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| Number | Title | Issue Date |
| 7891639 | Aligned and axially loaded pig injector valve The present invention relates to an apparatus for a flanged connection between a tubular member having a flange and a valve fitting having a valve flange and a valve body, and in particular to an apparatus for axially loading the mated threads of the valve flange an... | 02/22/2011 |
| 7347408 | High differential pressure, low torque precision temperature control valve A high differential pressure, low torque precision temperature control valve is disclosed herein. This valve is trunnionated with stem components that are separable from the plug for ease of maintenance and manufacturability and thus reducing the need to remove the ... | 03/25/2008 |
| 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 |
| 7325784 | Ball valve A ball valve includes symmetric first and second valve casings (100) and (200) which respectively have first and second ball seats (120) and (220), first and second coupling flanges (130) and (230), first and second lever re... | 02/05/2008 |
| 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 |
| 7163189 | Tapping valve of plastics material for transport and storage containers for liquids A tapping valve of plastics material for transport and storage containers for liquids, which is constructed as a flap valve or ball valve, includes a valve housing with an inlet connection connectable to an outlet connection of the liquid container and an outlet con... | 01/16/2007 |
| 7080822 | Ball valve with a single piece ball-stem and an integrated actuator mounting flange A two piece side split ball valve with internal corrosion resistant plastic lining (4, 5), with an integral actuator mounting flange (30) for easier, cheaper & direct mounting of any standard actuator, with a single piece ball-stem (3, 7) for ac... | 07/25/2006 |
| 6969047 | Ball valve seat seal A ball valve includes a body having a passageway there through with a ball member disposed in the passageway and mounted for selective rotation between valve open and valve closed positions to control fluid flow. A pair of flange grooves are provided in the body on ... | 11/29/2005 |
| 6932104 | Field configurable shut-off valve A kit of parts for configuring and assembling a shut-off valve in the field has a valve body, a plurality of connection fittings, and a plurality of gaskets. The connection fittings each have a first end with a common configuration adapted to fit into any of three p... | 08/23/2005 |
| 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 |
| 6832621 | Transmitter isolation ball valve A ball valve assembly of the quarter-turn type for use in isolating an electronic level transmitter comprising a valve body having an inner chamber, an inlet or tank-side port, an outlet or transmitter side port, a valve body axis defined by the inlet and outlet por... | 12/21/2004 |
| 6668933 | