| Patents for F15B 21 - Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass (10,959) |
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| 05/22/2013 | CN103115037A Controllable aeration and venting method and device thereof |
| 05/22/2013 | CN103115028A Electro-hydraulic servo actuator |
| 05/22/2013 | CN103112804A Control device of lifting mechanism of industrial vehicle and control method |
| 05/22/2013 | CN103112672A Air-liquid supply control system and air-liquid supply control method of tank-truck flexible wave-resistant device |
| 05/22/2013 | CN103112445A 液压单元 Hydraulic unit |
| 05/22/2013 | CN101865165B Independent hydraulic oil source for vehicle |
| 05/22/2013 | CN101368581B Modular assembly |
| 05/21/2013 | US8447483 Method for operating a working machine and a working machine with an improved transmission line |
| 05/16/2013 | WO2013070762A1 Servo motor controlled hydraulic pump unit for tube end forming equipment |
| 05/16/2013 | WO2013070466A1 Torque output control for swing pump |
| 05/16/2013 | DE102011118651A1 Hydraulic drive system has monitoring unit that receives control signal and pressure signal from control unit and pressure sensor to produce error signal based on comparison signals for displaying error of switching valve |
| 05/16/2013 | DE102011118438A1 Cooling device for cooling of compressed air in modern motor vehicle, has two pipelines, where compressed air is guided by automatic change-over switch in summer operating position by former pipeline |
| 05/15/2013 | CN202938336U Skid-mounted oil production pump platform for steam-injection boiler of oil field |
| 05/15/2013 | CN202937552U Oil cylinder pressure limiting device of coal mining machine |
| 05/15/2013 | CN202937551U Combined oil return filtering device of machine tool hydraulic station |
| 05/15/2013 | CN202937529U Hydraulic oil tank of loader |
| 05/15/2013 | CN202935982U Hydraulic winding device pump station |
| 05/15/2013 | CN103109093A Work machine |
| 05/15/2013 | CN103104574A Structure modified hydraulic pressure station |
| 05/15/2013 | CN103100256A Filter arrangement and methods |
| 05/10/2013 | WO2013066803A1 Machine, control system and method for hovering an implement |
| 05/10/2013 | WO2013064564A1 A cooled hydraulic system |
| 05/10/2013 | WO2013003046A3 Hydraulic control system having swing motor energy recovery |
| 05/08/2013 | EP2589823A1 Control circuit for energy regeneration and working machine |
| 05/08/2013 | EP2588763A1 Device for removing moisture from a hydraulic medium |
| 05/08/2013 | DE102012217084A1 Hydraulikbehälter mit selbstumgehendem Filter Hydraulic tank with filter selbstumgehendem |
| 05/08/2013 | CN202926765U Hydraulic system for working device potential energy recovery |
| 05/08/2013 | CN202926764U Novel grate cooler hydraulic transmission system |
| 05/08/2013 | CN202926763U 液压油过滤机 Hydraulic oil filter |
| 05/08/2013 | CN202926762U Reverse turning bed structure of oil pump motor for hydraulic system |
| 05/08/2013 | CN202926761U Hydraulic pump station |
| 05/08/2013 | CN202926760U Emergency micro-power device for hydraulic system |
| 05/08/2013 | CN202926759U Oil make-up circuit for hydraulic system |
| 05/08/2013 | CN202926738U Non-supercharged hydraulic oil tank |
| 05/08/2013 | CN202926570U Hydraulic machine and automatic control device of circulating water system thereof |
| 05/08/2013 | CN202926516U Oil pressure control system of hydropower station oil supply device |
| 05/08/2013 | CN202921615U High-pressure pulse turbulent pipeline flushing system |
| 05/08/2013 | CN103097746A Hydraulic energy regeneration device |
| 05/08/2013 | CN103097743A Flow rate control device for variable displacement type hydraulic pump for construction equipment |
| 05/08/2013 | CN103097218A Purge system |
| 05/08/2013 | CN103097194A Mixer drum driving device |
| 05/08/2013 | CN103089759A Engineering machine and hydraulic oil cooling controlling system thereof |
| 05/08/2013 | CN103089758A Engineering machine and hydraulic oil cooling system thereof |
| 05/08/2013 | CN103089757A Closed hydraulic loop hot oil displacement system and concrete pumping device |
| 05/08/2013 | CN103089756A Oil filter |
| 05/08/2013 | CN103089755A Modified oil filter |
| 05/08/2013 | CN103089754A Oil filter |
| 05/08/2013 | CN103089753A Hydraulic oil filter |
| 05/08/2013 | CN103089752A Oil return oil filter |
| 05/08/2013 | CN103089751A Modified oil filter |
| 05/08/2013 | CN103089750A Controller and method for controlling multiple oil cylinders by using programmable controller |
