| Patents for F15C 3 - Circuit elements having moving parts (820) |
|---|
| 02/03/1999 | CN2306357Y Hydraulic oil-way balance type hand reversing valve for self-unloading wagon |
| 02/02/1999 | US5865417 Integrated electrically operable normally closed valve |
| 11/18/1998 | CN2297579Y 转阀式液压分配器 Rotary Valve hydraulic distributor |
| 11/12/1998 | WO1998050694A1 Spherical chamber fluidic ball diverter valve |
| 11/11/1998 | EP0877169A2 Hydraulic control device for the load-independent control of a double acting actuator |
| 10/13/1998 | US5819801 In a pressure line |
| 09/30/1998 | EP0866919A1 Microvalve |
| 08/20/1998 | DE19648730A1 Piezoelectrically actuated micro-valve e.g. for control of gas- and liquid-flows in motor vehicle engineering fluid technology |
| 08/18/1998 | US5794641 Valve control |
| 08/11/1998 | US5791375 Valve control |
| 08/04/1998 | US5789045 Microtubes devices based on surface tension and wettability |
| 07/09/1998 | WO1998013605A3 Integrated electrically operable micro-valve |
| 07/08/1998 | EP0799393B1 Valve arrangement, in particular for pneumatic control systems |
| 07/07/1998 | US5775371 Valve control |
| 06/04/1998 | WO1998023869A1 Piezo-electrically actuated microvalve |
| 06/04/1998 | WO1998023868A1 Piezo-electric operated microvalve |
| 05/20/1998 | CN2282087Y Novel structure split blade type six linking valve |
| 04/09/1998 | WO1998014707A1 Micro-machined device for fluids and method of manufacture |
| 04/09/1998 | CA2267086A1 Micro-machined device for fluids and method of manufacture |
| 04/02/1998 | WO1998013605A2 Integrated electrically operable micro-valve |
| 03/18/1998 | EP0829649A2 Micro valve with preloaded valve flap |
| 03/18/1998 | EP0704032B1 Servo-valve |
| 02/12/1998 | DE19631666A1 Pressure restrictor with variable flow area e.g. for IC engine fuel supply |
| 01/27/1998 | US5711346 Fluid control element |
| 01/07/1998 | EP0816731A2 Manifold valve |
| 12/29/1997 | EP0813656A1 Valve control |
| 12/04/1997 | WO1997045663A1 A flapper valve |
| 10/30/1997 | WO1997040292A1 Variator control system |
| 10/30/1997 | CA2251817A1 Variator control system |
| 10/28/1997 | US5681024 Microvalve |
| 10/08/1997 | EP0799393A1 Valve arrangement, in particular for pneumatic control systems |
| 09/30/1997 | US5671905 Electrochemical actuator and method of making same |
| 09/23/1997 | US5669416 Servo-valve |
| 08/14/1997 | WO1997029538A1 Bistable microactuator with coupled membranes |
| 08/13/1997 | EP0700485B1 Microvalve |
| 08/13/1997 | CN1157030A Micro-valve and process for manufacturing micro-valve |
| 06/26/1997 | WO1997022824A1 Fluid valve |
| 06/25/1997 | EP0780580A1 Device for producing periodic impulse changes in a fluid flow, method for the operation and the use of the device |
| 06/24/1997 | US5642271 Pneumatic control system |
| 06/19/1997 | WO1997021930A1 Microvalve |
| 06/19/1997 | DE19547149A1 Fluidisches Ventil Fluidic valve |
| 06/18/1997 | EP0778924A1 Micro-valve and process for manufacturing a micro-valve |
| 06/12/1997 | DE19546181A1 Mikroventil Microvalve |
| 05/28/1997 | EP0775277A1 Valve, especially for fluid handling bodies with microflowchannels |
| 03/06/1997 | DE19532686A1 Pneumatic valve with integrated pressure booster |
| 01/29/1997 | CN2246208Y Pneumatic dual-membrane logic component |
| 01/29/1997 | CN1033891C Regulated drip irrigation emitter |
| 01/23/1997 | WO1997002433A1 Micro-valve and process for manufacturing a micro-valve |
| 01/15/1997 | CN1140228A Controlling system controlled by flow for hydraulic rock drill |
| 01/14/1997 | US5593130 Valve, especially for fluid handling bodies with microflowchannels |
| 01/02/1997 | DE19523915A1 Mikroventil und Verfahren zur Herstellung eines Mikroventils Micro valve and method for manufacturing a microvalve |
