| 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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| 12/18/2013 | CN203348233U Hydraulic power system |
| 12/18/2013 | CN203348232U Hydraulic oil filter element |
| 12/18/2013 | CN203348231U Net type oil filter |
| 12/18/2013 | CN203348230U Flushing valve and closed type hydraulic system |
| 12/18/2013 | CN203348229U Oil spilling prevention device and automobile |
| 12/18/2013 | CN203348228U Independent hydraulic cooling compensation system used for crawler-type horizontal directional drilling machine power head |
| 12/18/2013 | CN203348227U Double-way oil filtering device |
| 12/18/2013 | CN203348226U Hydraulic oil temperature regulating device of numerical control double-arm double-cylinder stretch-bending machine |
| 12/18/2013 | CN203348225U Electro-hydraulic servo synchronous driving controller based on PLC |
| 12/18/2013 | CN203348224U Building machine used for combination |
| 12/18/2013 | CN203348223U Novel pump station |
| 12/18/2013 | CN203348210U Combined type energy-saving cylinder with valve |
| 12/18/2013 | CN203348186U Hydraulic oil tank for rotary drilling rig |
| 12/18/2013 | CN203348185U Oil tank for drum type coal mining machine |
| 12/18/2013 | CN203348184U Hydraulic control device for offshore wind power piling |
| 12/18/2013 | CN203345946U Crane |
| 12/18/2013 | CN103452968A Automatic start-stop device for hydraulic and pneumatic tong |
| 12/18/2013 | CN103452967A PID (proportion integration differentiation)-regulation-based double-closed loop electro-hydraulic servo control device |
| 12/18/2013 | CN103452966A Hydraulic oil cooling structure of jet device of numerical-control water cutting machine |
| 12/18/2013 | CN103452965A Oil-way cooling system of small walk-behind road roller |
| 12/18/2013 | CN103452964A Independent hydraulic oil grading cooling system and engineering machinery |
| 12/18/2013 | CN103452963A Hydraulic system of automatic foamed plastic forming machine |
| 12/18/2013 | CN103452962A Controller for transforming start-up sequentially |
| 12/18/2013 | CN103452961A Open central control unit with constant and regulating pump |
| 12/18/2013 | CN103452953A Hydraulic oil cylinder, waterproof system thereof and concrete pumping device |
| 12/18/2013 | CN103452926A Hydraulic headstock gear convenient in overhauling |
| 12/18/2013 | CN103452918A System for driving working machine |
| 12/18/2013 | CN103452149A Potential energy recovery hydraulic control device for movable arm of excavator |
| 12/18/2013 | CN102182726B Method and device of integrating high power |
| 12/18/2013 | CN101855456B Valve apparatus |
| 12/12/2013 | US20130327689 Filter with a bypass mechanism for a hydraulic system |
| 12/12/2013 | DE102013204827A1 Feinfilter für strömende Flüssigkeiten und damit ausgestatteter Vorratsbehälter Fine filter for flowing liquids and thus equipped reservoir |
| 12/12/2013 | DE102013105618A1 Vorrichtung zur Rückgewinnung von Energie An apparatus for recovering energy |
| 12/12/2013 | DE102012209528A1 Device for moving hydraulic pistons arranged in hydraulic cylinder in calender of e.g. paper-making machine, has parallel circuit valve e.g. solenoid Valve, arranged between digital hydraulic pressure control valves and hydraulic cylinders |
| 12/11/2013 | EP2672127A1 Power regeneration device for work machine |
| 12/11/2013 | EP2672126A1 Method for determining the presence of undissolved gas in a hydraulic system |
| 12/11/2013 | CN203335537U Energy recycling hydraulic system of working device |
| 12/11/2013 | CN203335536U Hydraulic valve filtration device |
| 12/11/2013 | CN203335535U Automatic hydraulic oil cooling device |
| 12/11/2013 | CN203335534U Oil filtering tank for filtering hydraulic oil |
| 12/11/2013 | CN203335533U Heating system for hydraulic oil tank |
| 12/11/2013 | CN203335504U Power steering gear performance testing hydraulic device |
| 12/11/2013 | CN203335502U Hydraulic device of conjoined compression box |
| 12/11/2013 | CN203335501U High-pressure filter hydraulic device of conjoined compression box |
| 12/11/2013 | CN203335498U Hydraulic servo driving device |
| 12/11/2013 | CN203333196U Tower crane hydraulic jacking device |
| 12/11/2013 | CN103443726A Method and device for monitoring a servo-valve actuation system |
| 12/11/2013 | CN103443478A Hydraulic system for hydraulic working machine |
| 12/11/2013 | CN103443363A Hybrid construction machinery and auxiliary control device used therein |
| 12/11/2013 | CN103438055A On-line cleaning machine of large-sized hydraulic equipment |
| 12/11/2013 | CN103438054A Potential energy charging device for double-cylinder hydraulic compression oil cylinder |
