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| Number | Title | Issue Date |
| 7950410 | Gate valve with replaceable inserts and method of refurbishing same A gate valve includes a valve body having a cylindrical passage defining a flow path through the valve, a gate for controlling fluid flow through the valve and a replaceable wear-resistant flow-path liner for in the flow path. The flow-path liner includes a pluralit... | 05/31/2011 |
| 7891372 | Contamination and flow control The present invention is directed toward an anti-contamination arrangement for a valve having a valve housing, a bushing positioned in the valve housing, a valve member including a valve shaft and a valving portion operable for engaging a valve seat, slidably dispos... | 02/22/2011 |
| 7506660 | Gate valve with replaceable inserts and method of refurbishing same A gate valve includes a valve body having a cylindrical passage defining a flow path through the valve, a gate for controlling fluid flow through the valve and a replaceable wear-resistant flow-path liner for in the flow path. The flow-path liner includes a pluralit... | 03/24/2009 |
| 7481239 | Gate valve with replaceable inserts A gate valve includes a valve body having a cylindrical passage defining a flow path through the valve, a gate for controlling fluid flow through the valve and a replaceable wear-resistant flow-path liner for in the flow path. The flow-path liner includes a pluralit... | 01/27/2009 |
| 7445018 | Recycling furnace flow management sliding gate valve for low melting temperature metals A sliding gate valve for use within a bath of molten aluminum. The sliding gate valve includes a pair of opposed ceramic cleaner plates that sandwich a reciprocable gate body. The cleaner plates include a plurality of longitudinal slots that face the gate body. Dros... | 11/04/2008 |
| 7347221 | Solenoid valve A valve assembly comprises two valves and a single solenoid actuator with only one magnetizing coil that controls both valves. The corresponding magnetic circuit comprises a yoke with only two pole pieces. The valves are arranged concentric to one another. The valve... | 03/25/2008 |
| 7325781 | Automatic bathroom flushers with modular design A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou... | 02/05/2008 |
| 7290566 | Diverter valve with improved seal A diverter valve for bulk solids is disclosed. The valve has a single inlet and two or more outlets, preferable three. Two pivotal gate valves are used for three outlets so that one is open and two are closed. The valve includes a novel pivotal gate structure which ... | 11/06/2007 |
| 7275564 | Pigging ball valve A pigging ball valve with a housing and ball core supported for rotation within the housing. The ball core sits on a valve seat, which is supported by a seat carrier. The valve seat carrier has three distinct diameters that locate the seat in the housing and thus pr... | 10/02/2007 |
| 7232107 | Control valve having a filter screen mounted flush with a valve closure member surface A diaphragm operated valve having the diaphragm attached at its lower end to a valve closure plug, and movable therewith, and attached at its upper end to a portion of valve body that forms the pressure cavity. The diaphragm has a stepped portion between its upper a... | 06/19/2007 |
| 7231934 | Shut-off actuator with gas generation device A shut-off device, in particular for application in the extraction of natural gas and mineral oil, has a shut-off housing (3) comprising an admission channel (2) and in which a shut-off organ (4) is supported in an adjustable manner relative to ... | 06/19/2007 |
| 7219610 | Grate plate arrangement for step plates A grate plate arrangement for step grates includes box-like grate plates (4) positioned on a grate carrier (2) with a front plate (24) placed on its end wall (18) and fastened to the end wall (18) using one or more studs (26... | 05/22/2007 |
| 7204313 | Equalizing flapper for high slam rate applications A flapper valve assembly is described having an equalizing port assembly with a bleed valve member that is moveable between an open position and a closed position. The equalizing port assembly features a structural support member in the form of a retainer key that i... | 04/17/2007 |
| 7195084 | Systems and methods for storing and handling drill cuttings Vessels for selectively holding drilling cuttings material and methods employing such vessels; the vessels, in at least certain aspects, having a body with a hollow container with an interior space for receiving drilling cuttings material and from which the material... | 03/27/2007 |
| 7188822 | Enclosures for automatic bathroom flushers A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou... | 03/13/2007 |
| 7182075 | EGR system A flow control mechanism connected to the intake and exhaust systems of an engine. The mechanism may achieve recirculation of exhaust gases despite varying differential pressures or delta pressures between the systems, particularly since intake pressures may often e... | 02/27/2007 |
| 7165754 | Electromagnetic valve The invention relates to an electromagnetic valve, the valve coil of which is actuatable by an electric current for removing deposits at the valve seat and the valve closure member in such a manner that the valve closure member impinges upon the valve seat with a de... | 01/23/2007 |
| 7156363 | Bathroom flushers with novel sensors and controllers A bathroom flusher (10) includes a body having an inlet (12) in communication with a supply line and an outlet (16) in communication with a flush conduit, a valve assembly in the body positioned to close water flow between the inlet and the outl... | 01/02/2007 |
| 7146674 | Rotary probe for cleaning an internal cavity Foreign material is dislodged from a hard to reach region of an object by passing a rigid elongated tubular guide in close proximity to the hard to reach region. The upper tip of the guide is bent so that it can be directed at the hard to reach region and a wire is ... | 12/12/2006 |
| 7115221 | Method for producing graphite powder with an increased bulk density A method for increasing the Scott density of synthetic and/or natural graphite powders of any particle size distribution, preferably of highly-pure graphite, by subjecting the graphite powder to an autogenous surface treatment. The powder is used, in particular, for... | 10/03/2006 |
| 7107634 | Method and apparatus for cleaning a conduit A conduit cleaning or clearing apparatus and method has a housing assembly connectable to a pipeline. The housing has an inlet and outlet leg joined by a bight portion. A cleaning member is rotatably disposed within the housing and may be rotated from a first unobst... | 09/19/2006 |
