...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7712725 | Drain valve assembly A drain valve assembly having a stem which can be inserted into a crankcase or other fluid reservoir, wherein the stem is connected to a housing which encloses a sealing barrel movably secured and sealed in the connected stem and housing, and wherein the sealing bar... | 05/11/2010 |
| 7614607 | Drain connector for substance processing receptacle A selectively closeable drain connector includes a hollow plunger moveable relative to an aperture-defining drain flange. The connector includes two circumferential seals between the plunger and the flange, and includes at least one passage disposed between the seal... | 11/10/2009 |
| 7438277 | Flow force compensated sleeve valve The present invention features a sleeve valve comprising an elongate body having an outer surface and including a lumen for receiving a fluid and an associated fluid pressure therein and for defining a flow path of the fluid; at least one fluid flow port formed thro... | 10/21/2008 |
| 7370673 | Self-contained isolated port A service valve for a refrigerant system comprising a valve body and a system port. The valve body has at least one fluid passage integrated therein including a longitudinal bore. An orifice is located at one end of the bore. An annular protrusion axially extends fr... | 05/13/2008 |
| 7318913 | Fluid exchange in a chamber on a microscope slide A sample chamber is formed by a housing sealed against a microscope slide. The housing has fluid ports, including a well formed over at least one port. In a rinse station, rinse solution is drawn from a reservoir through the chamber to a waste reservoir. At a fill s... | 01/15/2008 |
| 7201404 | Union nut with lock member Union nut (10) includes body (20) and lock member (50). Body (20) includes thread retaining end (30) with threads (33) for mounting upon a threaded pipe (120) and flange retaining end (40) including partial col... | 04/10/2007 |
| 7140592 | Self-sealing male Luer connector with biased valve plug A self-sealing male Luer connector for connection with a female Luer connector. The male Luer connector includes a housing having a distally-projecting tubular male body and a surrounding cuff interconnected by a proximal wall in which is formed at least one activat... | 11/28/2006 |
| 7118090 | Control valves A compact, in-line valve assembly consists of a hollow valve body, a seat, and a first diaphragm assembly including a deflectable portion forming a first volume between the seat and the first diaphragm assembly. A second diaphragm is attached to the first diaphragm ... | 10/10/2006 |
| 7044440 | Outfall valve structure conforming to ergonomics An outfall valve structure conforming to ergonomics is primarily composed of a casing, which is moveably connected with a hollow pipe. The casing is in the form of a short pipe, the exterior wall thereof is provided with a coupler with an opening provided on the bot... | 05/16/2006 |
| 7040348 | Arrangement for a single-grip mixing faucet being operated by turning only The invention relates to a arrangement for single-grip mixing faucets operated by turning only, comprising a fixed inlet disc (11) and a rotating regulation disc (16) arranged above each other forming thereby a plane seal, for regulating the amount and... | 05/09/2006 |
| 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 |
| 6959729 | Control cartridge for regulating the water flow at a water outlet of a fitting The invention relates to a control cartridge and to a fitting equipped therewith, for regulating the water flow at a water outlet of a fitting. The control cartridge comprises a first control element which is provided with passage holes and can be rotated about an a... | 11/01/2005 |
| 6874524 | Air valve capable of preventing air leakage when a connection head of an inflation device is removed In an air valve for an inflatable object, a valve body is connected sealingly to the inflatable object and defines an air passage in fluid communication with an interior of the inflatable object. A movable member is disposed within the air passage and is adapted to ... | 04/05/2005 |
| 6837272 | Piggable valve especially for a piggable paint supply line A valve for a branching and/or connecting location of a piggable line for coating material such as paint includes a valve housing for a first throughgoing line, to which at least one second line is selectively connectable, as well as a valve closure body that is spr... | 01/04/2005 |
| 6722631 | Valve device A valve device has an outer sleeve with a first end to be secured in an orifice of a container. A second end is releasably attached to a receptacle. Walls define a generally cylindrical support passage which extends from said first end to said second end. An inner s... | 04/20/2004 |
| 6705591 | Poppet valve and method of making same A poppet valve disposed in a dispensing valve assembly includes a supporting member. The supporting member has a resilient flap. A sealing member slides over the resilient flap of the support member, so that the sealing member is not damaged or permanently deformed ... | 03/16/2004 |
| 6679476 | Control valves A compact, in-line valve assembly consists of a hollow valve body, a seat, and a first diaphragm assembly including a deflectable portion forming a first volume between the seat and the first diaphragm assembly. A second diaphragm is attached to the first... | 01/20/2004 |
| 6651901 | Misting system nozzle holder with manual slide shut-off valve A misting system valve assembly comprises a conduit connectable to a pressurized fluid supply. The conduit includes a through opening. A sleeve is telescopically received on the conduit. The sleeve is adapted to support a nozzle. The sleeve has a sleeve o... | 11/25/2003 |
| 6382593 | Fluid coupling A fluid coupling for dispensing fluids, suitable for connecting a fitment disposed within a fluid source to a fluid receiving member. The fluid coupling includes a housing that defines a central passage between front and back openings and a first flow pas... | 05/07/2002 |
| 6357478 | Suction flow regulator A suction control regulator for a suction cleaner, comprising: a y-shaped housing having an inlet and an outlet, and a regulator section; a valve mount positioned in the regulator section; a valve having a stem adapted to be received in the valve mount; a... | 03/19/2002 |
