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| Number | Title | Issue Date |
| 7931253 | Quick coupling and uncoupling tube assembly A coupling assembly for joining two fluid conduits together, consisting of a female component and a male component. Female component integrally construction of resilient material has a portion for snugly mating with a male component on one end, another portion for a... | 04/26/2011 |
| 7429030 | Variable radial flow rate control system A variable radial flow rate control valve including a body forming a bore along the longitudinal axis thereof for transporting a fluid through the body, a fixed choke member fixedly positioned about the bore, the fixed choke member forming a fixed aperture, a rotati... | 09/30/2008 |
| 7367405 | Electric pressure actuating tool and method Disclosed herein is a downhole tool actuation arrangement. The arrangement includes a housing having a chamber, at least one piston in operable communication with the chamber and at least one electrode exposed to the chamber. The electrodes are receptive to a power ... | 05/06/2008 |
| 7273550 | Filter assemblies with valves A filter assembly may include a valve which includes a valve member. The valve member moves between a first position and a second position and the valve is opened and closed. ... | 09/25/2007 |
| 7258323 | Variable radial flow rate control system A variable radial flow rate control valve including a body forming a bore along the longitudinal axis thereof for transporting a fluid through the body, a fixed choke member fixedly positioned about the bore, the fixed choke member forming a fixed aperture, a rotati... | 08/21/2007 |
| 7147203 | Fluid control Fluid control apparatus and method of controlling fluid flow. The fluid control apparatus comprises an elongate tube having a first flow opening at an end of the tube and at least one second flow opening along the length of the tube, and a sleeve arranged to slide a... | 12/12/2006 |
| 6929241 | Hydraulic valve and a liquid flow system This invention relates to a hydraulic valve (10) and an interconnected hydraulic valve system, (10, 12). Two coaxially disposed pipes (14, 20) are positioned vertically to form an annular space (11) there between. A flange (22) pro... | 08/16/2005 |
| 6926251 | Free-floating diaphragm flow control valve A free floating diaphragm flow control valve includes concentric inner and outer bodies, where a partition plate divides the inner body into two equal inlet and outlet chambers. A cylindrical cavity, concentric with the inner and outer cylindrical bodies, provides s... | 08/09/2005 |
| 6913244 | Urinary slide valve A valve for controlling fluid flow through a flow passage. The valve includes a tubular valve body defining a longitudinal axis and having an interior surface and an exterior surface. The valve body defines first and second valve ends and a tip portion is supported ... | 07/05/2005 |
| 6612547 | 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... | 09/02/2003 |
| 6230691 | Secondary fuel pump assembly for a fuel tank A secondary fuel pump assembly for a fuel tank in a vehicle includes a reservoir adapted to be disposed in the fuel tank having a top defining an overflow fuel level of the reservoir. The secondary fuel pump assembly also includes a conduit conducting ret... | 05/15/2001 |
| 5931186 | Fluid flow control valve and actuator for changing fluid flow rate A fluid flow control valve and actuator therefor for changing fluid flow rate. A fluid flow control valve comprises a housing having a bore and an inlet and an outlet which form a flow passage through the housing. The valve also comprises a piston mounted... | 08/03/1999 |
| 5921262 | Apparatus and method for collection and transfer of a liquid There is provided an apparatus and method for the collection and transfer of a liquid, which is preferably waste oil. The apparatus includes a tank having a top opening with a hollow tube projecting from the top opening into the interior of the tank. A ho... | 07/13/1999 |
| 5782455 | Valve A valve has an elongated body open-ended, with a bore with a center line extending from one end of the body to the other. The bore is interrupted by a fluid tight partition, on both sides of which, ports extend through the wall of the body. An elliptical ... | 07/21/1998 |
| 5758866 | Quick connector A quick connector including a casing, a coupling member mounted in the casing, a control member fastened to the casing at one end through a screw joint and turned to close/open the air passage through the coupling member, a first connector fastened to the... | 06/02/1998 |
| 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 |
| 5531421 | Annular dam slide valve In the annular dam slide valve there is arranged in a tube (4) a lining tube (3) which is slidingly reciprocatable in the direction of the axis of said tube (4) and which lies against the inner wall of said tube (4). An actuating device (5, 6, 7) for the ... | 07/02/1996 |
