LIEBHERR-HYDRAULIKBAGGER GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E02F DREDGING; SOIL-SHIFTING 1531
 
  
 
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
 
  
 
B62D MOTOR VEHICLES; TRAILERS 487
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 487
 
  
 
B66C CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES 328
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION356
 
  
 
B60T VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL 271
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 225
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL268
 
  
 
A01B SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL 133

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0116,039 APPARATUS FOR CONTROLLING/REGULATING THE TRAVEL SPEED OF A UTILITY VEHICLE AND METHOD FOR SAMEOct 22, 13May 01, 14[B60W]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9897115 Hydraulic systemNov 29, 12Feb 20, 18[F15B]
9644344 Temperature control of energy recovery cylinderNov 17, 11May 09, 17[F01B, F16F, E02F]
9593465 Heat exchanger for energy recovery cylinderNov 16, 11Mar 14, 17[F01B, F16F, E02F]
9463783 Braking apparatus for work machines and method of actuating said braking apparatusOct 15, 13Oct 11, 16[B60T]
9447874 Hydraulic driveJun 16, 09Sep 20, 16[F15B, F16H, E02F]
9279230 Implement with a boomNov 09, 12Mar 08, 16[F16C, E02F]
9163385 Working deviceNov 17, 11Oct 20, 15[F16F, E02F]
9127736 Working deviceNov 17, 11Sep 08, 15[F16D, F16F, E02F]
8938956 Method of operating an energy recovery cylinderNov 17, 11Jan 27, 15[F15B, F16D, F16F, E02F]
8657057 Construction machine or transfer apparatusApr 15, 11Feb 25, 14[B60K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0305,117 POWER CYLINDER AND CONSTRUCTION MACHINE OR LIFTING GEARAbandonedApr 10, 14Oct 16, 14[F15B, E02F]
2014/0241,841 Construction MachineAbandonedFeb 27, 14Aug 28, 14[B66C, E02F]
2013/0174,540 WORK MACHINEAbandonedJul 10, 12Jul 11, 13[F15B]
8402879 Tool for screwing a piston onto the piston rod of a hydraulic cylinder and hydraulic cylinderExpiredJun 24, 09Mar 26, 13[B25B, F16J]
2013/0026,789 Revolving Deck Element for a Construction MachineAbandonedJul 10, 12Jan 31, 13[E02F]
2012/0291,623 WORKING APPARATUS, IN PARTICULAR EXCAVATOR OR MACHINE FOR MATERIAL HANDLINGAbandonedMay 16, 12Nov 22, 12[F01B]
2011/0204,698 DUMPER WITH HEATABLE BODYAbandonedFeb 23, 11Aug 25, 11[B60H, F28D, B60P]
7992943 Dump bodyExpiredJan 21, 09Aug 09, 11[B60P]
2011/0002,765 Excavator boomAbandonedJun 21, 10Jan 06, 11[E02F]
2010/0258,364 ExcavatorAbandonedApr 13, 10Oct 14, 10[B60K, B62D]
2009/0250,971 Material handling machineAbandonedFeb 21, 08Oct 08, 09[E02F]
2009/0167,008 Travel unit for mobile machinesAbandonedDec 09, 08Jul 02, 09[B60S]
2009/0071,139 Excavator and a machine for material transferAbandonedSep 02, 08Mar 19, 09[F15B]
2007/0089,328 Hydraulic excavator with integrated magnetic cross-beamAbandonedOct 19, 06Apr 26, 07[E02F]
2006/0202,509 Dump bodyAbandonedMar 06, 06Sep 14, 06[B62D]
2006/0182,594 Transfer apparatusAbandonedJul 28, 05Aug 17, 06[B66C]
2006/0137,834 Operating unitAbandonedJun 04, 03Jun 29, 06[E06B]
2006/0021,263 Mobile excavatorAbandonedJul 19, 05Feb 02, 06[E02F]
2005/0141,954 Bearing bolt jointAbandonedOct 08, 04Jun 30, 05[F16B]
2005/0097,789 Digging or gripping equipmentAbandonedOct 29, 04May 12, 05[E02F]

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