LIEBHERR-HYDRAULIKBAGGER GMBH

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Technologies

Intl Class Technology # of Patents Rank
 
 
 
E02F DREDGING; SOIL-SHIFTING 625
 
 
 
B62D MOTOR VEHICLES; TRAILERS 464
 
 
 
B66C CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES 315
 
 
 
B60P VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS 224
 
 
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 271
 
 
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS237
 
 
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL251
 
 
 
A01B SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL 123
 
 
 
A01G HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS, OR SEAWEED; FORESTRY; WATERING 116
 
 
 
B25J MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES 132

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2013/0174,540 WORK MACHINEJul 10, 12Jul 11, 13[F15B]
2013/0139,909 HYDRAULIC SYSTEMNov 29, 12Jun 06, 13[F15B]
2013/0142,606 IMPLEMENT WITH A BOOMNov 09, 12Jun 06, 13[E02F]
2013/0026,789 Revolving Deck Element for a Construction MachineJul 10, 12Jan 31, 13[E02F]
2012/0297,762 IMPLEMENTNov 17, 11Nov 29, 12[F01B]
2012/0301,256 Working DeviceNov 17, 11Nov 29, 12[F01B, E02F]
2012/0291,429 IMPLEMENTNov 16, 11Nov 22, 12[F01B]
2012/0291,430 ImplementNov 17, 11Nov 22, 12[F02G]
2012/0291,623 WORKING APPARATUS, IN PARTICULAR EXCAVATOR OR MACHINE FOR MATERIAL HANDLINGMay 16, 12Nov 22, 12[F01B]
2012/0291,624 WORKING DEVICENov 17, 11Nov 22, 12[F15B]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,657,057 Construction machine or transfer apparatusApr 15, 11Feb 25, 14[B60K]
8,578,638 Work machine, in particular excavatorDec 21, 10Nov 12, 13[B66C, E02F]
8,418,451 Piece of working equipmentJul 24, 09Apr 16, 13[F16D]
8,402,879 Tool for screwing a piston onto the piston rod of a hydraulic cylinder and hydraulic cylinderJun 24, 09Mar 26, 13[B25B, F16J]
8,191,461 Hydraulic cylinder pistonMar 10, 06Jun 05, 12[F16J, F15B]
8,177,017 Traveling working machineOct 15, 09May 15, 12[E02F, B62D]
8,128,155 Construction machineMay 07, 08Mar 06, 12[B62D]
8,061,764 Working machine and emergency lowering systemApr 10, 09Nov 22, 11[B66C, E02F, B62D]
7,992,943 Dump bodyJan 21, 09Aug 09, 11[B60P]
7,703,812 Quick couplingMar 30, 07Apr 27, 10[F16L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
2009/0250,971 Material handling machineFeb 21, 08Oct 08, 09[E02F]
2009/0167,008 Travel unit for mobile machinesDec 09, 08Jul 02, 09[B60S]
2009/0071,139 Excavator and a machine for material transferSep 02, 08Mar 19, 09[F15B]
2007/0089,328 Hydraulic excavator with integrated magnetic cross-beamOct 19, 06Apr 26, 07[E02F]
2006/0202,509 Dump bodyMar 06, 06Sep 14, 06[B62D]
2006/0182,594 Transfer apparatusJul 28, 05Aug 17, 06[B66C]
2006/0137,834 Operating unitJun 04, 03Jun 29, 06[E06B]
2006/0021,263 Mobile excavatorJul 19, 05Feb 02, 06[E02F]
2005/0141,954 Bearing bolt jointOct 08, 04Jun 30, 05[F16B]
2005/0097,789 Digging or gripping equipmentOct 29, 04May 12, 05[E02F]
4,643,146 Apparatus for controlling the rotary speed of a diesel engine for a hydraulic excavator or the likeDec 15, 83Feb 17, 87[F02M]
4,270,286 Tool suspension with supply means for hydraulic mediumDec 12, 79Jun 02, 81[E03B]

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