| 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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| 05/13/2009 | CN201236861Y Miniature hydraulic power unit used for van tailboard |
| 05/13/2009 | CN201236851Y Totally-enclosed fuel tank of integral hydraulic hoist |
| 05/13/2009 | CN101429959A Electric closed-loop control flow control valve |
| 05/13/2009 | CN101429957A Power equipment of air compressor |
| 05/07/2009 | DE102007052675A1 Power supply unit for pneumatic massage elements has air compression pump driven by direct current via two control valves controlled by integrated electronics |
| 05/07/2009 | DE102007052023A1 Hydraulic fluid accumulator for hydraulic circuit of electrically driven, hydraulic servo steering system of motor vehicle, has ventilation unit provided at return connection, where return connection is formed as return connecting piece |
| 05/07/2009 | DE102007050921A1 Gas venting component for container or casing, equipped with polytetrafluoroethylene membrane, includes clamping component gripping membrane against annular shoulder formation |
| 05/06/2009 | EP2056177A2 Proportional valve means and method |
| 05/06/2009 | CN201232678Y Material clamping cylinder for guillotine shear |
| 05/06/2009 | CN101424285A Hydraulic control method for COREX slag powder mill system |
| 04/30/2009 | US20090110571 Hydraulic pump for brake system |
| 04/30/2009 | DE102007050513A1 Elektronische Druckluftversorgungsvorrichtung Electronic air supply device |
| 04/30/2009 | DE102006010845B4 Ventileinrichtung mit Softstartfunktion Valve device with soft start function |
| 04/30/2009 | DE102005012238B4 Minimess-Anschluss für Hydraulikeinheiten Minimess connection for hydraulic units |
| 04/29/2009 | CN201228693Y Adaptation type hydraulic system of closed-loop control load for computer |
| 04/29/2009 | CN201228692Y Filter end cap disassembly and assembly tool |
| 04/29/2009 | CN201228681Y Self-cooling hydraulic oil tank device |
| 04/29/2009 | CN201228678Y Storing chamber assembly used together with hydraulic fluid |
| 04/23/2009 | WO2009050752A1 Device for filtering pressurized oil |
| 04/23/2009 | WO2009049962A1 Hydraulic lifting device |
| 04/23/2009 | WO2009049598A1 Thermohydraulic method for increasing the pressure of diverse working fluids and application thereof |
| 04/23/2009 | WO2008151727A3 Control arrangement with pipe burst safety function |
| 04/23/2009 | DE202009002179U1 Vorrichtung zum Handhaben von Werkstücken An apparatus for handling workpieces |
| 04/23/2009 | DE102008050933A1 Laminierte Struktur für ein Fluid The laminated structure for a fluid |
| 04/23/2009 | DE102007062291A1 Hydraulischer Federspeicherantrieb Hydraulic spring operating mechanism |
| 04/23/2009 | DE102007013728B4 Ventilanordnung für den Antrieb von hydraulischen Verbrauchern in einer hydraulischen Arbeitsmaschine The assembly for the drive of hydraulic loads in a hydraulic machine |
| 04/23/2009 | DE10004605B4 Hydraulik-Logik-Kreuzkopplung zwischen getrennten redundanten Servoaktuatoren Hydraulic logic crosstalk between separate redundant servo actuators |
| 04/23/2009 | CA2705856A1 Thermohydraulic method for increasing the pressure of diverse working fluids and application thereof |
| 04/22/2009 | EP2050970A2 Hydraulic circuit for heavy equipment |
| 04/22/2009 | CN201225350Y Hydraulic loading oil way voltage stabilizer |
| 04/22/2009 | CN101415952A Method and apparatus for blow-moulding containers |
| 04/22/2009 | CN101413523A Independent energy accumulator energy recovery hydraulic system of engineering machinery load port |
| 04/22/2009 | CN101413522A Independent electrohydraulic load sensitive energy regeneration hydraulic system of engineering machinery load port |
| 04/21/2009 | US7520208 Drive device comprising a position controller |
| 04/16/2009 | WO2009047072A1 Method and device for actuating a hydraulic assembly |
| 04/16/2009 | WO2005089188A3 Variable resistance strut assemblies and articles containing the same |
| 04/16/2009 | DE202008003948U1 Hydropulsvorrichtung Hydropuls device |
| 04/16/2009 | DE102008050606A1 Steuersystem für eine Pneumatikvorrichtung A control system for a pneumatic device |
| 04/16/2009 | DE102007049155A1 Luftversorgungseinrichtung für Druckmaschinen sowie Druckmaschine Air supply device for printing machines and printing machine |
| 04/15/2009 | CN201221513Y Multifunctional gas-liquid pressurizing cylinder with gas and oil isolation, automatic exhaust and automatic oil compensating |
| 04/15/2009 | CN201221512Y Oil solution dispersed water vapor separation apparatus |
| 04/15/2009 | CN201221511Y Engineering machinery hydraulic system alarm |
| 04/15/2009 | CN201221506Y Hydraulic device for ship body section positioning |
| 04/15/2009 | CN101408269A Laminated structure for a fluid |
| 04/15/2009 | CN101408213A Energy recovery system of hybrid power engineering machinery energy accumulator-hydraulic motor |
| 04/15/2009 | CN101408212A Energy recovery system of hybrid power engineering machinery actuating element |
| 04/15/2009 | CN101408211A Oil electric compound energy-saving type closed-loop control system and control method thereof |
| 04/15/2009 | CN101408154A Hydraulic cylinder-controlled oblique tray type plunger hydraulic transformer |
