| 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) |
|---|
| 01/26/1999 | US5862663 System for raising and lowering the load support of an electric lift truck |
| 01/21/1999 | WO1999002865A1 Energy recovery system |
| 01/21/1999 | DE19730636A1 Valve controlling regeneration interval of air dryer |
| 01/21/1999 | DE19730287A1 Closed circuit hydraulic pump loss-free forced partial fluid flow circulation circuit |
| 01/20/1999 | EP0892176A1 Tank arrangement |
| 01/19/1999 | CA2142374C Self-bleeding hydraulic cylinder |
| 01/06/1999 | CN1203878A Pneumatic circuit for strapping tool having adjustable tension control |
| 01/05/1999 | US5855114 Arrangement in a pressing tool for sheet metal forming |
| 12/30/1998 | EP0887560A2 Timing control for strapping tool |
| 12/29/1998 | US5853524 Pneumatic circuit for strapping tool having adjustable tension control |
| 12/29/1998 | US5852933 Hydraulic drives system for a press |
| 12/24/1998 | DE19726118A1 Reciprocating drive mechanism |
| 12/24/1998 | DE19725685A1 Fluid pump with membrane |
| 12/23/1998 | CN2301569Y Automatic compensation sealing element for hydraulic element |
| 12/23/1998 | CN2301568Y 液压缸活塞杆密封装置 Hydraulic cylinder piston rod seal |
| 12/22/1998 | US5850844 Pressure reduction valve |
| 12/17/1998 | DE19825882A1 Capillary dosing unit |
| 12/16/1998 | EP0884482A1 Control device for hydraulic drive machine |
| 12/16/1998 | EP0884203A1 Height control device for vehicles with air springs |
| 12/16/1998 | EP0883754A1 Single acting pneumatic piston-cylinder unit |
| 12/16/1998 | EP0807221B1 Pressure reduction valve |
| 12/02/1998 | EP0712467B1 Hydraulic system for an axial piston pump |
| 12/02/1998 | CN2299183Y Adjusting hydraulic damper |
| 11/26/1998 | DE19814147A1 Speed controller of mast tilting cylinder of fork lift truck |
| 11/26/1998 | DE19721759A1 Energy reduction process for pneumatic drive |
| 11/25/1998 | CN1200072A High-speed hydraulic press |
| 11/17/1998 | US5836417 Power steering fluid |
| 11/17/1998 | US5836350 Electromagnetic valve |
| 11/12/1998 | DE19718332A1 Venting element for slave or master cylinder |
| 11/05/1998 | WO1998049450A1 Drive system for hydraulic motors |
| 11/03/1998 | US5829335 Control for hydraulic drive or actuator |
| 10/29/1998 | WO1998048175A1 Method for dehydrating and/or degassing hydraulic fluids, device for carrying out said method and use of said device |
| 10/29/1998 | DE19818480A1 System for controlling of hydraulic circuit |
| 10/29/1998 | DE19717807A1 Distributing valve, especially four-way proportional valve |
| 10/29/1998 | DE19717694A1 Pressure store for hydraulic systems |
| 10/29/1998 | DE19717691A1 Actuator, esp. of linear or rotational type |
| 10/22/1998 | DE19715568A1 Actuator arrangement for controlling valves |
| 10/20/1998 | US5823088 Pneumatic actuating arrangement |
| 10/14/1998 | EP0870138A1 Method and valve for filling fluid system |
| 10/14/1998 | EP0870114A2 Arrangement in a pressing tool for sheet metal forming |
| 10/14/1998 | EP0870113A1 Servicing apparatus for treating compressed air |
| 10/13/1998 | US5819801 In a pressure line |
| 10/13/1998 | US5819536 Hydraulic circuit |
| 10/07/1998 | EP0868613A2 Compact hydraulic unit |
| 10/06/1998 | US5816372 Magnetorheological fluid devices and process of controlling force in exercise equipment utilizing same |
| 10/01/1998 | WO1998042986A1 Fluid cooling device |
| 10/01/1998 | WO1998042923A1 Hydraulic control system for a mobile work machine, especially a wheel loader |
| 10/01/1998 | DE19711769A1 Hydraulische Steueranordnung für eine mobile Arbeitsmaschine insbesondere für einen Radlader A hydraulic control arrangement for a mobile working machine, in particular for a wheel loader |
| 09/30/1998 | EP0867622A2 Micromotors, linear motors, micropumps, methods of using the same, microactuators, methods of controlling flow properties of fluids, and apparatuses for controlling flow properties of fluids |
