HYDAC TECHNOLOGY GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL3634
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 2919
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING568
 
  
 
F17C VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES 522
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION356
 
  
 
B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD 221
 
  
 
E02F DREDGING; SOIL-SHIFTING 243
 
  
 
E21B EARTH OR ROCK DRILLING 294
 
  
 
F16H GEARING298
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS248

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0038,391 METHOD FOR PRODUCING A FOAM BODYJan 15, 16Feb 08, 18[F15B]
2017/0191,618 METHOD FOR MANUFACTURING A PRESSURE VESSELJun 05, 15Jul 06, 17[F17C]
2017/0122,344 CONNECTING APPARATUSJun 02, 15May 04, 17[F15B]
2016/0333,896 ACCUMULATOR DEVICEDec 19, 14Nov 17, 16[F15B]
2016/0186,785 HYDRAULIC ENERGY RECOVERY SYSTEMJul 31, 13Jun 30, 16[F15B]
2015/0308,602 DAMPING DEVICEFeb 19, 15Oct 29, 15[F16L]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9863444 Hydraulic energy recovery systemJul 31, 13Jan 09, 18[F15B]
9791015 Device for recovering energyNov 29, 10Oct 17, 17[F15B, B66F, F16F, E02F, B66C, F16J]
9670746 Device for adjusting a media pressure relative to an ambient pressureJun 26, 14Jun 06, 17[F16L, F15B, E21B]
9664206 Pressure accumulatorJan 13, 15May 30, 17[F15B]
9644644 Hydraulic accumulator in form of a bellows accumulatorOct 29, 12May 09, 17[F16L, F15B]
9534614 Safety device for pressure-medium-containing tanksMay 09, 08Jan 03, 17[F16K, F15B, F23D]
9488198 Device for transferring a hydraulic working pressure in a pressure fluid for actuating hydraulic units of deep-sea systemsJan 17, 12Nov 08, 16[F15B, E21B]
9488617 Sensor device for detecting flowable media, a pressure device and a measuring methodApr 26, 12Nov 08, 16[G01M, G01N, F15B, G01F]
9422945 Pressure accumulatorOct 18, 12Aug 23, 16[F16L, F17C, F15B]
9423076 Pressure vesselMay 12, 12Aug 23, 16[F17C, F15B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0205,731 Hydraulic accumulatorAbandonedApr 08, 06Aug 20, 09[F16L]
2007/0181,199 Hydraulic accumulatorAbandonedMar 09, 05Aug 09, 07[F16L]
7234490 Hydraulic accumulator comprising a position indicatorExpiredJan 22, 04Jun 26, 07[F16L]
2006/0277,904 Hydraulic accumulator especially piston-type accumulatorAbandonedMar 20, 04Dec 14, 06[F16D]
2005/0247,360 Hydraulic reservoir in particular a membrane reservoirAbandonedDec 23, 04Nov 10, 05[F16L]
2005/0129,549 Hydro damperAbandonedOct 18, 04Jun 16, 05[F04B]
2004/0178,032 Hydropneumatic suspensionAbandonedNov 07, 03Sep 16, 04[F16F]
6789577 Hydropneumatic pressure accumulatorExpiredMar 13, 02Sep 14, 04[F16L]
6681813 Device for removing fluid from a containerExpiredAug 01, 02Jan 27, 04[B65B]
6619728 Suspension system, especially cab suspension systemExpiredFeb 25, 02Sep 16, 03[B60R]
6549110 Compensating device suitable for use in railway car transformersExpiredMar 29, 01Apr 15, 03[H01F]
2002/0109,400 Spring suspension system, in particular for a machineAbandonedAug 01, 01Aug 15, 02[B60T]
2002/0056,275 Hydraulic accumulatorAbandonedAug 24, 01May 16, 02[F16D]
6332477 Piston-type accumulator for a hydraulic fluid to be supplied to a consumer in a hydraulic installationExpiredJul 27, 00Dec 25, 01[F16L]
5865028 Energy recovery deviceExpiredApr 21, 97Feb 02, 99[F16D]
5782612 Hydraulic gas compressorExpiredNov 27, 95Jul 21, 98[F04B]
5596772 Toilet flushing system with multi-diaphragm storage container having three fluid receiving chambersExpiredDec 19, 94Jan 28, 97[E03D]
5520053 Ultrasound testing device for gas pressure accumulatorsExpiredJan 27, 95May 28, 96[G01L]
5477677 Energy recovery deviceExpiredAug 26, 94Dec 26, 95[F16D]
5258913 Method and apparatus for leveling a bodyExpiredOct 15, 91Nov 02, 93[B60S]

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