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| Number | Title | Issue Date |
| 8087635 | Pneumatic pinch valve A pneumatic pinch valve assembly having a lever, a piston supporting a pressing piece, and a fluid tube receiving space formed between the lever and the pressing piece for receiving fluid tubes is disclosed. Air is introduced into a cavity to actuate the piston in o... | 01/03/2012 |
| 7896310 | Pinch valve A pinch valve is adapted to hold at least one flexible tube in a tube holding room (7) and comprises a plunger (13) adapted to protrude into the tube holding room and pinch the tube against an opposite side wall (11) thereof. The plunger (13 | 03/01/2011 |
| 7862000 | Microfluidic method and structure with an elastomeric gas-permeable gasket A microfluidic structure and method, where the structure comprises a featureless gasket layer allowing for efficient and reproducible structure production and assembly. Layering methods allow for the use of a variety of device materials and easy assembly. ... | 01/04/2011 |
| 7775501 | Pinch valve A pinch valve has a hose-like valve member with a flexible peripheral wall adjacent to whose outer periphery two diametrally opposite pinch elements are arranged able to be moved toward and away from one another with a greater or lesser pinching of the peripheral wa... | 08/17/2010 |
| 7766301 | Tube occluder and method for occluding collapsible tubes The present invention involves, in some embodiments, mechanisms and methods of occluding collapsible tubing with an occluder to prevent fluid flow therethrough. In some embodiments, a tube occluding mechanism is disclosed that includes a bendable occluding member fo... | 08/03/2010 |
| 7559524 | Tube occluder for occluding collapsible tubes The present invention involves, in some embodiments, mechanisms and methods of occluding collapsible tubing with an occluder to prevent fluid flow therethrough. In some embodiments, a tube occluding mechanism is disclosed that includes a bendable occluding member fo... | 07/14/2009 |
| 7472882 | Pinch faucet The present invention provides a faucet for tapping a liquid stored under pressure of a gas in a container that has less moving parts subject to wear or breakage, and has a housing made of multiple parts which can be disassembled so the faucet mechanism can be easil... | 01/06/2009 |
| 7469875 | Pinch valve for regulating fluid flow A pinch valve for regulating fluid flow having a close mechanism using push-pull members and an open mechanism using open follower members in order to pinch a sleeve closed and to assist in opening it. In a particular embodiment, a four-bar linkage is employed. ... | 12/30/2008 |
| 7469874 | Tube valve, a tube valve apparatus and a head cleaning apparatus A tube valve 1 of the present invention includes a tube 6 defining a flow path therein through which a fluid flows, the tube 6 being arranged so that a part of the tube 6 forms at least one curved portion; and an opening/closing mechanism... | 12/30/2008 |
| 7419133 | Automatic clamp apparatus for IV infusion sets used in pump devices A clamp apparatus for selectively occluding a resilient tube to prevent free flow of fluid in the tube. The device comprises a base member to which the resilient IV tube is attached or through which it passes, and a slide clamp that slides relative to the base membe... | 09/02/2008 |
| 7383853 | Multi-port free flow valve and element A multi-port valve arrangement and removable valve element for use in sanitary environments that comprises at least three ports formed by the joining of at least two valve casing bodies at angles necessary to accommodate multiple connecting fluid streams. A seamless... | 06/10/2008 |
| 7367540 | Fast closing clamp The invention relates to a fast closing clamp for the pinching off of hoses, wherein the fast closing clamp has a clamp jaw with a clamping position, in which it can pinch off a hose, and an open position. The fast closing clamp in accordance with the invention furt... | 05/06/2008 |
| 7367358 | Medical fluid delivery system and method relating to the same A medical fluid delivery system for the use in the delivery of medical fluids. The medical fluid delivery system may include a pumping system, a disposable medical fluid line set and a valve operating system. The disposable tubing line set may include valves adapted... | 05/06/2008 |
| 7350761 | Soft hose pedal valve A pedal-operated valve is provided controls the rate of fluid flow in a soft hose. A cradle positions a section of the hose so that its cross-sectional area can be compressed by the hinged rotation of a pinchcock toward the cradle in response to a pedal force to red... | 04/01/2008 |
| 7338028 | Fluid switch controlled trans-cutaneously via magnetic force A fluid switch or valve for an implantable fluid delivery system is provided. The fluid switch or valve includes a fluid chamber having a fluid inlet and a fluid outlet and an internal magnet disposed within the fluid chamber. The internal magnet is moveable such th... | 03/04/2008 |
| 7303552 | Split valve for peel-away sheath A breakaway valve body for a peel-away introducer sheath. The valve body can be used in conjunction with a distally coupled peel-away introducer sheath and a proximally coupled flexible valve sleeve for restricting fluid flow from the introducer sheath when the valv... | 12/04/2007 |
| 7303175 | Automatic clamp apparatus having lateral motion resistance for IV infusion sets A clamp apparatus for selectively occluding a resilient tube to prevent free flow of fluid in the tube. The device comprises a base member to which the resilient IV tube is attached or through which it passes, and a slide clamp that slides relative to the base membe... | 12/04/2007 |
| 7276047 | Ductal lavage microcatheter with user activated valve and Nitinol introducer A medical instrument including a ductal access device comprising a low profile, ergonomic manifold hub usable to introduce fluids into a breast duct and collect ductal fluid samples including ductal epithelial cells and clumps of ductal epithelial cells from within ... | 10/02/2007 |
| 7260932 | Shape memory alloy latching valve A shape memory activated fluid control pinch valve is disclosed. The valve may be normally open or normally closed. In various embodiments of the valve, the valve may be a latching pinch valve and may operate with magnetic assistance. ... | 08/28/2007 |
| 7255322 | Pinch valve system with extended life There is provided a pinch valve system for controlling a fluid flow in a fluid flow path. The pinch valve system has an elastic sleeve member having a pair of outwardly extending elliptical folds on the circumference. The sleeve member is novel because the elliptica... | 08/14/2007 |