| 7108012 | Fluid control valve A fluid control valve for the mixing of hot and cold water and delivery at a selected flow rate is described wherein an upper housing and lower housing are clamped together by a snap-fit connection thereby enclosing other fluid control valve component parts. A ball ... | 09/19/2006 |
| 7104522 | Coking-resistant shaft/bushing mechanism for an exhaust gas recirculation valve An exhaust gas recirculation valve assembly including a bushing and pintle shaft sub-assembly having a pintle shaft supported by a sleeve bushing, the contact area between the shaft and bushing being reduced such that coking deposits that form on the remaining conta... | 09/12/2006 |
| 7104523 | Valve having contamination counter-measures An anti-coking valve arrangement having a valve body that defines a passage for the flow of fluid medium. Valve seat and valve member positioned within the valve body and function to control the flow of fluid medium. A first anti-coking device is operably associated... | 09/12/2006 |
| 7086416 | Valve assembly having a compensating gate Methods and apparatus for selectively blocking or redirecting flow with a valve that compensates for misalignment between a seat and a gate are disclosed. In one aspect, a valve includes a gate having two discs spaced from one another, first and second seats within ... | 08/08/2006 |
| 7080960 | Apparatus and method for transporting waste materials An apparatus for transporting solid waste drill cuttings material produced in the drilling of an oil or gas well, the apparatus including: a waste supply apparatus; a feeder to transport the material; a pneumatic conveying apparatus to which the material is transfer... | 07/25/2006 |
| 7069945 | Cartridge relief valve with improved stability A cartridge relief valve uses a piston design. The piston replaces a tube used in prior art relief valves. The piston makes the inventive relief valve easier to manufacture and more stable than prior art relief valves. This is due to the fact that, for a given size ... | 07/04/2006 |
| 7044153 | Varnishing installation A varnishing installation includes a varnish line with an inlet end, an outlet end and an auxiliary device. The auxiliary device is connected through a valve arrangement to the varnishing line and the valve arrangement is scrapeable. ... | 05/16/2006 |
| 7028701 | Particle build-up prevention in flowing systems A system serves to prevent or remove particle build-up in flowing systems, wherein a fluid flows in a conduit to a valve body. A mechanical shock is periodically generated in the valve body that is of a sufficient magnitude to disturb any particle attachment in the ... | 04/18/2006 |
| 7004453 | Pendulum valve with a full range of position control Embodiments of the present invention provide a pendulum valve with a full range of normal position control. The pendulum valve can include a valve housing having a flow channel, and a valve body that is movable within the valve housing between a fully open position ... | 02/28/2006 |
| 7000468 | Electronic level gauge Disclosed is a fluid level gauge for sensing the level of fluid in a dispenser. The level gauge includes an inlet port communicating with the fluid and a check valve in communication with the inlet port. The check valve includes a membrane which allows air to pass. ... | 02/21/2006 |
| 6997041 | Dual slide gate valve and method for using same A method and device for pressure testing a pipe line is provided wherein a fitting is inserted into the pipeline by inserting male ends of the pipeline into female ends of the fitting to define a flow path through the fitting extending along a longitudinal axis. The... | 02/14/2006 |
| 6969044 | Apparatus for controlling a fluid discharge An apparatus for controlling a fluid discharge through an opening in a conduit includes a conduit section, conduit inlet, conduit interior, conduit exterior, and a conduit outlet or opening having a continuously curved perimeter surface with oppositely disposed conc... | 11/29/2005 |
| 6957659 | Sliding disk valve for pneumatic conveyance of abrasive material A linear actuated disk valve for a fluid conveyance system constructed with a valve body having an internal chamber and a passage through the valve body, the valve body having opposite ends with external connectors that continue the passage and that are connectable ... | 10/25/2005 |
| 6945268 | Particle build-up prevention in flowing systems A system serves to prevent or remove particle build-up in flowing systems, wherein a fluid flows in a conduit to a valve body. A mechanical shock is periodically generated in the valve body that is of a sufficient magnitude to disturb any particle attachment in the ... | 09/20/2005 |
| 6936092 | Positive pressure drilled cuttings movement systems and methods Methods for moving drilled cuttings, the methods, in certain aspects, including conveying with air under positive pressure, drilled cuttings to flow conduit apparatus; applying air under positive pressure to the flow conduit apparatus to continuously move the drille... | 08/30/2005 |
| 6915896 | Cleaning drain apparatus for an auger assembly A drain apparatus for the intake end of an auger is disclosed. The drain apparatus comprises a bearing with radial arms, a cover with a cover portion, a drain and a drain cap for removably closing the opening of the drain. The drain apparatus facilitates a clean in ... | 07/12/2005 |
| 6908070 | Cylinder valve insert A valve insert for a cylinder valve for connecting an LPG tank to a gas consuming appliance has a body member mounted in the outlet end of the cylinder valve and a valve element slidable in the body member and cooperable therewith to control the flow of gas from the... | 06/21/2005 |
| 6854478 | Fluid-controlled valve for pipeline pig A fluid control valve for a pipeline pig includes a main valve and a mechanism for operating the main valve. The main valve comprises a valve body communicated to a fluid pipe, a main valve core movably disposed in the inner chamber of the valve body, and a main val... | 02/15/2005 |
| 6789780 | Unit and method for discharging loose material from a dispensing device A unit for discharging loose material from a dispensing device to a user unit comprises a discharge tube leading to the user unit and a valve element connecting the dispensing device to the infeed end of the tube. The valve element comprises a first annular element ... | 09/14/2004 |
