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| Number | Title | Issue Date |
| 8186371 | Method of assembling a ball valve A ball valve includes a valve element and a single piece packing that seals the valve element within a valve cavity. The single piece packing is installed over the valve element at room temperature or may be molded thereon. The valve element may include a flow contr... | 05/29/2012 |
| 8166994 | Ball for valves and production method A ball (1) for valves is described, comprising a substantially ball-shaped body (2), a hole (4, 5) bored in the body (2) for fluid flow passage between the entry and exit of the valve, and a slot (10) cut into the body (2) t... | 05/01/2012 |
| 7836909 | Rotatable wedge valve mechanism and method for manufacture A rotatable wedge valve mechanism has a valve body or valve cartridge defining a valve chamber and flow ports in fluid communication with the valve chamber. A valve seat is located within the valve chamber in registry with one of the flow ports. A non-rotatable core... | 11/23/2010 |
| 7793679 | Drain valve A drain valve and method for assembling a drain valve. A valve assembly is inserted into a pipe, and a reduced diameter portion is formed in the pipe to create a substantially water-tight seal between a portion of the valve assembly and the pipe. A second reduced di... | 09/14/2010 |
| 7484523 | Rotatable wedge cartridge valve mechanism and method for assembly and disassembly A rotatable wedge cartridge valve has a cartridge body defining a cartridge chamber of a defined internal width having flow ports in communication with the cartridge chamber. A rotatable wedge valve cartridge assembly is removeably positioned within the cartridge ch... | 02/03/2009 |
| 7367354 | Check valve A check valve includes a housing formed with a valve hole through which fluid flows, a valve seat formed on the peripheral wall of the valve hole, a valve element disposed in the valve hole to be movable between a valve closed position where the valve element makes ... | 05/06/2008 |
| 7357145 | High-pressure, hemi-wedge cartridge valve A valve having a cartridge that fits within the valve housing and that may be replaced without removing the valve housing from adjoining equipment. The cartridge contains a wedge having curved surfaces and a driver to rotate the wedge from an open to a closed positi... | 04/15/2008 |
| 7350536 | Vacuumized receptacle for sample collection A portable receptacle is vacuumized for use in taking an air or gas sample for subsequent examination to determine type, origin, components of the air or gas. Critical to a long shelf life of the vacuumized receptacle is a valve which virtually seals the receptacle ... | 04/01/2008 |
| 7350534 | Hollow ball valve assembly Apparatus and methods for constructing a valve comprising a sealing member and a hollow ball operable to sealingly engage the sealing member. A guide housing disposed about said hollow ball and does not constrain rotation of said hollow ball. A spring is disposed be... | 04/01/2008 |
| 7337797 | Ball valve and method of manufacture A ball valve having a ball valve assembly disposed within a unitary, elongated tube is provided. The unitary, elongated tube has a first, inlet end, a medial portion having a cross-sectional area, and a second, outlet end. The first, inlet end is a swedged tube havi... | 03/04/2008 |
| 7306010 | Ball valve with snap-in stem A ball valve has a ball with resilient, opposed facing spaced-apart locking arms which engage a stem having outwardly projecting flanges to allow the stem to be inserted externally into the valve body and snap-locked to the resilient opposed locking arms of the ball... | 12/11/2007 |
| 7290560 | Valve cover locking system An apparatus and method to assemble and disassemble a valve cover locking screw assembly for a reciprocating pump module block. The module block has a bore, a removable valve cover closing the bore, and a valve cover locking ring securable to the block and surroundi... | 11/06/2007 |
| 7234682 | Ball valve and method for production thereof The invention provides a ball valve excelling in economy due to the efforts devoted to the reduction of cost, enjoying light weight and high reliability, manifesting high and uniform accuracy, and enabling manufacture of compact finished products having a small inte... | 06/26/2007 |
| 7210494 | Valve and method for producing a valve A valve and a method for producing a valve, in particular for coolant circuits, having a valve seat (2) including a valve seating element (1) for a valve body (3) by stamping the pole shoe to form at least one sealing surface (8) to avoid... | 05/01/2007 |
| 7195229 | Automatic sampler In a direct injection type automatic sampler, a sampling needle having a liquid sample collected from a sample vessel by using suction force of a pump is inserted into an injection port. Then, a flow path-switching valve is rotated to switch a flow path to make a fl... | 03/27/2007 |
| 7025330 | Bar-stock ball valve A barstock body fluid control valve comprising a barstock body of preselected material having an inlet end and an outlet end, and a preselected cross section defining the outer walls; a through machined main flow port located eccentrically on the inlet and the outle... | 04/11/2006 |
| 6981512 | Tubular flow conduit with in-line integrated check valve and method of making same An integrated in-line tube and check valve assembly fabricated by end-form mandrel expanding an outlet end portion of deformable tube stock, such as metal, of nominal starting diameter, and concurrently end-forming a valve seat on the inside of the expanded tube sec... | 01/03/2006 |
| 6971353 | Camshaft adjustment control device In a camshaft adjustment control device for an internal combustion engine arranged in the drive train for a camshaft, with an inner body connected to the camshaft and an outer body rotatable relative to the inner body, and a control space between the inner and the o... | 12/06/2005 |
| 6957127 | Dynamic current-to-pneumatic converter and pneumatic amplifier A dynamically balanced pneumatic relay amplifier and a current-to-pneumatic converter are disclosed. The relay has a balance plug, a supply plug positioned on top of the balance plug, a bead chain connecting the balance plug and the supply plug, and a vent plug posi... | 10/18/2005 |
| 6916011 | Ball valve and production method therefor The invention provides a ball valve excelling in economy due to the efforts devoted to the reduction of cost, enjoying light weight and high reliability, manifesting high and uniform accuracy, and enabling manufacture of compact finished products having a small inte... | 07/12/2005 |
