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Patent Searching and Data


Matches 651 - 700 out of 6,365

Document Document Title
WO/2003/048616A1
An access valve (2) for a laparoscopic device or a intraluminal deployment device has a cylindrical diaphragm (8) with a longitudinal aperture (3), a flexible member (14) is passed circumferentially around the cylindrical diaphragm and a...  
WO2002004848A8
The invention relates to a valve (21) for a fluid or gaseous medium, with a displaceable valve body (8), by means of which the clear flow cross-section is adjustable. The valve (21), viewed in the direction of flow, comprises a pressure ...  
WO2002036485A8
A valve integrally associated with a microfluidic transport assembly useful for regulating the flow of a liquid sample through an analytical instrument, and method for manufacturing the same are disclosed. The valve includes first and se...  
WO/2003/038321A2
A diaphragm control valve provides substantially straight-through fluid flow, which enables a high-flow capacity with minimal pressure loss. The non-planar diaphragm (200) when standing in a non-stressed state, is substantially an annulu...  
WO/2003/038323A1
A flow control device (100) for regulating the flow of liquid or gas through a flexible conduit (112) using a generally enclosed rack and pinion assembly (104) engaged by an external slidable assembly or switch (108). The case has a lowe...  
WO2002036998A9
A pinch valve (10) for pinching closed a tube (18) is comprised of a linear actuator (12) connected pivotally a pointer (16). The linear actuator is parallel to the tube and the end of the pointer that engages the tube is made to follow ...  
WO/2003/027550A1
Devices (30) for controlling the flow of fluid through plastic tubes, such as tubes which are part of a disposable blood donation tubing set (10) are disclosed. The device (30) comprises a clamp (31) adapted for attachment with one or mo...  
WO2002101269A3
A vacuum demand valve (10) is capable of delivering a flowable material. The valve (10) has a housing (11) having a proximal end (14), a distal end (16), an intermediate segment (18) therebetween defining a passageway (24) wherein the fl...  
WO2002043615A3
A method of fabricating an elastomeric structure, comprising: forming a first elastomeric layer on top of a first micromachined mold, the first micromachined mold having a first raised protrusion which forms a first recess extending alon...  
WO/2003/021139A2
A pressure-activated flexible valve (10) for use with a container for dispensing fluid material. The valve (10) has a single sealing surface and comprises an inner component (12) having a sealing portion (22) and an outer component (14) ...  
WO/2003/016760A1
The invention relates to a membrane valve used especially for transporting biological and pharmaceutical products and which can be pneumatically opened. When air enters through an inlet (19), it passes via a hollow spindle (4, 13, 23) an...  
WO/2003/016160A1
A dispenser (10) for flowable, viscous material (52) is provided which includes a housing (12) and a reservoir (50) for the material (52) with an elongated, synthetic resin deformable outlet tube (80). A flow-controlling assembly (16) in...  
WO2002082057A3
A microcytometer which combines lysing and cytometry into a unified system that achieves blood lysis and white blood cell count in a single device. The device focuses the white cells into a thin ribbon which is then focused into a single...  
WO/2003/010452A1
The application relates to a pneumatically actuated pneumatic valve (46) having a housing (62, 64, 66) with supply (70), exhaust (72) and pilot pressure (88) ports and a piston (82) confined between first (84) and second (76) diaphragms ...  
WO2002036998A3
A pinch valve (10) for pinching closed a tube (18) is comprised of a linear actuator (12) connected pivotally a pointer (16). The linear actuator is parallel to the tube and the end of the pointer that engages the tube is made to follow ...  
WO/2003/009076A1
A constant pressure regulator comprising a diaphragm held between a main body and a cover body and cooperating with the main body to form a gas chamber, a gas chamber forming ring disposed around the periphery of the gas chamber and held...  
WO/2003/008847A1
A HVAC curtain valve (20) that can operate at very low torque and can be assembled easily is provided. The valve (20) has an inlet (23), an outlet (25), and a curtain closure (40). The curtain closure (40) adjustably controls fluid flow ...  
WO2002068849A9
A microactuator device (12) includes a base (20) with at least one electrode pad (24) and a permeation membrane (18). Permeation membrane (18) is typically a water-permeable membrane that is able to deform by applying an electric charge ...  
WO2002081934A3
A pneumatic valve for use in laminated plastic microfluidic structures. This zero or low dead volume valve allows flow through microfluidic channels for use in mixing, dilution, particulate suspension and other techniques necessary for f...  
WO2002070932A3
A microvalve for regulating a flow of fluid is provided. The microvalve (201) has a first plate (205), a second plate (215), a sealing membrane (217), a spacer membrane (219), a third plate (227), an actuation membrane (229) and a piston...  
WO/2003/003252A1
At least a portion of a database (250) is partioned into ownership groups (230, 232, 234, 236) that are each assigned one or more database servers (208, 210, 212) as owners. The database servers (208, 210, 212) assigned as owners (s208, ...  
WO2002042671A3
A valve device (10, 100) and a method for operating at least two valves (28A and 28B), or 128A and 128B) is actuated by an actuator (25, 27; 25', 27') and arranged for controlling fluid flow in at least two separate fluid lines (12A, 12B...  
WO2002073184A3
A novel gas injection valve for injecting discrete charges of gas into a mobile phase or carrier stream is provided. Injection valves of the invention comprise a plurality of microvalves capable of receiving gas at different pressures an...  
WO/2002/103227A1
A diaphragm which is made from an alloy composition having a Young's modulus of 40 GPa to 90 GPa. The diaphragm allows the manufacture of a diaphragm valve exhibiting a widened range of control with respect to a flow rate of a fluid. The...  
WO/2002/103230A1
A pinch valve, comprising a cylinder body, a tubular handle screwed into the cylinder body, a lock nut screwed onto the tubular handle between the handle and the cylinder body, a connection bar with a spring retainer at a bottom end slid...  