| 12/11/2013 | CN103438035A Fluid pressurizer with filtering function |
| 12/05/2013 | WO2013180605A1 A method for recovering energy and a hydraulic system |
| 12/05/2013 | DE112012001028T5 Hydrauliksteuerungssystem mit Pumpendrehmomentbegrenzung Hydraulic control system with pump torque limit |
| 12/05/2013 | DE102013008841A1 Valve assembly for secured fluid supply of hydraulic consumer used in hydraulic system, has control valve that is provided in form of 4/2-valves in respective valve unit |
| 12/05/2013 | DE102012011062A1 Hydrauliksystem und Druckbegrenzungsventil The hydraulic system and pressure limiting valve |
| 12/04/2013 | EP2668403A1 Device for transferring a hydraulic working pressure in a pressure fluid for actuating hydraulic units of deep-sea systems |
| 12/04/2013 | CN203321955U Hydraulic regenerating device |
| 12/04/2013 | CN203321954U Novel control circuit of hydraulic oil station motor of roller press |
| 12/04/2013 | CN203321953U Hydraulic oil temperature control device for injection molding machine |
| 12/04/2013 | CN203321952U Centralized returned oil cooling system |
| 12/04/2013 | CN203321951U Oil temperature collecting device for truck hydraulic system |
| 12/04/2013 | CN203321950U 冷却油箱 Cooling tank |
| 12/04/2013 | CN203321949U Top driving hydraulic oil remote microcirculation heating device |
| 12/04/2013 | CN203321948U Oil cleaning device of hydraulic test stand |
| 12/04/2013 | CN203321947U Hydraulic pipeline with heat dissipation device |
| 12/04/2013 | CN203321946U Hydraulic power unit for achieving executive component synchronization and oil pump one-way sequential oil outflow |
| 12/04/2013 | CN203321945U Hydraulic pump station |
| 12/04/2013 | CN203321944U Unit water inlet emergency gate integrated type hydraulic hoist system |
| 12/04/2013 | CN203321943U Plane service gate hydraulic opening and closing device |
| 12/04/2013 | CN203321936U Furnace door hydraulic cylinder cooling control device |
| 12/04/2013 | CN203321924U Hydraulic device for controlling stretching, pressure reserving and floating of oil cylinder |
| 12/04/2013 | CN203317256U Air cylinder electronic control system fault protection tool |
| 12/04/2013 | CN203317011U Hydraulic wrench exclusive automatic pump |
| 12/04/2013 | CN103423243A Movable hydraulic pump station |
| 12/04/2013 | CN103423241A Integrated logic flow block control method and device |
| 12/04/2013 | CN103420254A Hydraulic elevator |
| 12/04/2013 | CN103419630A Vehicular self-drive hydraulic control system with function of inertial energy accumulation |
| 12/04/2013 | CN103418825A Energy-saving control method of hydraulic system of hydraulic rolling shear |
| 12/03/2013 | CA2635121C Purge device and hydraulic system comprising such a purge device |
| 11/28/2013 | WO2013177526A1 Injection molding flow control apparatus and method |
| 11/28/2013 | WO2013176559A1 Hydraulic operating device |
| 11/28/2013 | WO2013174235A1 Energy recycling system for working device |
| 11/28/2013 | US20130312848 Face mount interface for an electro-hydraulic actuator |
| 11/28/2013 | DE112012001035T5 Hydrauliksteuerungssystem mit Zylinderstromkorrektur Hydraulic control system with cylinder current correction |
| 11/28/2013 | DE112012000071B4 Hydraulikbagger Hydraulic Excavators |
| 11/28/2013 | DE102012010451A1 Air dryer, particularly for compressed air conditioning device of vehicle, has non-woven sheet that is applied on base of housing without clamping, where projection is arranged at radial edge area of base in annular manner |
| 11/28/2013 | DE102012010266A1 Hydraulische Schaltungsanordnung The hydraulic circuit system |
| 11/28/2013 | DE102004049512B4 Modulares Gehäusesystem für fluidische Steuer- und Regelgeräte Modular housing system for fluid control equipment |
| 11/27/2013 | DE202013007262U1 Zirkulationsfaltenbalg Zirkulationsfaltenbalg |
| 11/27/2013 | CN203308833U Hydraulic pump zero load starting device |
| 11/27/2013 | CN203308832U Hydraulic filter joint |
| 11/27/2013 | CN203308816U Manual oil pump hydraulic system for anchor rod tension meter |
| 11/27/2013 | CN203308813U Hydraulic power station of movable waster compression station |
| 11/27/2013 | CN203308808U Novel field refueling hydraulic oil tank |
| 11/27/2013 | CN203308806U Oil tank for hydraulic power unit |
| 11/27/2013 | CN103410811A Energy recovery type hydraulic system for fatigue test of hoisting system |
| 11/27/2013 | CN103406846A Air cylinder electronic control system of product tools |
| 11/27/2013 | CN103406767A Oil draining block and oil sucking hydraulic circuit combination device for sliding block hydrostatic guide rail |
| 11/21/2013 | US20130306180 Hydraulic Block for a Slip-Controlled Vehicle Brake System |