| 7246786 | Heavy duty pinch valve This invention provides a heavy duty pinch valve for use in industrial applications, such as railroad tank cars that is constructed with a sealed housing that is sufficiently sturdy to operate in tough environments and large material flows. The valve includes a weld... | 07/24/2007 |
| 7217127 | Switching device for irrigation fluids in a dental handpiece A switching device for an irrigation line includes two flexible supply tubes (4a, 4b), each of the tubes connecting a flask containing an irrigation fluid to a handpiece via a peristaltic pump. The device includes at least one compression... | 05/15/2007 |
| 7201363 | Valve A valve body (12) has an inlet opening (22) and an outlet opening (24) interconnected by a fluid passageway (28, 30) having a flow aperture (34). The valve comprises a diaphragm (14) (typically of the duckbill type) that is ... | 04/10/2007 |
| 7178699 | Pinch faucet The present invention provides a faucet for tapping a liquid stored under pressure of a gas in a container that has less moving parts subject to wear or breakage, and has a housing made of multiple parts which can be disassembled so the faucet mechanism can be easil... | 02/20/2007 |
| 7168675 | Media isolated electrostatically actuated valve A valve structure having a top part, a flexible media conveyance, such as a tube, a diaphragm and a bottom part with a support for the tube. The top surface of the diaphragm and the bottom surface of the top part may have electrodes attached. When there is no electr... | 01/30/2007 |
| 7159838 | Apparatus for squeezing pipes and method of use 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 through a first shaft of the ... | 01/09/2007 |
| 7124996 | Automatic clamp apparatus for IV infusion sets used in pump devices A clamp apparatus for selectively occluding a resilient tube to prevent free flow of fluid in the tube. The device comprises a base member to which the resilient IV tube is attached or through which it passes, and a slide clamp that slides relative to the base membe... | 10/24/2006 |
| 7104275 | Pinch valve A control valve includes an elastomeric flow tube, a plunger having first and second ends, and a pinch member connected to the first end of the plunger. The pinch member is situated adjacent the flow tube. A reference surface is positioned generally opposite the pin... | 09/12/2006 |
| 7100887 | Method for emptying a supply line for coating units A supply line for supplying coating application devices with coating substances, e.g., paint from one or a plurality of containers containing the coating substance(s), includes a valve device capable of displacing the coating substance in the supply line in a direct... | 09/05/2006 |
| 7080818 | Pressure regulating valve for common-rail fuel injection system A pressure regulating valve, for regulating the pressure in a common rail, having a pistonlike valve member guided axially displaceably in a bore, which valve member acts on a closing element which can be pressed against a valve seat, and the valve member forms an a... | 07/25/2006 |
| 7059580 | Pinch valve suited for metals and other rigid materials A pinch valve is described wherein the critical flow path is modified to form a space between two opposing metal disks that transition between an open and a closed state. The disks are characterized by a spring constant and act like a diaphragm. A closure force is a... | 06/13/2006 |
| 7059840 | Energy-saving, anti-free flow portable pump for use with standard PVC IV tubing An apparatus for pumping fluid through tubing comprising a stop platen is disclosed. The stop platen is operatively arranged to depress a wall of the tubing along a section of a longitudinal axis of the tubing. The stop platen is narrower than the tubing along a tra... | 06/13/2006 |
| 7032875 | Bag closing apparatus A bag closing apparatus including a frame structure, a cinching assembly and an actuator assembly. The cinching assembly includes at least three pivot arms, each pivot arm including an arcuate portion and pivotably connected to the frame structure. The pivot arms ar... | 04/25/2006 |
| 7011287 | Motor vehicle pinch valve A pinch valve for automotive applications, wherein the pinch valve comprises a flexible hose, an extension seat cradling the flexible hose, a pinching extension aligned opposite the extension seat on the outside of the flexible hose, and a valve actuator that is ope... | 03/14/2006 |
| 6976664 | Free flow valve and element A gasketless, straight-through bore fluid flow pinch valve and flexible, removable tubing element for improved sanitary conditions in production facilities. The valve casing is joined by fittings that enable separation of the casing to remove and replace the flexibl... | 12/20/2005 |
| 6962163 | Dual-float snap-action flush valve A liquid level control apparatus for a flush tank includes a valve mechanism communicating with a fill tube and operable between open and closed conditions, two floats, at least one of which is coupled to the valve mechanism for closing it when the at least one floa... | 11/08/2005 |
| 6948696 | Pinch valves A pinch valve has a resiliently flexible tubular valve member folded upon itself at an intermediate portion of the length of the valve member to establish a folded configuration including a longitudinally extending folded portion, preferably in the form of folds, an... | 09/27/2005 |
| 6939450 | Device having a flow channel A device having a flow channel, wherein at least one flow-terminating interface is used to control the flow of liquid in the flow channel. The flow-terminating interface prevents the flow of the liquid beyond the interface. In one aspect, the invention provides a se... | 09/06/2005 |
| 6935617 | Valve assembly for microfluidic devices, and method for opening and closing the same A normally open fluid manipulation valve assembly and system and a method for closing, re-opening and re-closing same. The normally open valve assembly can include a substrate including a first surface, with first and second recesses formed in the first surface. A r... | 08/30/2005 |
| 6929235 | Apparatus for flow rate control A clamp having a first clamp body, a second clamp body, and a clamping structure coupled to at least one of the first and second clamp bodies. One or both of the clamp bodies form a channel adapted to receive a tube. The clamping structure is movable in the channel ... | 08/16/2005 |