| 6341762 | Service valve and use of same in reaction control system Various types of valves are disclosed, as well as the use of the same in a reaction control system for space travel vehicle applications. Multiple functions are provided by one of these valve designs by providing multiple flowpaths through the valve. An i... | 01/29/2002 |
| 6334486 | Downhole flow control devices Several downhole flow control devices are disclosed which are meterable and are also capable of shutting of a particular zone in a well. The several embodiments include a multiple valve body, a toroidal inflatable valve, and a series of related choke syst... | 01/01/2002 |
| 6264166 | Hands-free activating valve for use with liquid containers A hands-free activating valve which permits liquid to flow and be ingested by the user. The apparatus includes a mouth portion and a mounting portion which engages to the opening of a container such as a water bottle. Embedded within the mouth portion is ... | 07/24/2001 |
| 6260616 | Downhole flow control devices Several downhole flow control devices are disclosed which are meterable and are also capable of shutting of a particular zone in a well. The several embodiments include a multiple valve body, a toroidal inflatable valve, and a series of related choke syst... | 07/17/2001 |
| 6244566 | Valve assembly A valve assembly includes a poppet axially moveable in a passageway of a body member. The poppet has an annular seal sealingly engageable with a sealing abutment of the body and, when so engaged, blocks the flow of fluid between the first end of the body ... | 06/12/2001 |
| 5657791 | Control cartridge for a single-lever mixer fitting In a plumbing assembly, a control cartridge for a single-lever mixer fitting is small enough to be installed into the mouth region of a discharge arm. The shut-off elements include a first control disk, which is fixed to the fitting housing and a second c... | 08/19/1997 |
| 5568912 | Sliding flow controller having channel with variable size groove A sliding flow controller for controlling flow through a pumping segment used in a fluid delivery system. The flow controller includes a slider that travels along a channel defined by an elastomeric membrane and a variable size groove formed in a rigid co... | 10/29/1996 |
| 5450877 | Magnetically-controlled valve The valve includes a tubular body made of a non-magnetic material, a seat carried by the tubular body, a closure member disposed inside the tubular body and facing the seat, the closure member including a valve member connected to a drive ring made of a m... | 09/19/1995 |
| 5382230 | Vascular access sheath for interventional devices A vascular access sheath is provided for introducing catheters, stents, and other interventional devices into blood vessels. The invention comprises a stiff tubular catheter segment, which is designed to remain outside the body, having two hemostatic valv... | 01/17/1995 |
| 5312049 | Improved valve mechanism for a nozzle A nozzle mechanism (10) comprising a flexible barrel (13) annularly spaced about a fluid jetting tube (12) apertured as at (16) to a rear tubular portion (15), a manipulative sleeve (33) on the barrel (13), and a valve control member (24) to open and clos... | 05/17/1994 |
| 5228647 | Automatic opening, dosing and closing valve It consists of a cylindric valve body (1), with a central outer area and two threaded ends. Inside, the body (1) has an annular seat for the cylindric closing valve (2) provided with an O-ring seal (3) for this purpose. The valve (2) is mounted on a botto... | 07/20/1993 |
| 5100055 | Spray valve with constant actuating force A spray valve is disclosed for controlling and directing the flow of a fluid. The spray valve includes an integral trigger/waterway, that is movable between an open and a closed position, and a non-movable fluid seal that plugs the end of the waterway to ... | 03/31/1992 |
| 5084189 | Method and apparatus for separating fluids having different specific gravities An axial flow-type pump for separating immiscible fluids having different specific gravities and a discharge manifold fluid connected to the fluid pump for drawing of the fluid having the heavier specific gravity. The fluid pump employs a rotatable impell... | 01/28/1992 |
| 5069239 | Fluid control method and device A liquid packaging machine includes a filler containing a non-return valve spring-biased closed. The valve includes a closure member to a stem of which is fixed a centering spider, the spokes of which contain iron members. Distributed around the valve hou... | 12/03/1991 |
| 4991775 | Quick connect fountain A drinking fountain attachment for a faucet, such as a kitchen or bathroom faucet, the attachment having a tubular body portion threaded at the upper end for attachment to a downwardly extending faucet and having an orifice opening in the tubular side wal... | 02/12/1991 |
| 4915356 | Fluid valve A fluid valve permits small quantities of fluid from a container to be withdrawn with a syringe. The valve has a sleeve mounted on a hollow stem in fluid flow communication with the container. A septum is movably mounted between the bore of the sleeve and... | 04/10/1990 |
| 4903694 | Ventilating apparatus for a protective suit The ventilating apparatus for a protective suit has a portable, comparatively small housing in which a blower driven by a battery-powered electric motor is mounted. The high pressure side of the blower is provided with a plurality of different connectors ... | 02/27/1990 |
| 4872643 | Valve A valve including a primary tube, a secondary tube, a piston-like element, a pin, and a rotatable control ferrule. Two reduced diameter portions are formed on one end of the primary tube, in which the outer portion with a threaded outer surface has a smal... | 10/10/1989 |
| 4848403 | Flow-control valve A flow-control valve including a separable body and fitting which define a cavity to house a seal assembly having a rotatable seal member with flow ports and a stationary seal member with corresponding flow ports. The rotatable seal member is selectively ... | 07/18/1989 |
| 4818397 | Shut-off valve seal A shut-off valve sealing system for a removable cartridge-type filter which includes a body having an inlet to conduct fluid to be filtered therethrough to an inlet of the filter cartridge. The body has an outlet to conduct filtered fluid therethrough fro... | 04/04/1989 |