| 5448962 | Torpedo tube slide valve A torpedo tube and slide valve assembly includes a torpedo tube having a rality of circumferentially spaced slots therein and an impulse tank surrounding the torpedo tube wherein the slots provide a flow path between the impulse tank and the interior of ... | 09/12/1995 |
| 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 |
| 5071411 | Pressure-actuated valve for sealing flow conduit A pressure-actuated valve for sealing a flow conduit. The valve comprises a housing, and a tubular resilient valve carried within the housing. The tubular valve defines a lumen extending through the housing. Means are provided for varying the pressure in ... | 12/10/1991 |
| 5064101 | Five gallon nestable plastic syrup container A disposable and recyclable plastic container for use in a post-mix beverage dispensing system includes first and second openings at a top end thereof. The container may be filled with syrup through the first opening and withdrawn by a pump through the se... | 11/12/1991 |
| 5020727 | Spray nozzle trigger operated supply valve A spray gun having a trigger lever operated supply valve which includes a reciprocating hollow valve sleeve and a free floating spherical valve element to close the hollow in the reciprocating valve sleeve when the valve sleeve is in its closed position. ... | 06/04/1991 |
| 4991654 | Casing valve A casing valve includes an outer housing with a sliding sleeve. First and second seals define a sealed annulus within the housing. A latch is disposed in the sealed annulus for latching the sliding sleeve in its first and second positions. The housing has... | 02/12/1991 |
| 4975038 | Device for the injection of a plastic material into a mold A device for the injection of a plastic material in a mold having an injection head with an injection face designed to be placed in contact with the mold feeder channel. The injection head has an injection chamber supplied with plastic material by a feede... | 12/04/1990 |
| 4880411 | Disposable aspirator An inexpensive, disposable aspirator is provided with a cover of unitary construction threadable onto a container for retaining body fluids removed from a patient. Instead of sterilizing the aspirator after the removal of body fluids, the aspirator is sim... | 11/14/1989 |
| 4880059 | Sliding sleeve casing tool A sliding sleeve casing tool installed in a casing string comprising a housing, sliding sleeve, seal members and releasable retaining means to retain the sliding sleeve within the desired locations with the housing.... | 11/14/1989 |
| 4856756 | Well bottom release valve A valve assembly for draining water from a well pipe to facilitate the flushing of the pipe or to reduce its weight when removing the pipe from the well without separating the components of the pumping system which are all securely connected. The valve as... | 08/15/1989 |
| 4637471 | Tubing drain valve useful with heavy, sand-bearing oil The present invention is directed to an apparatus and method for providing a tubing drain valve suitable for use in a borehole. The present invention is particularly useful in connection with production strings employed in wells producing heavy, sand-bear... | 01/20/1987 |
| 4375870 | Centrifugal separator with valved outlets The rotor of a centrifugal separator has at its periphery a plurality of valves for discharging medium from the interior of the rotor, which interior communicates with the valves through channels. Each valve is opened by a slot through a sleeve-formed sec... | 03/08/1983 |
| 4195817 | Oxygen regulator An oxygen regulator for supplying a recipient with breathable fluid in response to an inhalation demand. A diaphragm which is responsive to the inhalation demand operates a balanced oxygen valve to allow pressurized oxygen flow into a mixing chamber. The ... | 04/01/1980 |
| 4128209 | Air gun Inexpensive air gun has body with internal fixed coaxial tubular element having closed end with radial openings. A tubular valve element is reciprocal on the tubular element to valve off the radial openings. Tubular valve element is operable by actuator f... | 12/05/1978 |
| 4124329 | Axial-flow reversible turbine An axial-flow reversible turbine comprises a nozzle assembly and a wheel rotor mounted consecutively in the direction of the flow of the working medium and provided with two-section blades. One section of said blades forms the flow duct of the direct-rota... | 11/07/1978 |
| 4022427 | Sleeve valve mandrel and seal means for indexing valve assembly A two piece valve sleeve mandrel utilizes replaceable insert seal carriers having peripheral elastomeric sealing areas thereon which may be partially or fully pressure-balanced.... | 05/10/1977 |
| 3973591 | Multi-port control valve A valve particularly for controlling the admission of fluid to sectional nozzles of a turbine has a slidable valve sleeve provided with a control face. The valve sleeve is surrounded by a stack of valve rings fixedly held in the sequentially housing. Each... | 08/10/1976 |