| 09/30/1998 | EP0792417B1 A device for double-acting hydraulic systems |
| 09/29/1998 | US5813225 Arrangement and method for removal of air from a hydraulic system |
| 09/24/1998 | DE19711591A1 Fluidkühlvorrichtung Fluid cooling means |
| 09/22/1998 | US5809626 Method for producing multi diaphragm structure |
| 09/15/1998 | US5806565 Hydraulic valves |
| 09/15/1998 | US5806557 Water-operated hydraulic control valve |
| 09/11/1998 | WO1998038845A2 Control system for a limited stall load actuator |
| 09/10/1998 | DE19709475A1 Hydraulic lifting device for platform or cage, etc. |
| 09/09/1998 | EP0862696A1 Triaxial positioning actuator and control methods using same |
| 09/09/1998 | CN1039739C Purification apparatus of fluid-operation system |
| 09/01/1998 | US5800584 Oil separator |
| 08/27/1998 | WO1998037332A1 Processing system for compressed air |
| 08/27/1998 | WO1998037331A1 Hydraulic pressure pilot circuit |
| 08/27/1998 | DE19706895A1 Druckluftaufbereitungssystem Compressed air treatment system |
| 08/26/1998 | EP0859657A1 Oil container intended in particular for hydraulic steering systems in motor vehicles |
| 08/25/1998 | US5797262 Drive circuit for fluid operated actuator having high and low pressure reservoirs |
| 08/20/1998 | WO1998036175A1 Meter-out flow rate control valve |
| 08/20/1998 | DE19705419A1 Central locking system for road vehicle |
| 08/18/1998 | US5794442 Adaptive fluid motor control |
| 08/18/1998 | US5794441 Adaptive fluid feedback control |
| 08/18/1998 | US5794440 Adaptive fluid control |
| 08/18/1998 | US5794439 In a regenerative adaptive fluid motor control system |
| 08/18/1998 | US5794438 Adaptive fluid motor feedback control |
| 08/18/1998 | US5794437 Regenerative adaptive fluid motor control |
| 08/12/1998 | EP0857256A1 Pneumo-hydraulic converter for energy storage |
| 08/12/1998 | EP0700348B1 Hydraulic systems for winches |
| 08/06/1998 | WO1998033989A1 Device for hydraulically operated working machine |
| 07/28/1998 | US5785087 Water hydraulic proportional control valve |
| 07/16/1998 | DE19700436A1 Vacuum pressure fill device for motor vehicles |
| 07/15/1998 | EP0853366A2 Device for transmission of control signals to valves |
| 07/15/1998 | EP0852676A2 Sanitary aseptic drain system |
| 07/14/1998 | US5778671 Electrohydraulic system and apparatus with bidirectional electric-motor/hydraulic-pump unit |
| 07/09/1998 | WO1998029664A1 Apparatus for recovering pressure oil returned from actuators |
| 07/07/1998 | US5775198 Control system for a limited stall load activator |
| 07/07/1998 | US5775103 Apparatus for purifying a fluid by vacuum treatment |
| 07/01/1998 | EP0850364A1 Hydrostatic drive control device |
| 07/01/1998 | EP0850363A1 Process and device for determining working positions of a working device |
| 06/30/1998 | US5772868 Hydraulic filter circuit with pressure maintaining valves, bypass and vent |
| 06/30/1998 | US5771917 Sanitary aseptic drain system |
| 06/25/1998 | WO1998027287A1 Hydraulic circuit for a hydraulic excavator |
| 06/25/1998 | DE19724747C1 Level regulator for motor vehicles with pneumatic springs |
| 06/25/1998 | DE19717043A1 Process equipment, use of equipment and/or process for degassing and/or dewatering hydraulic fluids |
| 06/25/1998 | DE19652922A1 Hydraulikschaltung für einen Hydraulikbagger Hydraulic circuit for a hydraulic excavator |
| 06/25/1998 | DE19651163A1 Hydraulic power transmission system |
| 06/24/1998 | EP0849070A1 Control device for hydraulically driven tool |
| 06/24/1998 | CN1185548A Fluid static-force driving device |
| 06/23/1998 | US5770053 Hydraulic equipment draining means |
| 06/23/1998 | US5768810 Method for carrying out automatic surface finishing work with electro-hydraulic excavator vehicle |
| 06/17/1998 | EP0848402A2 Fluid operated timer |
| 06/16/1998 | US5765590 Opposite way pressure detecting type shuttle relief valve |
| 06/10/1998 | CN1184213A Control device for travelling system in construction vehicles |