DANFOSS FLUID POWER A/S

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B62D MOTOR VEHICLES; TRAILERS 388
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 243
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 1239
 
  
 
E02F DREDGING; SOIL-SHIFTING 144
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5701907 Electrocardiographic waveform monitoring method and systemDec 16, 96Dec 30, 97[A61B]
5323687 Hydraulic circuitOct 23, 92Jun 28, 94[F15B]
5275251 Full hydraulic steering system compensating for steering angle errorDec 11, 91Jan 04, 94[B62D]
5263321 Control arrangement for a fully-hydraulic steering systemDec 13, 91Nov 23, 93[B62D]
5257177 Apparatus for controlling the movement of hydraulically movable work equipment and a path control arrangementSep 23, 91Oct 26, 93[G06F, E02F]
5165320 Fluid-controlled servo-arrangementNov 12, 91Nov 24, 92[F15B]
5165447 Fully-hydraulic steering unitMar 02, 92Nov 24, 92[B62D]
5085400 ValveMay 28, 91Feb 04, 92[F16K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6182786 Hydraulic steering deviceExpiredSep 14, 98Feb 06, 01[B62D]
5772419 Hydraulic machine comprising a gearwheel and annual gear having trochoid tooth sectionsExpiredDec 05, 95Jun 30, 98[F01C]
5765594 Hydraulic control valveExpiredApr 02, 96Jun 16, 98[F15B]
5628626 Hydraulic MachineExpiredOct 03, 95May 13, 97[F04C]
5595479 Hydraulic machine having teeth formed by rollersExpiredNov 27, 95Jan 21, 97[F04C, F03C]
5337778 Pressure control valveExpiredMar 30, 93Aug 16, 94[F16K, F15B]
5097920 Hydraulic steering unitExpiredAug 30, 90Mar 24, 92[B62D, F15B]
5022837 Seal arrangement for a gear machineExpiredNov 13, 89Jun 11, 91[F04C]
5000001 Dual load-sensing passage adjustable relief valves for hydraulic motor controlExpiredJan 09, 89Mar 19, 91[F15B, F03C, F16H]
4981159 Hydraulic control valve with pressure sensing meansExpiredNov 27, 89Jan 01, 91[F15B]
4972761 Hydraulic safety brake valve arrangement for load loweringExpiredDec 16, 88Nov 27, 90[F15B]
4964433 Rotary valveExpiredFeb 14, 90Oct 23, 90[F16K, F15B]
4955194 Damping arrangement for damping the oscillations of valve controlled by pressure fluidExpiredOct 10, 89Sep 11, 90[F16D, G05D]
4955444 Hydrostatic steering deviceExpiredApr 10, 89Sep 11, 90[B62D]
4870892 Control means for a hydraulic servomotorExpiredFeb 13, 89Oct 03, 89[F15B]
4858515 Priority valve for hydraulic installationsExpiredNov 18, 85Aug 22, 89[G05D]
4827800 Multi-groove and spline connection between gear shaft of a rotary piston machine with internal axis and method of making such a multigroove spline connectionExpiredJul 11, 88May 09, 89[F16H]
4828272 Sealing apparatus with elastic seal ring and plastic slide ringExpiredFeb 29, 88May 09, 89[F16J]
4791950 Pressure limiting valveExpiredDec 14, 87Dec 20, 88[G05D]
4730544 Control device for hydrostatic steering means or the likeExpiredSep 11, 87Mar 15, 88[F15B]

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