| 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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| 08/22/2002 | US20020112475 Method and apparatus for controlling fluid pressure in a hydraulically-actuated device |
| 08/21/2002 | EP1233191A2 Hydraulic oscillator as a machine drive |
| 08/21/2002 | EP1232810A1 Press brake and method of controlling bidirectional fluid pump of hydraulic cylinder of press brake |
| 08/21/2002 | CN1365297A Filter device for microfiltration of oil |
| 08/15/2002 | WO2002063107A1 Hydraulic control circuit of boom cylinder of working machine |
| 08/15/2002 | US20020108486 Hydraulic recovery system for construction machine and construction machine using the same |
| 08/14/2002 | EP1231387A2 Method and apparatus for controlling fluid pressure in a hydraulically-actuated device |
| 08/14/2002 | EP1230488A2 Control arrangement for a hydraulic or pneumatic system |
| 08/14/2002 | EP1229991A1 A method and device for cleaning air in a compressed air system |
| 08/14/2002 | EP0814891B9 Air de-oiling element |
| 08/14/2002 | DE10101438A1 Entlüftungseinrichtung für ein Hydrauliksystem Venting device for a hydraulic system |
| 08/13/2002 | US6431294 Percussive tool |
| 08/08/2002 | WO2002061289A2 Vehicle fluid change apparatus and method |
| 08/08/2002 | WO2002060564A1 Arrangement and method for compressed air systems in vehicles |
| 08/08/2002 | WO2001083985A3 Rotomolded hydraulic reservoir with integral baffle |
| 08/08/2002 | WO2001077529A3 Method for reducing noise and cavitation in machines and pressure exchangers which pressurize or depressurize fluids by means of the displacement principle |
| 08/08/2002 | US20020105218 Fluid control system for an office furniture device |
| 08/08/2002 | US20020104431 Method and apparatus for controlling the actuation of a hydraulic cylinder |
| 08/08/2002 | US20020104430 Working vehicle with a working implement displaceable by a hydraulic actuator |
| 08/06/2002 | US6430490 Hydraulic circuit control device of construction machinery |
| 08/06/2002 | US6428121 Pressure control device |
| 08/01/2002 | US20020100639 Vehicle hydraulic system |
| 08/01/2002 | US20020100275 Regenerative adaptive fluid control |
| 08/01/2002 | DE10103284A1 Mehrteilige Filterkombination Multi-part filter combination |
| 08/01/2002 | DE10101390A1 Vorrichtung zum Umwandeln eines Hydraulik- oder Pneumatikstroms A device for converting a hydraulic or pneumatic current |
| 07/31/2002 | EP1227021A2 Multipart filter combination |
| 07/25/2002 | US20020096465 Multi-part filter combination |
| 07/25/2002 | US20020096223 Pressure accumulator, and method for producing the same |
| 07/25/2002 | US20020096222 Flow rate-controlling method and microvalve therefor |
| 07/25/2002 | DE10102894A1 Filtering of the pressure medium within a motor vehicle hydraulic adjustment device for a friction coupling, by placing the filter in the pump pressure outlet to ensure all debris is removed before it reaches the pressure reservoir |
| 07/18/2002 | WO2002055889A1 Hydraulic control circuit of working machine |
| 07/18/2002 | US20020092393 Traversing circular saw |
| 07/17/2002 | EP1223348A2 Device for converting an hydraulic or pneumatic flow |
| 07/17/2002 | EP1222402A1 Fluid control system |
| 07/17/2002 | EP0897480B1 Device for saving energy |
| 07/16/2002 | US6420950 Electromagnet |
| 07/16/2002 | US6419607 Actuating device for a differential lock, preferably a frictional lock |
| 07/16/2002 | CA2317670C Hydraulic circuits for tree-harvesting knuckle booms |
| 07/11/2002 | WO2002053880A2 Hydraulic valve system |
| 07/09/2002 | US6416033 Air over hydraulics actuator system |
| 07/04/2002 | US20020087244 Flow control for electro-hydraulic systems |
| 07/04/2002 | DE10162575A1 Oil hydraulic circuit has hydraulic cylinder and filter device with air bubble separator, cylinder having different inflow and outflow quantities |
| 07/04/2002 | DE10035575A1 Hydraulische Steueranordnung zur Druckmittelversorgung von vorzugsweise mehreren hydraulischen Verbrauchern A hydraulic control arrangement for the pressure medium supply of preferably a plurality of hydraulic consumers, |
| 07/03/2002 | EP1219751A1 Hybrid construction machinery and control device of the construction machinery |
| 07/03/2002 | EP1219526A1 Power steering reservoir and cooler |
| 07/03/2002 | CN1357084A Vibration damper on basis of electropheological/magnetorheological fluids for belt tensisoning systems |