| 01/01/1997 | CN2244112Y Pressure intensity proportion valve |
| 11/06/1996 | EP0741248A2 Fluidic control element |
| 09/19/1996 | WO1996019689A3 Valve arrangement, in particular for pneumatic control systems |
| 09/12/1996 | WO1996027742A1 Valve control |
| 08/20/1996 | US5546988 Servo multiplexing system |
| 08/14/1996 | EP0726414A1 Fluid flow control device |
| 06/27/1996 | WO1996019689A2 Valve arrangement, in particular for pneumatic control systems |
| 06/27/1996 | DE4445686A1 Ventilanordnung, insbesondere für pneumatische Steuerungen Valve arrangement, especially for pneumatic controls |
| 06/19/1996 | CN1124992A Pneumatic instrument particle trap |
| 04/24/1996 | EP0707687A1 Pneumatic instrument particle trap |
| 04/10/1996 | EP0706004A2 Relief valve |
| 04/10/1996 | EP0706003A2 Diaphragm valve |
| 04/08/1996 | CA2157647A1 Valve |
| 04/03/1996 | EP0704032A1 Servo-valve |
| 03/13/1996 | EP0700485A1 Microvalve |
| 03/05/1996 | US5496009 Valve |
| 02/22/1996 | WO1996005457A1 Toggle fluid control valve |
| 01/04/1996 | DE4422970A1 Atomizer for miniature multi-layer valve |
| 12/21/1995 | DE4420741A1 ELectro-pneumatic converter for process control applications |
| 08/29/1995 | US5445182 Toggle fluid control valve |
| 04/26/1995 | CN2195643Y 流体换向器 Fluid commutator |
| 04/18/1995 | US5406978 Shuttle orifice control mechanism |
| 04/13/1995 | DE4443337A1 Arrangement for the accurate, preferably computer-controlled fluid-volume flow measurement within a wide volumetric flow range |
| 03/21/1995 | US5398594 Volume flow control for hydraulic systems of vehicles, especially for steering devices of motor vehicles |
| 03/16/1995 | WO1995007425A1 Valve, especially for fluid handling bodies with microflowchannels |
| 02/09/1995 | DE4326561A1 Method for supporting a mirror, and a mirror support |
| 01/05/1995 | WO1995000786A1 Servo-valve |
| 12/22/1994 | WO1994029600A1 Pneumatic instrument particle trap |
| 12/22/1994 | DE4311218A1 Pilot stage with specially designed baffle for reducing the leakage |
| 12/08/1994 | WO1994028318A1 Microvalve |
| 12/01/1994 | DE4418450A1 Microvalve |
| 11/02/1994 | EP0622550A2 Improved servovalve apparatus for use in fluid systems |
| 11/02/1994 | EP0622114A1 Laminated conduit plate for fluid delivery system |
| 09/06/1994 | US5343894 Piezo valve |
| 08/31/1994 | EP0513018B1 Microvalve |
| 08/23/1994 | US5340081 Means for positively seating a piezoceramic element in a piezoelectric valve during inlet gas injection |
| 08/02/1994 | US5333637 Pneumatic instrument particle trap |
| 07/05/1994 | US5325889 Laminated conduit plate for fluid delivery system |
| 07/05/1994 | US5325880 Shape memory alloy film actuated microvalve |
| 06/01/1994 | DE4320909C1 Servo valve operating between inlet and outlet air nozzles - uses flexible beam held at one end in adjustable braked liner |
| 05/19/1994 | DE4237932A1 Volume flow control esp. for vehicle steering hydraulics - pumping hydraulic fluid, e.g. oil into main and auxiliary chambers using pump and throttle valve in main chamber |
| 04/19/1994 | US5303727 Fluidic deflector jet servovalve |
| 03/15/1994 | US5294058 Regulated drip irrigation emitter |
| 02/15/1994 | US5286002 Fuel injector having a composite silicon valve |
| 01/20/1994 | DE4223067A1 Micromechanical flow limiter with multilayer structure, e.g. for medical infusion system - has intermediate diaphragm layer which deflects w.r.t. amount of flowing medium, and blocks flow for large flow amounts |
| 12/21/1993 | US5271431 Microvalve |
| 12/09/1993 | DE4218325A1 Directional control 2/2 valve - has pressure relief circuit to control forces acting on piston bush |
| 11/03/1993 | CN1077909A Regulated drip irrigation emitter |
| 07/28/1993 | EP0553057A2 Regulated drip irrigation emitter |