Patent International Class: F15B 11/0
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Traveling device for crawler type heavy equipment
Inventor: Lee | Patent Number: 8146355
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Hydraulic control apparatus
Inventor: Matsuzaki, et al. | Patent Number: 8042451
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Valve control unit
Inventor: Nishikawa, et al. | Patent Number: 7926411
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Work machine, control system and method for controlling an engine in a work machine
Inventor: Kelly, et al. | Patent Number: 7891182
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Hydraulic system with compensation for kinematic position changes of machine members
Inventor: Pfaff | Patent Number: 7874152
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Valve block, tool attachment, a working machine and the use of a valve block
Inventor: Sonerud | Patent Number: 7861642
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Hydraulic drive system
Inventor: Kadlicko | Patent Number: 7856817
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Process for electro-hydraulic circuits and systems involving excavator boom-swing power management
Inventor: Peterson, et al. | Patent Number: 7832208
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Load control device for engine of work vehicle
Inventor: Iwamoto | Patent Number: 7810323
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Hydraulic drive device for dump truck
Inventor: Yasuda, et al. | Patent Number: 7797935
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Three position servo system to control the displacement of a hydraulic motor
Inventor: Peterson | Patent Number: 7644646
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Hydraulic drive device for work machine
Inventor: Naruse | Patent Number: 7631495
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Hydraulic actuator for a servomotor with an end lock function
Inventor: Nielsen, et al. | Patent Number: 7624671
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Force feedback poppet valve having an integrated pressure compensator
Inventor: Ma, et al. | Patent Number: 7621211
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Straight traveling hydraulic circuit
Inventor: Kim | Patent Number: 7614225
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Pressure-compensating directional control valve
Inventor: Bulgarelli, et al. | Patent Number: 7581487
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Synchronized speed shifting of multiple motors
Inventor: St. Aubin, et al. | Patent Number: 7571605
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Hydraulic cylinder system
Inventor: Langenfeld, et al. | Patent Number: 7559270
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Hydraulic vehicle stabilizer system with two-stage bi-rotational hydraulic pump system
Inventor: Kubinski | Patent Number: 7546730
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Hydraulic drive device for work machine
Inventor: Naruse | Patent Number: 7533527
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Method for automatically cycling a torque wrench
Inventor: Rosa, et al. | Patent Number: 7520128
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Hydraulic drive system
Inventor: Kadlicko | Patent Number: 7516613
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Shock valve for hydraulic device
Inventor: Daigre | Patent Number: 7513111
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Method of converting piston driven engines to operate on electricity
Inventor: Parker | Patent Number: 7501725
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Hydraulic driving system of construction machinery
Inventor: Udagawa, et al. | Patent Number: 7500360
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Hydrostatic drive system
Inventor: Dolger, et al. | Patent Number: 7467515
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System and method for controlling shakability of a work tool
Inventor: Patel | Patent Number: 7467514
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Device for controlling hydraulic power units
Inventor: Vallebrant, et al. | Patent Number: 7451790
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Industrial truck having a lifting mast and tilting cylinders having an integrated hydraulic distributor
Inventor: Aulbach, et al. | Patent Number: 7441494
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Hydraulic arrangement
Inventor: Bitter | Patent Number: 7430955
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Loading implement and process for loading implement
Inventor: Bitter | Patent Number: 7430953
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Method and device for pressure amplification in cylinders, in particular hydraulic rams
Inventor: Voss | Patent Number: 7424803
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Hydraulic system with a cylinder isolation valve
Inventor: Stephenson | Patent Number: 7409825
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Actuator using fluid cylinder, method of controlling the actuator, and choke valve devices
Inventor: Kawabuchi, et al. | Patent Number: 7392734
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Hydraulic circuit
Inventor: Ioku | Patent Number: 7350353
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Hydraulic control apparatus
Inventor: Kobayashi, et al. | Patent Number: 7305821
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Charge/auxiliary circuit for reducing power losses in hydrostatic systems
Inventor: Betz, et al. | Patent Number: 7299629
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Hydraulic controller and hydraulic drive unit provided with said hydraulic controller
Inventor: Sakai, et al. | Patent Number: 7281372
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Hydraulic control apparatus for a shifting fork in a manual transmission
Inventor: Mohlmann | Patent Number: 7275473
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Hydraulic circuit and its valve gear
Inventor: Ioku | Patent Number: 7263924
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Hydraulic system with multiple pressure relief levels
Inventor: Dornbach | Patent Number: 7222484
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Apparatus and method for hydraulically controlling a vehicle restraint
Inventor: Alexander, et al. | Patent Number: 7165486
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Hydraulic cylinder device
Inventor: Dohgami, et al. | Patent Number: 7137331
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Control device for working machine
Inventor: Imanishi, et al. | Patent Number: 6981371
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Method and apparatus for synchronizing a vehicle lift
Inventor: Green, et al. | Patent Number: 6964322
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Multi-stroke cylinder
Inventor: Sandlin | Patent Number: 6962103
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Hybrid machine with hydraulic drive device
Inventor: Hiraki, et al. | Patent Number: 6962050
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Hybrid machine with hydraulic drive device
Inventor: Hiraki, et al. | Patent Number: 6962050
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Valve assembly for attenuating bounce of hydraulically driven members of a machine
Inventor: Jervis, et al. | Patent Number: 6959726
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Method and system for the controlled application of fluid pressure to a load, especially for pressure testing pipe
Inventor: Kolbe, et al. | Patent Number: 6957567
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Hydraulic circuit having pressure equalization during regeneration