WO/2002/101269A2
A vacuum demand valve (10) is capable of delivering a flowable material. The valve (10) has a housing (11) having a proximal end (14), a distal end (16), an intermediate segment (18) therebetween defining a passageway (24) wherein the fl...  
WO/2002/099324A1
A four−way valve, comprising a body having a main flow passage, a valve chamber, and a pair of branch flow passages and a cylinder body having a piston inserted therein, wherein the valve chamber is allowed to communicate with the main...  
WO2002081934A9
A pneumatic valve for use in laminated plastic microfluidic structures. This zero or low dead volume valve allows flow through microfluidic channels for use in mixing, dilution, particulate suspension and other techniques necessary for f...  
WO/2002/087409A2
Indwelling catheter (60) having an upper distal end (66) having a portion that can expand within a bladder type spaces without having to be inflated. An embodiment allows for at least one slit on an upper side of the catheter tube (60) a...  
WO2001069111A8
The present invention relates to an apparatus (1) for tapping of water, which comprises a valve device (4) with an inlet (19), connected to a water source, as well as an outlet (21) and a seat (29), positioned there between and actuated ...  
WO2002041994A3
An assay device in which to carry out a fluid-phase chemical assay, comprising means for supporting a test substrate, a sample chamber for receiving a fluid sample and at least one fluid control device for controlling the movement of flu...  
WO/2002/081934A2
A pneumatic valve for use in laminated plastic microfluidic structures. This zero or low dead volume valve allows flow through microfluidic channels for use in mixing, dilution, particulate suspension and other techniques necessary for f...  
WO/2002/082057A2
A microcytometer which combines lysing and cytometry into a unified system that achieves blood lysis and white blood cell count in a single device. The device focuses the white cells into a thin ribbon which is then focused into a single...  
WO/2002/081085A2
Microfluidic devices and methods for performing a microfluidic process are presented. A microfluidic device conforms with a standard well plate format. The device includes a well plate comprising a plate and an array of wells formed on o...  
WO/2002/078765A2
Programmable methods and apparatus for providing flow control in valves. In a preferred embodiment flow control occurs by pressing opposite sides of a very flexible tube section (3) together to selectively, and programmably, closing and ...  
WO/2002/079640A1
The invention relates to an electromagnetically actuated valve comprising a valve longitudinal axis (3), an electromagnetic circuit (1, 2), a displaceable actuating member (25), which co-operates with a fixed valve seat (23) to open and ...  
WO/2002/075187A1
An apparatus for squeezing pipes, comprising a first jaw having a first squeezing surface and a second jaw having a second squeezing surface. The first jaw and the second jaw are interconnected for relative displacement at proximal ends ...  
WO/2002/075188A1
An integral sterile access/GMP valve (10) having a main outlet (32) and a sampling outlet (34).  
WO/2002/073073A1
An intercept valve for fluids, comprising a tubular element (2) made of a deformable material, which internally defines a passage provided with an inlet (3) and an outlet (4) for a fluid to be intercepted. The tubular element (2) is hous...  
WO/2002/073184A2
A novel gas injection valve for injecting discrete charges of gas into a mobile phase or carrier stream is provided. Injection valves of the invention comprise a plurality of microvalves capable of receiving gas at different pressures an...  
WO/2002/070932A2
A microvalve for regulating a flow of fluid is provided. The microvalve (201) has a first plate (205), a second plate (215), a sealing membrane (217), a spacer membrane (219), a third plate (227), an actuation membrane (229) and a piston...  
WO2002033296A3
A valve assembly (10) is described comprising a valve body (12) and a manifold body (14) that overlays the valve body (12). In its simplest form,a pair of ports (22, 24) opens to the upper surface of the valve body (12) adjacent one anot...  
WO/2002/068849A1
A microactuator device (12) includes a base (20) with at least one electrode pad (24) and a permeation membrane (18). Permeation membrane (18) is typically a water-permeable membrane that is able to deform by applying an electric charge ...  
WO/2002/068850A1
An ctuator base (16), bobbin (14), and pole piece (24) form a pocket for an armature (30) that a flexible membrane (40) encloses to form an armature chamber filled with an incompressible fluid. The membrana (40) protects the armature (30...  
WO/2002/066876A1
A valve body for a valve includes a body (3) having an internal cavity (13) formed therein. An inlet passage (27) and an outlet passage (31) are formed in the body (3). ________________________ The inlet passage (27) has an inlet opening...  
WO/2002/065003A2
A plurality of embodiments of a flexible, discrete valve seat according to the present invention are provided for use in a high-purity valve. In one embodiment, the valve seat is retained in contact with a sealing surface on the valve bo...  
WO/2002/058772A1
A breath actuated dispenser there-shown has a generally L-shaped hollow body (1) with a mouthpiece (2). An aerosol drug can (3) is mounted in the body. The can has a dispensing spout (4), which engages a receptor moulding (5) incorporati...  
WO2001001025A9
A method of fabricating an elastomeric structure, comprising : forming a first elastomeric layer on top of a first micromachined mold, the first micromachined mold having a first raised protrusion which forms a first recess extending alo...  
WO/2002/057669A1
Disclosed is a diaphragm valve. When a chamber is expanded by fluid supply into a pipe-shaped button, a valve stem is slightly moved upward by a rod and a shaft to open an outlet of an orifice. Fluid received in a space between a cap and...  
WO2001071226A3
A microvalve device for controlling fluid flow in a fluid circuit (10). The microvalve device comprises a body (12) having a cavity formed therein. The body further has first (20) and second (22) pilot ports placed in fluid communication...  

Matches 651 - 700 out of 6,365