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| Number | Title | Issue Date |
| 7549440 | Valve position indicator for buried valves A valve position indicator is directly coupled to a valve shaft. The indicator has a gauge that directly indicates rotation of a valve shaft in a subterranean valve. ... | 06/23/2009 |
| 7409965 | Direct acting hydraulic trip block A direct acting hydraulic voting trip block defines three separate paths between an inlet and an outlet port. Each path is intersected by a valve cylinder. Valve pistons in each valve cylinder are configured, in the activated position, to block two of thee different... | 08/12/2008 |
| 7392817 | Water conservation safety shut-off valve The present invention is a water conservation safety shut-off valve assembly for use on locations which normally have intermittent water usage but need to indicate when there is constant water usage, such as a leak. The valve assembly has a valve body with a fluid p... | 07/01/2008 |
| 7377291 | Multiport rotary valve A multiport rotary valve has a stator with plural flow paths and a rotary valve plate having plural flow channels. The rotary valve plate defines a rotor that rotates relative to the stator to define unique plural fluid pathways from the stator, through the valve pl... | 05/27/2008 |
| 7370705 | Multiple zone downhole intelligent flow control valve system and method for controlling commingling of flows from multiple zones A production control system having a series of nested tubular members including at least one axial flow channel and at least two annular flow channels. At least one valve configured and positioned to control flow from each flow channel is provided. A producti... | 05/13/2008 |
| 7357565 | Fluid injector and mixer apparatus An improved injector which mixes a secondary fluid into a carrier fluid stream has (a) a body for directing the flow of the carrier fluid, this body having an internal wall forming a flow passage therethrough, a central axis, an inlet, an outlet, and a port for rece... | 04/15/2008 |
| 7350535 | Valve A valve apparatus (100) for use in sterile fluid transfer or isolator systems has open entry (10) and exit (11) sides and a passageway (9) for fluid between the entry (10) and the exit (11) sides. The entry side (10) ... | 04/01/2008 |
| 7337805 | Valve with adjustable stop An adjustable mechanism for a valve or actuator is provided. The adjustable mechanism cooperates with one or more pistons, which in turn cooperates with a valve element to limit the axial displacement of the valve element relative to the valve seat. The adjustable m... | 03/04/2008 |
| 7328719 | Valve state sensing module A sensing module for a fluid valve utilizes a sensor body having a sensing chamber. An extension member is fixedly coupled to a main valve element, is slidable within the sensing chamber along a first axis, and has an inclined cam surface. A plunger has a cam follow... | 02/12/2008 |
| 7314021 | Operation indicator An operation indicator is provided to indicate the open/closed status of device, e.g. a circuit interrupter operable between open and closed operating positions. The operation indicator includes two indicator members having cooperating interleaved or interlaced cons... | 01/01/2008 |
| 7302969 | Valve device for use with fuel cells A first valve body is disposed in a first opening defined in a valve housing, and a second valve body is disposed in a second opening defined in the valve housing. The first valve body is fastened to a first shaft by screws, and the second valve body is fastened to ... | 12/04/2007 |
| 7285296 | Process for enriching extracts of natural theanine An adjustable resistance valve for a cerebrospinal fluid shunt system includes an actuator for allowing the selection of the resistance to flow of the valve, a device for selecting at least one passage traversing across the valve, and a resistance system. The resist... | 10/23/2007 |
| 7273067 | Reduced profile electromechanical valve actuator A relatively small, lightweight valve actuator assembly that can withstand relatively high levels of vibration and shock includes a motor, a position sensor, and a drive belt mounted on an actuator housing assembly. The position sensor is preferably disposed within ... | 09/25/2007 |
| 7264018 | Pressure regulator A variable device for regulating the outlet pressure of a fluid from a valve body, includes a pressure-sensing chamber having a wall formed by a resilient self-restoring diaphragm which is responsive to pressure in the chamber. A valve element connected to the diaph... | 09/04/2007 |
| 7258781 | Single-use long-life faucet-mounted water filtration devices Single-use long-life faucet mounted water filtration devices are disclosed. A bathroom water filtration device having two outlets for filtered water is disclosed. Additionally, a fountain head is included for use in the bathroom water filtration device. The water fi... | 08/21/2007 |
| 7243684 | Flow dividing device for gardening pipes A flow dividing device for gardening pipes includes a main body having a plurality of mounting studs, and a plurality of water control switches each mounted on the respective mounting stud. Each of the water control switches includes a control valve, an operation kn... | 07/17/2007 |
| 7216672 | Flow dividing device for gardening pipes A flow dividing device for gardening pipes includes a main body, and a plurality of water control switches each mounted on the main body. Each of the water control switches includes a movable member, a push member, a control knob, a universal connector, a pivot seat... | 05/15/2007 |
| 7213606 | Valve device, a unit for unloading loose materials from a dispenser device to a user unit comprising the valve device and a method for unloading loose material from a dispenser device to a user unit A valve device comprises a pipe, a first closing element, mobile between a first position in which it leaves the pipe open and a second position in which it seals the pipe closed, a second closing element, mobile between a first position in which it leaves the pipe ... | 05/08/2007 |
| 7213613 | High-flow dual poppet valve having equalized closing forces A dual-poppet valve comprising a valve body having spaced-apart coaxial valve seats and being arranged such that first and second poppets both open into the primary chamber. A first pintle shaft engages the first poppet, and a second pintle shaft engages the second ... | 05/08/2007 |
| 7207351 | Switching valve with position detecting mechanism In a switching valve containing a valve member for opening and closing a valve seat and a piston for driving the valve member by the action of a pilot fluid pressure inside a valve housing, a magnet for positional detection is attached to the piston, two sensor atta... | 04/24/2007 |
