Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7708253 | Valve for a surgical or medical instrument A valve for surgical or medical instruments includes a passage that can be at least partially sealed by twisting a flexible section (1) of the passage wall, an element for rotating a mobile end (3) of flexible section (1), characterized in that ... | 05/04/2010 |
| 7607634 | Shape memory polymer conduits and methods of use A method comprises applying a thermal activation signal to a conduit comprising a shape memory polymer, causing a change in at least one property of the shape memory polymer, and regulating fluid flow through the conduit by the change in the at least one property of... | 10/27/2009 |
| 7434779 | Conduit clamp A conduit clamp has an upper member and a lower member selectively connectable around a flexible tube. The upper member and lower member has interconnecting pivot points for pivotally connecting to each other. The lower member has a pair of opposing sidewalls with r... | 10/14/2008 |
| 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 |
| 7331492 | Drip resistant dispensing nozzle A dispensing nozzle method and apparatus is provided that may help in reducing the number of defects in integrated circuits during the manufacturing process. In one embodiment, the nozzle is configured such that at least a portion of the end of the nozzle that dispe... | 02/19/2008 |
| 7322556 | Pinch valve for regulating fluid flow A pinch valve for regulating fluid flow includes a close mechanism for closing a sleeve by pinching its sides together. The pinch valve also includes an open mechanism integral with the close mechanism for opening the tube by urging the sides apart. The open mechani... | 01/29/2008 |
| 7267686 | Implantable prosthetic valve A prosthetic valve for implantation within a fluid conducting lumen within a body includes an elongate generally cylindrical radially collapsible valve body scaffold defining a fluid passageway therethrough for retentive positioning within the lumen. A radially coll... | 09/11/2007 |
| 7258285 | Adjustable smooth bore nozzle An adjustable nozzle comprising a nozzle body with an inlet, an outlet, and a passageway having a smooth bore extending between the inlet and the outlet. The passageway has an inner dimension transverse to the central axis of the nozzle and a compressible wall where... | 08/21/2007 |
| 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 |
| 7244228 | Sigmoidoscope A sigmoidoscope comprises at least one disposable part, in combination with a device for insufflation of a body cavity with a medium via the sigmoidoscope, the medium being susceptible to contamination by a contaminant during use of the sigmoidoscope. The insufflati... | 07/17/2007 |
| 7226649 | Laser weldable flexible medical tubings, films and assemblies thereof The present invention provides a tubing assembly having a sidewall having a first layer. The first layer is fabricated from a first polymer blend comprising a first component of a material not thermally responsive to laser beam and selected from the group consisting... | 06/05/2007 |
| 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 |
| 7140516 | Device for large-volume containers The invention pertains to an emptying device for large-volume receptacles which consists of an auxiliary transport apparatus that is composed of at least four uprights, on the lower ends of which one respective stacking leg is arranged and in the lower end of which ... | 11/28/2006 |
| 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 |
| 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 |
| 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 |
| 7036490 | Elastomeric vapor flow control actuator A canister purge valve for regulating fuel vapor flow between a fuel vapor collection canister and an intake manifold of an internal combustion engine. The canister purge valve includes a body defining a passage extending between a first port and a second port. The ... | 05/02/2006 |
| 7032876 | Fluid valve A valve for controlling fluid flow. The valve include a support element providing a flow path, at least a portion of the flow path extending along an axis of flow through the valve. A flexible element is compressible against the support element to interrupt the flow... | 04/25/2006 |
| 7021604 | Iris valve for control of bulk solids An iris valve for controlling the flow of bulk solid materials includes a flexible cylindrical sleeve, a control ring, and a polymeric isolator disc, all sandwiched between upper and lower body members. Rotating the control ring twists the flexible sleeve in an iris... | 04/04/2006 |
| 7011286 | Bag valve The bag valve comprises an open-ended sleeve of pliant impermeable material, one end of which is removably clamped around the down-stream open end of a conduit for fluids. The other end of the sleeve, the downstream end, can be gathered into a fully or partially clo... | 03/14/2006 |
| 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 |
| 7007914 | Slurry mixer constrictor valve An apparatus and method for controlling the flow of a slurry is provided which includes using a constrictor valve on a mixing and dispensing apparatus. The constrictor valve includes a first guide plate and a second guide plate that are spaced a distance apart along... | 03/07/2006 |
| 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 |
| 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 |
| 6935618 | Valve component with multiple surface layers A sliding component, particularly a disk valve plate. The sliding component includes a multi-layer surface structure comprising a strengthening layer harder than the substrate material, and an amorphous diamond top layer. ... | 08/30/2005 |
| 6929236 | Apparatus for flow rate control The apparatus for flow rate control of a fluid provides a roller clamp having either a clamp body with a non-linear clamp body surface or a clamp body with a non-linear adjustment roller track, which, when coupled to a tube, provides a linear, or otherwise pre-deter... | 08/16/2005 |
| 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 |
| 6923421 | Flexible half sleeve style pinch valve A half-sleeve pinch valve includes a first body member and a second body member. The first body member and the second body member are connected to define a passage. A semi-circular sleeve is positioned within the passage such that a middle portion of the sleeve is a... | 08/02/2005 |
| 6918902 | Irrigation and suction valve and method therefor The in-line hand operated valve controls the flow of at least the irrigation fluid or suction to a surgical site. First and second sources provide fluid and suction to the valve. Valve body source ports communicate with the source lines and a delivery port communica... | 07/19/2005 |
| 6904935 | Valve component with multiple surface layers A sliding component, particularly a disk valve plate. The sliding component includes a multi-layer surface structure comprising a strengthening layer harder than the substrate material, and an amorphous diamond top layer. ... | 06/14/2005 |
| 6869275 | Piezoelectrically driven fluids pump and piezoelectric fluid valve A piezoelectrically driven fluid pump includes a chamber having two opposite sidewalls formed by flexible membranes, and an inlet and an outlet each regulated by a valve. Separate piezo elements are fixed to each of the membranes, to flex the membranes and increase ... | 03/22/2005 |
| 6860463 | Access valve 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 an... | 03/01/2005 |
| 6857617 | Roller pincher for setting the regulation cross-section of a flexible tubing An elongate pinch housing is provided which is U-shaped in cross-section with two sidewalls and with a web wall connecting these. A pinch roller is longitudinally displaceable in these sidewalls with an annular notch at its one circumferential corner region for form... | 02/22/2005 |
| 6840492 | Slide clamp A slide clamp includes a slot formed in a plate though which a fluid tube is mounted. The tube may be moved to a flow section of the slot or to an occluding section of the slot. Interconnecting the flow and occluding sections is a pinch zone in which the slot is nar... | 01/11/2005 |
| 6736163 | Tube valve The invention relates to a pinch valve comprising a housing (1), a sleeve (2), an actuator means (3), pinching jaws or the like valve-closing means (6). The invention is characterized in that the pinch valve has an indicator system adapte... | 05/18/2004 |
| 6682044 | Pinch valve A pinch valve for pinching closed a tube which has a linear actuator connected pivotally a pointer. The linear actuator is parallel to the tube and the end of the pointer that engages the tube is made to follow a path that is perpendicular to the tube whe... | 01/27/2004 |