| 05/08/2013 | CN103089749A Portable intelligent hydraulic loading device |
| 05/08/2013 | CN103089742A Hydrostatic system, hydrostatic steering system and hydrostatic pressure-limiting oil replenishing device thereof |
| 05/08/2013 | CN103089722A Multi-cylinder electro-hydraulic control system for double-valve-core rotary type direction throttle valve control cylindrical valve |
| 05/08/2013 | CN103089720A Hydraulic oil tank |
| 05/08/2013 | CN103089719A Modified hydraulic oil tank |
| 05/08/2013 | CN103089147A Double caterpillar track independent-running hydraulic system of driller |
| 05/08/2013 | CN101865192B Work-exchange type energy recovery device |
| 05/08/2013 | CN101469727B Frequency generating apparatus |
| 05/02/2013 | WO2013060824A1 Condensate separator device for a compressor arrangement for the production of compressed air |
| 05/02/2013 | WO2013060233A1 Pumping device, hydraulic distribution system and heating method thereof |
| 05/02/2013 | WO2013019656A9 System for producing hydraulic transient energy |
| 05/01/2013 | EP2587074A1 Hydraulic pump control system for construction machinery |
| 05/01/2013 | CN202914447U Hydraulic pump station condensate water removing device for machine tool |
| 05/01/2013 | CN202914446U Tubular magnetic oil return filter device |
| 05/01/2013 | CN202914445U Temperature lowering device for hydraulic power unit of stainless steel tube production line |
| 05/01/2013 | CN202914444U Hydraulic oil-way transition assembly |
| 05/01/2013 | CN202914443U Novel balance cylinder lubricating device |
| 05/01/2013 | CN202914425U Load sensing control hydraulic system and autorailer |
| 05/01/2013 | CN202914421U Deck mechanical hydraulic system for maritime work major possession transport ship |
| 05/01/2013 | CN202914420U Wind power tower drum hydraulic fixed device for shipping transportation |
| 05/01/2013 | CN202914419U Prepressing-type hydraulic oil tank suitable for hydraulic system of mine self-discharging vehicle and hydraulic system of heavy-load self-discharging truck |
| 05/01/2013 | CN103080566A Hydraulic circuit for construction equipment |
| 05/01/2013 | CN103080435A Drive control method for operating machine |
| 05/01/2013 | CN103080429A Filter clogging detection device of construction machinery |
| 05/01/2013 | CN103075395A Electric-hydraulic vibration exciter based on magnetostrictive driving |
| 05/01/2013 | CN103075394A Four-redundancy valve-controlled electro-hydraulic servo system |
| 05/01/2013 | CN103075393A Novel multi-redundancy electromechanical hydrostatic servo mechanism |
| 05/01/2013 | CN103075392A Linear electromechanical static pressure servo mechanism |
| 05/01/2013 | CN103075391A Hydraulic system of car pusher |
| 05/01/2013 | CN103075390A Digital hydraulic power pack |
| 05/01/2013 | CN103075389A Hydraulic oil supply system for machine tool which rolls and strengthens torque shaft surface |
| 05/01/2013 | CN103075378A Filter bypass overflow valve |
| 05/01/2013 | CN103074914A Engineering machine heat dissipation control system, control method and excavator |
| 05/01/2013 | CN102734235B Energy recovery hydraulic system and concrete conveying pump |
| 05/01/2013 | CN102269199B Bidirectional three-speed motor controller |
| 05/01/2013 | CN102182729B Large-flow high-frequency response electrohydraulic vibration device based on parallel servo valves and control method |
| 05/01/2013 | CN101490427B Electrohydraulic control system for the actuation of an actuator in a motor vehicle |
| 04/30/2013 | US8430129 Electromagnetic flow regulator, system, and methods for regulating flow of an electrically conductive fluid |
| 04/25/2013 | WO2013059540A1 Hydraulic system |
| 04/25/2013 | WO2013059536A1 Hydraulic system having multiple closed-loop circuits |
| 04/25/2013 | WO2013059386A1 Hydraulic system having multiple closed-loop circuits |
| 04/25/2013 | WO2013059110A2 Meterless hydraulic system having sharing and combining functionality |
| 04/25/2013 | WO2013059020A1 Closed-loop hydraulic system having regeneration configuration |
| 04/25/2013 | WO2013058942A1 Closed-loop hydraulic system having flow combining and recuperation |
| 04/25/2013 | WO2013058704A1 Actuator |
| 04/25/2013 | WO2013057919A1 Hydraulic control device and work machine equipped with same |
| 04/25/2013 | WO2013057558A1 Hydraulic air bleed valve system |
| 04/25/2013 | WO2013057553A1 Aircraft hydraulic air bleed valve system |
| 04/25/2013 | WO2013056545A1 Energy-recoverable hydraulic actuator and actuating method |