| 04/09/2009 | WO2009043428A1 Air filter cartridge for a compressed air processing system with a removable desiccant box |
| 04/09/2009 | WO2009043427A1 Drying agent cartridge for a compressed air treatment system and method for producing a drying agent cartridge |
| 04/09/2009 | WO2009043181A1 Hydraulic drive system and diagnostic control strategy for improved operation |
| 04/09/2009 | DE102007046944A1 Druckluftversorgungseinrichtung mit Leckagenanalyse und Verfahren zum Betreiben einer solchen Druckluftversorgungseinrichtung Compressed air supply device with leakage analysis and method of operating such a compressed air supply device |
| 04/09/2009 | DE102007046696A1 Hydraulisches Antriebssystem Hydraulic drive system |
| 04/09/2009 | DE102007046167A1 Luftfilterpatrone für eine Druckluftaufbereitungsanlage Air filter cartridge for an air handling unit |
| 04/09/2009 | DE102005057786B4 Elektro-fluidische Steuereinrichtung mit mindestens einer Ventilbatterie Electro-fluidic control device having at least one valve battery |
| 04/09/2009 | CA2700748A1 Hydraulic drive system and diagnostic control strategy for improved operation |
| 04/08/2009 | EP2045492A2 Rock breaking device, protection valve and a method of operating a rock breaking device |
| 04/08/2009 | EP2044337A1 Electrohydraulic control system for the actuation of an actuator in a motor vehicle |
| 04/08/2009 | EP2044334A1 Method and apparatus for blow-moulding containers |
| 04/08/2009 | EP1387968B1 Hydraulic system and control method thereof |
| 04/08/2009 | CN201218256Y Oil liquid pollution monitoring and cleaning filter for hydraulic power system |
| 04/08/2009 | CN201218255Y Front wheel driven hydraulic load sensing device of grader |
| 04/08/2009 | CN101403405A Energy recovery system of hybrid single-pump multi-execution component engineering machinery |
| 04/08/2009 | CN101403404A Hydrostatic system filter of diesel locomotive |
| 04/08/2009 | CN101403403A Fluid loop with filter bypass |
| 04/02/2009 | WO2009041817A1 Floor suitable for generating, converting and/or storing energy |
| 04/02/2009 | WO2005089168A3 Customizable strut assemblies |
| 04/02/2009 | US20090084104 Pressure recovery system |
| 04/02/2009 | DE112007001092T5 Hebesystem Lifting System |
| 04/02/2009 | DE102007056664B3 Housing cover i.e. closing cover, for use in multiport valve, in e.g. pneumatic application, has sealing, closing body and bridge combined to form single-piece multi-functional body, where closing body sits in production channel as clot |
| 04/02/2009 | DE102007046462A1 Bremssystem und elektronische Luftaufbereitungseinheit für Druckluftbremssysteme mit integriertem Timer und Temperatursensor Braking system and electronic air conditioning unit for air brake systems with integrated timer and temperature sensor |
| 04/02/2009 | DE102007045012A1 Ventileinrichtung für eine Luftfederungsanlage Valve device for an air suspension system |
| 04/02/2009 | DE10060430B4 Hydraulisches Fahrsteuersystem A hydraulic driving control system |
| 04/01/2009 | EP2042746A1 Motor control device for construction machine |
| 04/01/2009 | EP2042745A2 Hydraulic drive system with energy recuperation |
| 04/01/2009 | EP2042661A2 Backhoe hydraulic system |
| 04/01/2009 | EP2041439A1 Device for periodic or cyclical air supply to machines at high pressure |
| 04/01/2009 | CN101400898A Liquid tank |
| 04/01/2009 | CN101398022A Vehicle oil-water separator |
| 04/01/2009 | CN101398017A Hydraulic drive system with energy recuperation |
| 04/01/2009 | CN100473844C Removal of trapped gas in liquid-gas accumulator with device |
| 03/26/2009 | US20090077837 Work machine |
| 03/25/2009 | EP2039945A1 Hydraulic control system for working machine |
| 03/25/2009 | CN201212500Y Intelligent exhaust for front low-pressure end of hydraulic system |
| 03/25/2009 | CN101392777A Rapid exhaust of plunger type hydraulic system |
| 03/25/2009 | CN101392771A Hydraulic double cylinder or multi-cylinder synchronous control system |
| 03/25/2009 | CN101392769A High precision hydraulic power source for directly driving oil pump by speed governing generator |
| 03/25/2009 | CN101392768A Operation method of gas-liquid booster and a grease gun used in maintenance of the gas-liquid booster |
| 03/24/2009 | US7506505 Hydraulic driving device for operating machine |
| 03/19/2009 | WO2009035945A1 Pressure-compensated accumulator bottle |
| 03/19/2009 | WO2009035509A1 Actuator control system implementing adaptive flow control |
| 03/19/2009 | DE102007044431A1 Elektrohydraulische Steuerungsvorrichtung Electrohydraulic control device |
| 03/19/2009 | DE102007044430A1 Elektrohydraulische Stellvorrichtung Electro-hydraulic actuator |
| 03/19/2009 | DE102006042951B4 Bremssteuervorrichtung und -verfahren für ein Fahrzeug A brake control apparatus and method for a vehicle |
| 03/19/2009 | DE102006011844B4 Filterelement Filter element |
| 03/19/2009 | DE102005003850B4 Fluidtechnische Anordnung Fluidic assembly |
| 03/18/2009 | CN101387313A Stopper |
| 03/18/2009 | CN101387309A Flow control apparatus for heavy construction equipment |
| 03/12/2009 | WO2008089217A3 Hydraulic fluid dehydration system and method including pre-heating |
| 03/12/2009 | US20090064865 Integrated unit for air treatment in pneumatic systems |