]
6612221 Piston-cylinder device with piston rod locking meansExpiredJan 30, 02Sep 02, 03[F15B]
6454269 Mechanical device with sealing means and method for mounting the sealing meansExpiredMay 21, 01Sep 24, 02[F16J]
5883800 Arrangement for components included in mobile hydraulic equipmentExpiredOct 03, 96Mar 16, 99[G06F]
5501136 Control system for a hydraulic motorExpiredJun 24, 94Mar 26, 96[F15B]
5469703 Device for controlling a hydraulic motorExpiredJun 10, 94Nov 28, 95[F16D]
5463931 Controller for a hydraulic motorExpiredJul 05, 94Nov 07, 95[F15B]
5095806 Device in a hydraulic power system connected to a load driving hydraulic motorExpiredOct 16, 90Mar 17, 92[F15B]
5029880 Pressure sealing device for the gap between two coaxial cylindrical surfacesExpiredNov 28, 89Jul 09, 91[F16J]
5005467 Pilot-operated flow controlling directional control valve with copying spoolExpiredMay 17, 88Apr 09, 91[F15B]
4845947 Hydraulic drive systemExpiredMar 30, 88Jul 11, 89[F16D]
4477090 Piston ring assembly for hydraulic mechanisms, particularly such mechanisms for very high operating pressuresExpiredJun 06, 83Oct 16, 84[F16J]
4455028 Sealing device with radially slitted metal washers for hydraulic piston mechanismsExpiredJun 06, 83Jun 19, 84[F16J]

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