| 7191800 | Fluidic control system A fluid power controller device comprises a plurality of valve modules arranged sequentially in a row direction and collected together as an array-like unit, such modules comprising respectively a principal valve having at least one moving valve member and at least ... | 03/20/2007 |
| 7191797 | Rotary distribution apparatus A rotary distribution apparatus includes a fixed inner distribution member (12) with inner conduit zone; a rotatable distribution member (16) rotatable about the fixed inner distribution member; a plurality of fluid distribution chambers (18) lo... | 03/20/2007 |
| 7155989 | Test port A test port assembly and method are utilized for returning air characteristics within a closed chamber. The test port assembly is positioned in an exterior wall or panel and as required the test port is opened by removing a threaded cap. A thermometer can then be in... | 01/02/2007 |
| 7137408 | Universal valve switch A universal valve switch for signaling the operative state of a valve assembly is disclosed that is attached to the body of the valve assembly using a bracketing arrangement. The valve switch comprises a housing defining a chamber and an aperture formed through the ... | 11/21/2006 |
| 7134449 | Flow control valve with device for indicating the status of a fluid, particularly for gas containers A valve body is provided with at one end with a threaded shank for hermetic coupling to a gas container. The valve body is further provided with a handwheel incorporating a gas status indicator device. That device includes a spring-loaded plunger having a head and a... | 11/14/2006 |
| 7128093 | MEMS fluid ejection device configured for detecting a fault condition A microelectromechanical fluid ejection device configured for detecting a fault condition is provided. The device comprises a mechanical actuator, drive circuitry and a switch device. The actuator is displaceable upon receipt of an electrical current from the drive ... | 10/31/2006 |
| 7121527 | Intercept valve for spray guns for water cleaner apparatus The spray gun is subdivided into a first body (4), in ternally of which a cavity (6) is afforded, and a second body (5) which is perpendicular to the first body (4) and internally afforded a through hole (25) communicating with the... | 10/17/2006 |
| 7121525 | Method of determining a clearance A method of determining timing clearance between a valve stem and a moving member using an electromagnetic actuator comprising electromagnets, an electromagnet for moving the moving member from a closed position towards an open position and an electromagnet for movi... | 10/17/2006 |
| 7114520 | Pressure regulator A variable device for regulating the outlet pressure of a fluid from a valve body, includes a pressure-sensing chamber having a wall formed by a resilient self-restoring diaphragm which is responsive to pressure in the chamber. A valve element connected to the diaph... | 10/03/2006 |
| 7114511 | System and method for a mass flow controller A system and method for controlling a mass flow controller to have a constant control loop gain under a variety of different types of fluids and operating conditions, and for configuring the mass flow controller for operation with a fluid and/or operating conditions... | 10/03/2006 |
| 7066441 | Flow restrictor A device for controllably restricting flow through a resilient tube including a block and a pair of generally J-shaped leg members pivotally mounted to the block. The leg members, when pivoted together, together provide a tube support surface. The block is formed wi... | 06/27/2006 |
| 7066202 | Indicator-equipped flow regulating valve An indicator-equipped flow regulating valve includes a valve body through which a fluid flows, a connecting body connected to an upper portion of the valve body, a housing connected to an upper portion of the connecting body, a piston arranged in the connecting body... | 06/27/2006 |
| 7063093 | Manual carwash nozzle structure A manual carwash nozzle structure includes a grip body, a barrel member, and a spray nozzle. The barrel member is formed of a connection body, an adjustment valve, and a detergent container. The connection body is provided with a water inlet in communication with a ... | 06/20/2006 |
| 7055539 | Electromagnetic valve control device and method A normally closed electromagnetic valve is closed again after temporarily being opened during an abnormality check of the valve. When the valve is opened, electricity is supplied so that a plunger is moved by a coil but a back face of the plunger does not abut again... | 06/06/2006 |
| 7036789 | Distribution valve comprising a flowmeter for installing in an inlet A distribution valve having a flowmeter for use in a flow pipe of a hot water heating circuit. The distribution valve has a branch line and an adjusting and measuring unit for adjusting and displaying the flow rate through the branch line with the elements being scr... | 05/02/2006 |
| 7028605 | Audible signal valve knob with timer A signal generating valve and timer assembly includes a valve slide and a controller. The controller is coupled to the valve and is adapted to engage the valve to move the valve from a first position to a second position. The valve generates a first signal in at lea... | 04/18/2006 |
| 7025088 | Providing an indication of the position of a valve member A method of providing an indication of the position of a valve member of a valve in a fluid path where the valve member is moveable between a fully open position in which a maximum flow of fluid past the valve member is permitted and a closed position in which fluid... | 04/11/2006 |
| 6981915 | Airflow volume control system A control system for controlling airflow through a vent. The system includes a vent assembly having a frame. The frame includes an opening to allow air to flow through the frame. The vent assembly also includes a movable damper for variably restricting the fluid flo... | 01/03/2006 |
| 6959837 | Dual piston/poppet flow switch A dual piston/poppet valve in a fuel dispenser works with a two-stage valve to help eliminate errors from an inferential flow meter. When the two-stage valve opens partially, a secondary fuel path is opened in the dual piston/poppet valve. A sensor detects the openi... | 11/01/2005 |
| 6942785 | System for automated treatment of fluids having successive and interchangeable process modules A system for automated treatment of fluids having interchangeable process modules (39, 40, 41, 42, 43), which are arranged next to each other, and which are respectively provided with a control unit and a fluid unit. The fluid unit is controlled by the contro... | 09/13/2005 |