Inventor: A'Hearn, et al. | Patent Number: 6955115
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Choke valve of clutch release cylinder
Inventor: Lee | Patent Number: 6952922
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Hydraulic control arrangement for a mobile operating machine
Inventor: Berthod, et al. | Patent Number: 6951103
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Velocity based method for controlling a hydraulic system
Inventor: Tabor | Patent Number: 6951102
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System and method for controlling an automatic transmission
Inventor: Kim | Patent Number: 6947821
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Ram moving method for hydraulic machine, ram movement controller, method for preventing trapping of axial plunger pump used for the machine, and the pump
Inventor: Kanno, et al. | Patent Number: 6945040
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Power system and work machine using same
Inventor: Yoshino | Patent Number: 6945039
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Double action oil hydraulic press
Inventor: Yamanaka, et al. | Patent Number: 6941783
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Hydraulic actuator control
Inventor: Price | Patent Number: 6938535
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Hydraulic powered arm system with float control
Inventor: Bruun | Patent Number: 6938414
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Pneumatically-powered mine door installation with hydraulic checking system
Inventor: Kennedy, et al. | Patent Number: 6938372
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Dampening apparatus
Inventor: Wright | Patent Number: 6938365
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Monoprolellant/hypergolic powered proportional actuator
Inventor: Goldfarb, et al. | Patent Number: 6935109
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Hydraulic fluid control device for a hydraulic power-assisted steering system
Inventor: Urbach | Patent Number: 6931981
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Actuator control system for hydraulic devices
Inventor: Jones, et al. | Patent Number: 6925807
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Speed control apparatus for hydraulic actuator
Inventor: Ju | Patent Number: 6925799
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Regulated pressure supply for a variable-displacement reversible hydraulic motor
Inventor: Polcuch | Patent Number: 6922991
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Plural pressure oil energies selective recovery apparatus and selective recovery method therefor
Inventor: Nagura, et al. | Patent Number: 6922989
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Change-over valve for boom cylinder of excavating/slewing work truck
Inventor: Kondou | Patent Number: 6922923
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Hitch device for attaching farm implements to a tractor
Inventor: Casali, et al. | Patent Number: 6920940
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Independent metering valve assembly for multiple hydraulic load functions
Inventor: Reiners, et al. | Patent Number: 6918248
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Spool-type hydraulic directional control valve having reduced cavitation
Inventor: Cherney | Patent Number: 6915730
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Hydraulic circuit of excavating and slewing working vehicle
Inventor: Kondou | Patent Number: 6915600
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Cylinder driving system and energy regenerating method thereof
Inventor: Inoue, et al. | Patent Number: 6912849
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Load sensing hydraulic system
Inventor: Cazier, et al. | Patent Number: 6907728
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Oleopneumatic actuator cylinder device for the alignment in rectilinear drive of steering or self-steering axles of vehicles
Inventor: Biondi | Patent Number: 6904839
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Power conserving hydraulic pump bypass compensator circuit
Inventor: Jervis | Patent Number: 6901754
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Fluid flow control valve assembly with independent feedback pressure
Inventor: Pili, et al. | Patent Number: 6899012
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Hydraulic driving unit
Inventor: Kajita | Patent Number: 6898932
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Apparatus and method for providing reduced hydraulic flow to a plurality of actuatable devices in a pressure compensated hydraulic system
Inventor: Pieper | Patent Number: 6895852
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Double-acting pressure intensifying cylinder and method for intensifying pressure in the cylinder
Inventor: Tohru | Patent Number: 6895749
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Hydraulic circuit for boom cylinder combination having float function
Inventor: Kim | Patent Number: 6892535
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Bi-rotational, two-stage hydraulic system
Inventor: Kubinski, et al. | Patent Number: 6886332
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Hydraulic actuator apparatus for a surgical table
Inventor: Blyshak, et al. | Patent Number: 6886200
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Method of selecting a hydraulic metering mode for a function of a velocity based control system
Inventor: Pfaff, et al. | Patent Number: 6880332
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Fluid pressure circuit
Inventor: Shimada | Patent Number: 6877417
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Positioning, exploration, and/or intervention device, in particular in the field of endoscopy and/or mini-invasive surgery
Inventor: Francois, et al. | Patent Number: 6875170
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Control system
Inventor: Agner | Patent Number: 6875139
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Hydraulic control apparatus for controlling hydraulic cylinder for implement
Inventor: Korogi | Patent Number: 6871575
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Hydraulic type brake apparatus
Inventor: Kim | Patent Number: 6871494
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Hydraulic circuit for a crane
Inventor: Ehara, et al. | Patent Number: 6868671
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Hydraulic control system
Inventor: Jensen, et al. | Patent Number: 6865886
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System for opening and closing a folding top or displaceable vehicle roof on a convertible vehicle
Inventor: Dangl, et al. | Patent Number: 6863334
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Piston actuator incorporating partitioned pressure chambers
Inventor: Medina | Patent Number: 6863260
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Hydraulic control device for automatic transmission
Inventor: Saitou, et al. | Patent Number: 6860830
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Manual control mechanism for lift unit
Inventor: Takekata, et al. | Patent Number: 6854483
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Hydraulic valve system
Inventor: Zenker, et al. | Patent Number: 6854270
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Hydraulic control system with energy recovery
Inventor: Fales, et al. | Patent Number: 6854268
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Variable rate meter drive system
Inventor: Mayerle, et al. | Patent Number: 6851377
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Pressing method, pressing mechanism and resin molding device
Inventor: Harada, et al. | Patent Number: 6851355