| 6832623 | Gas meter valve and method Disclosed is a gas meter valve for connection to an outlet of a gas meter and a method for its use. The gas meter valve comprises a valve inlet coupleable to the meter outlet, a valve outlet coupleable to piping for supplying gas to a customer and a valve body coupl... | 12/21/2004 |
| 6681793 | Top-entry ball valve assembly having camming surfaces A top-entry ball valve assembly that includes top and bottom camming plates which are coupled to top and bottom shoulders of the ball valve member. The camming plates include a first pair of opposing camming corner-surfaces to displace the spring-biased v... | 01/27/2004 |
| 6648001 | Valve with seat assembly A rotary plug valve is disclosed in a preferred embodiment that has two telescoping seat assemblies that fit into respective recesses provided in the valve body surrounding a passageway through the plug valve. A valve chamber is formed in the valve body i... | 11/18/2003 |
| 6640826 | Systems and methods for servicing ball valves A temporary ball valve support structure is utilized to apply pressure to the ball in a ball valve so that a seal is maintained between the ball and the upstream seal member in the ball valve to prevent fluid from leaking from the valve while the valve is... | 11/04/2003 |
| 6460559 | Valve having ceramic components and associated fabrication method A valve for controlling the flow of a fluid comprises a housing, a flow-control element disposed within the housing, at least one seat operably engaging the flow-control element, and a biasing device for urging the seat and the flow-control element relati... | 10/08/2002 |
| 6382230 | Ball valve A ball valve comprising a seat having a first opening thereon, a housing over the seat having a second opening defined by a flap having an inner and outer diameter, and a ball in the housing, the ball having a diameter great than the inner diameter of the... | 05/07/2002 |
| 6378550 | Ball valve extractor An apparatus and process for removing a ball valve is provided. The ball valve removal tool provides a handle sliding along the length of a shaft. One end of the shaft is secured within an interior cavity of a ball valve while the opposite end of the shaf... | 04/30/2002 |
| 6325357 | Three-way valve structure The invention, a kind of improved three-way valve structure is to install a ball valve inside the main structure of a three-way valve. The top of the ball valve equips a clip base and the lateral sides of its opening equip guiding tracks. The bottom of a ... | 12/04/2001 |
| 6302132 | Valve assembly including gearbox A valve assembly includes a valve and a gearbox. The valve includes a valve body having a drive opening and a mounting surface adjacent the drive opening. At least one mounting bore is formed in the mounting surface. At least one rigid pin is fixed to and... | 10/16/2001 |
| 6206023 | Ball valve including seat retainer securing means and method for forming the same A valve includes a valve body defining a cavity and including a flange having an outer surface and a first element. The first element includes at least one of a recess defined in the outer surface of the flange and a projection extending from the outer su... | 03/27/2001 |
| 6041806 | Method and ball valve assembly for inserting a valve in a line A method for inserting a valve in a line, including polyethylene, PVC, plastic, and copper line, pipe, and tubing, without, for example, having to first shut down a line containing fluid under pressure, includes the step of providing first and second ball... | 03/28/2000 |
| 5975104 | Ball valve seal replacement apparatus and method While fluid pressure is present on the upstream side of a ball valve assembly, a jig is mounted to the downstream flange of the ball valve assembly. The jig has two hinged arms. A jack-screw pad engages the ball while one or the other of the arms is posit... | 11/02/1999 |
| 5941266 | Angle entry rotary valve Straight line flow rotary valves with the valve member flow passage (21) turned away from the pipeline flow axis (22), to dispose the valve internals to an access port (50) located downstream on the same flow axis of the valve member (11). Another embodim... | 08/24/1999 |
| 5595206 | Ball valve having one-piece machined seat member A ball valve having a one-piece seat member is disclosed. The one-piece seat member is cylindrically shaped to engage a valve chamber within the valve body, and includes an internal cavity for receiving a ball member, a first axial opening for receiving a... | 01/21/1997 |
| 5562116 | Angle entry rotary valve Straight line flow rotary valves with the valve member flow passage (21) turned away from the pipeline flow axis (22), to dispose the valve internals to an access port (50) located downstream on the same flow axis of the valve member (11 ). Another embodi... | 10/08/1996 |
| 5411048 | Fluid control valve with latching handle assembly A valve handle latching assembly having a selectable latching slider which engages a detent on a fluid control device such as a ball valve. During assembly, a particular slider is selected for inclusion in the final assembly resulting in a valve tailored ... | 05/02/1995 |
| 5381816 | Pressure regulator A fluid pressure regulator of compact construction including an improved diaphragm-valve assembly interposed between a flow body and a second body cap element. The flow body has an inlet and outlet passage and a valve cavity with a centrally disposed port... | 01/17/1995 |
| 5313976 | Top entry ball valve and method of assembly A top entry floating ball valve (10) and method of assembly including a downstream metal seat (62) mounted within an annular recess about a downstream flow passage (22) and an upstream metal seat (80) urged by a Belleville spring (78) into engagement with... | 05/24/1994 |
| 5311897 | Rotary control valve with offset variable area orifice and bypass A rotary control valve is provided with a variable area orifice in the control element that communicates with a bypass channel, which contains noise silencing means, when the valve is in the less than full-open position. This arrangement minimizes cavitat... | 05/17/1994 |
| 5286129 | Coupling device and methods of coupling Coupling devices have a housing comprised of first and second housing parts together forming an interior cavity which houses a rotatable coupler, preferably comprised of first and second coupler segments, the device being coupled or not depending upon the... | 02/15/1994 |
