| 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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| 04/25/2013 | WO2013003050A3 Hydraulic control system having energy recovery kit |
| 04/25/2013 | US20130098240 Pressure cylinder having a hidden loop design |
| 04/25/2013 | US20130098017 Hydraulic System |
| 04/25/2013 | DE10349664B4 Hydraulische Bremsanlage für Kraftfahrzeuge A hydraulic brake system for motor vehicles |
| 04/25/2013 | DE102011116862A1 Hydraulic assembly, particularly pump assembly for use in reverse osmosis system, has hydraulic unit, particularly pressure converter, which has rotor, and another hydraulic unit, particularly booster pump, which has rotor and housing |
| 04/25/2013 | DE102011116819A1 Method for controlling piezoelectric actuator for e.g. proportional valve of valve device for controlling e.g. fluid cylinders, involves adding preset waiting time to point of time of occurrence of difference in threshold value interval |
| 04/25/2013 | CA2850426A1 Aircraft hydraulic air bleed valve system |
| 04/25/2013 | CA2849871A1 Hydraulic air bleed valve system |
| 04/24/2013 | EP2584205A1 Time-delay valve |
| 04/24/2013 | CN202900851U Structure of frequency conversion hydraulic fluctuating vibration exciter |
| 04/24/2013 | CN202900850U Oil cylinder hydraulic station with cooling device |
| 04/24/2013 | CN202900849U Loader hydraulic system with filtering device |
| 04/24/2013 | CN202900848U Oil purifying structure of test stand for hydraulic cylinders |
| 04/24/2013 | CN202900847U Oil absorption filter device |
| 04/24/2013 | CN202900846U Hydraulic oil site full sealed filter device |
| 04/24/2013 | CN202900845U Charge oil purifier |
| 04/24/2013 | CN202900844U Improved loader hydraulic oil extraneous circulating system |
| 04/24/2013 | CN202900843U Oil source for servo motor |
| 04/24/2013 | CN202900842U Hydraulic universal testing machine one-way hydraulic cylinder quick-dropping hydraulic circuit |
| 04/24/2013 | CN202900841U Hydraulic pump station |
| 04/24/2013 | CN202900840U Air cleaner of electro-hydraulic push rod |
| 04/24/2013 | CN202900814U Mud scraping harrow hydraulic lifting device provided with manual operating device |
| 04/24/2013 | CN202900813U Pumping unit hydraulic control system |
| 04/24/2013 | CN202900184U Derrick-type long-travel hydraulic pumping unit |
| 04/24/2013 | CN202900174U Motor-driven hydraulic pumping unit |
| 04/24/2013 | CN202897951U Cooling package for forklift operating inside container |
| 04/24/2013 | CN202891234U Trigger control device in arch-shaped shockproof bed |
| 04/24/2013 | CN103066897A Electromotor energy storage braking system and control method |
| 04/24/2013 | CN103062166A Compound pumping electro-hydraulic system |
| 04/24/2013 | CN103062165A Hydraulic power system and application thereof in new energy vehicles |
| 04/24/2013 | CN103062164A Overload protection debugging control method, overload protection debugging control device, overload protection debugging control system and engineering machine |
| 04/24/2013 | CN103062163A Hydraulic oil degassing system |
| 04/24/2013 | CN103062162A Hydraulic oil radiating system and engineering machinery |
| 04/24/2013 | CN103062161A Mobile hydraulic pump station meeting high acceleration performance requirement |
| 04/24/2013 | CN103062160A Integrated motor vane pump hydraulic power unit |
| 04/24/2013 | CN103062159A Seal type hydraulic micro-displacement amplifier |
| 04/24/2013 | CN103062158A Small-sized centralized deep-sea hydraulic source |
| 04/24/2013 | CN103062143A Hydraulic control system and hydrostatic testing steel pipe machine oil-water balance system |
| 04/24/2013 | CN103057411A Actuating element of electro-hydraulic controller of power take-off unit |
| 04/24/2013 | CN103057374A Hydro-pneumatic suspension system and engineering vehicle |
| 04/24/2013 | CN101865191B Liquid excess pressure energy recovery device |
| 04/24/2013 | CN101140004B Aircraft power systems and methods for controlling aricraft system |
| 04/18/2013 | WO2013055156A1 Hydraulic control device using hydraulic actuator |
| 04/18/2013 | WO2013054954A1 Actuator displacement measurement system in electronic hydraulic system of construction equipment |
| 04/18/2013 | WO2012008867A3 Device for fluid power recuperation |
| 04/18/2013 | US20130091840 Shockwave-actuated power device |
| 04/18/2013 | DE102011115998A1 Filtervorrichtung Filter device |