| 06/20/2002 | WO2001096971A3 Method and apparatus for combined conduit/electrical-conductor junction installation |
| 06/20/2002 | US20020074044 Precision orificing for pilot operated control valves |
| 06/20/2002 | DE10062428A1 Servo-assisted pressure feed valve has flow regulating valve in control oil flow path to transfer cavity |
| 06/13/2002 | WO2002046624A2 Method for operating a control device for a hydraulic system |
| 06/13/2002 | WO2002046021A2 Electro-hydraulic load sense on a power machine |
| 06/13/2002 | US20020070632 Pre-equilibrium chemical reaction energy converter |
| 06/13/2002 | US20020070071 Electro-hydraulic load sense on a power machine |
| 06/13/2002 | DE10060558A1 Pressure reservoir for vehicle braking system has pressure medium chamber at least partly bounded by partly permeable material enabling gas to escape and preventing pressure medium from escaping |
| 06/12/2002 | EP0968334B1 Hydraulic control system for a mobile work machine, especially a wheel loader |
| 06/11/2002 | US6402810 Method for dehydrating and/or degassing hydraulic fluids, device for carrying out said method and use of said device |
| 06/11/2002 | US6402095 Device for displacing the moveable parts of rail switches or crossings |
| 06/11/2002 | US6401456 Method and device for controlling work machine |
| 06/06/2002 | WO2002044823A1 Flow control method for micro system |
| 06/06/2002 | WO2002043980A2 Hydraulic energy storage systems |
| 06/06/2002 | WO2002043833A1 Filter dehydrator |
| 06/06/2002 | DE10060285A1 Verfahren zum Betrieb einer Regelanordnung für ein hydraulisches System Method for operating a regulating arrangement for a hydraulic system |
| 06/04/2002 | US6397590 Hydraulic warming system for use in low ambient temperature applications |
| 05/30/2002 | US20020065575 Bucket shakeout mechanism for electro-hydraulic machines |
| 05/30/2002 | US20020063087 Filter dehydrator |
| 05/29/2002 | CN2493767Y Electric controlled hydraulic adjustable speed reducer |
| 05/28/2002 | US6395359 Power cylinder non-metallic liner seal assembly |
| 05/28/2002 | US6393839 Pressurized medium delivery device |
| 05/28/2002 | US6393838 Hydraulic control device for working machines |
| 05/22/2002 | EP1206731A2 Diagnostic and control unit for power machine |
| 05/21/2002 | US6390783 Hydraulic pump having low aeration single return boost reservoir |
| 05/21/2002 | US6389952 Apparatus and method of operating a fluid cylinder of a work machine |
| 05/16/2002 | WO2002038990A2 Pilot-operated pressure supply valve |
| 05/16/2002 | WO2002038966A2 Fluid flow control valves |
| 05/16/2002 | DE10054561A1 Ventilgesteuerte fluidische Aktoranordnung Valve-controlled fluidic actuator assembly |
| 05/15/2002 | CN1349664A Pre-equilibrium chemical reation energy converter |
| 05/10/2002 | WO2002036966A2 Valve-controlled fluidic actuator system |
| 05/08/2002 | EP1203161A2 Security valve for a press |
| 05/08/2002 | EP1203133A1 Apparatus for operating gates and the like |
| 05/08/2002 | CN2490351Y Automatic cleaning equipment for hydraulic system pipe line |
| 05/07/2002 | US6383103 Hydraulic tensioner |
| 05/07/2002 | US6382257 Fluid control system |
| 05/02/2002 | US20020050295 Low leak boom control check valve |
| 05/02/2002 | DE10052666A1 Hydraulic system for hydraulic clutch or transmission for motor vehicles has ventilation unit with air filter located in cover of hydraulic fluid reservoir |
| 05/02/2002 | DE10050128A1 Filtervorrichtung Filter device |
| 05/01/2002 | CN2489132Y Electrohydraulic push rod |
| 04/30/2002 | US6378303 Hydraulic control device of a working machine |
| 04/30/2002 | US6378301 Pressurized fluid recovery/reutilization system |
| 04/25/2002 | WO2001069089A3 Working machine |
| 04/25/2002 | US20020046845 Hydraulic actuator |
| 04/25/2002 | US20020046843 Hydraulic actuator |
| 04/25/2002 | US20020046834 Hydraulic actuator |
| 04/25/2002 | DE10144766A1 Verfahren zum Antreiben und Steueren eines Magnetventils A method for driving a solenoid valve and Steueren |
| 04/24/2002 | EP1199411A1 Shovel |
| 04/24/2002 | EP1199410A1 Construction machine |
| 04/24/2002 | EP1198278A1 Filter device for microfiltration of oil |
| 04/24/2002 | CN1346027A Hydraulic power transmission unit |
| 04/23/2002 | US6374803 Hydraulic system with a filter screen for internal combustion engine |
| 04/23/2002 | US6374602 Control system for a hydraulic transformer having variable pressure input |
| 04/18/2002 | WO2002031365A2 Filter device |