| 04/17/2013 | EP2580080A1 Hydraulic system |
| 04/17/2013 | CN202884201U Rapid hydraulic closing device |
| 04/17/2013 | CN202883562U Oil-returning ratio control type intelligent temperature control system for hydraulic excavator |
| 04/17/2013 | CN202883561U Hydraulic source cooling device of triaxial tester |
| 04/17/2013 | CN202883560U Workover rig hydraulic oil filter unit |
| 04/17/2013 | CN202883559U Air source treater |
| 04/17/2013 | CN202883558U Exhausting device of hydraulic system |
| 04/17/2013 | CN202883557U Hydraulic device with leakage-proof device |
| 04/17/2013 | CN202883556U Hydraulic system installation structure for comprehensive experiment platform |
| 04/17/2013 | CN202883555U Throttle oil passage of lifting mechanism |
| 04/17/2013 | CN202883534U Steam driving cylinder module and installation structure thereof for robot |
| 04/17/2013 | CN202883531U Underwater pressure compensation structure of hydraulic servo valve |
| 04/17/2013 | CN202883529U Energy-saving device of hydraulic piston pump of filter press |
| 04/17/2013 | CN202879599U Engineering vehicle |
| 04/17/2013 | CN202879102U Embossed machine oil heating device |
| 04/17/2013 | CN202878733U Special oil press for wire rope buckle with automatic control device |
| 04/17/2013 | CN103052755A Device for controlling construction equipment |
| 04/17/2013 | CN103051106A Flexible starting motor |
| 04/17/2013 | CN103047230A Control method for improving dynamic load stiffness of electric-hydraulic servo system |
| 04/17/2013 | CN103047229A Sucker rod traction control system |
| 04/17/2013 | CN103047228A Backwash filter device and working face hydraulic system |
| 04/17/2013 | CN103047227A Back washing filtering device and working face hydraulic system |
| 04/17/2013 | CN103047226A Hydraulic-control quick oiling device for vibration valve detection machine |
| 04/17/2013 | CN103047225A Hydraulic pipeline integrated block and hydraulic system |
| 04/17/2013 | CN103047203A Hydraulic drive system and construction machinery |
| 04/17/2013 | CN103047201A Cooling hydraulic power steering oil tank |
| 04/17/2013 | CN101639090B Method for controlling time sequence of multi-pump hydraulic station |
| 04/16/2013 | US8418819 Movement damping apparatus |
| 04/11/2013 | WO2013049964A1 Closed type hydraulic system and method for controlling same |
| 04/10/2013 | EP2578818A1 Control valve with integrated filter and cam shaft phase adjuster with the control valve |
| 04/10/2013 | EP2577069A2 Fluid storage tank configured to remove entrained air from fluid |
| 04/10/2013 | CN202867428U Hydraulic filter |
| 04/10/2013 | CN202867427U Fluid pressure adjusting device |
| 04/10/2013 | CN202867426U Solar energy hydraulic station overhead arranged type hydraulic pump electromotor set oil leakage device |
| 04/10/2013 | CN202867425U Solar energy hydraulic station |
| 04/10/2013 | CN202867368U Oil cylinder control device |
| 04/10/2013 | CN202867366U Hydraulic oil tank for open type hydraulic system |
| 04/10/2013 | CN202866638U Double-power rotary-drilling-rig hydraulic system |
| 04/10/2013 | CN103038520A Time-delay valve |
| 04/10/2013 | CN103032422A Pulse gas generator driven by straight line reciprocating mechanism |
| 04/10/2013 | CN103032421A Reversing hydraulic system, method for controlling same and concrete pumping equipment |
| 04/10/2013 | CN103032420A Built-in water-cooling and dust-removing device for fuel tank of road-header |
| 04/10/2013 | CN103032419A Hydraulic filter system |
| 04/10/2013 | CN103032418A Hydraulic reservoir with self-bypassing filter |
| 04/10/2013 | CN103032417A Energy-saving and time-saving hydraulic oil preheating device of concrete pump truck |
| 04/10/2013 | CN103032416A Oil way filtering device for hydraulic system of automotive steering pump |
| 04/10/2013 | CN103032415A 液压装置和工程机械 Hydraulic equipment and construction machinery |
| 04/10/2013 | CN103032414A Hydraulic system formed by power cylinder integrated variable volume hydraulic driving device |
| 04/10/2013 | CN103031957A Control system and method for concrete machine |
| 04/10/2013 | CN103028785A Hydraulic controllable reciprocating rotary rod tube precise blanking machine |
| 04/10/2013 | CN102146943B Motor pressure turn-off control system and crane applying same |
| 04/10/2013 | CN101435448B Combined actuator with rheological control brake |
| 04/04/2013 | WO2013048803A1 Meterless hyrdraulic system having pump protection |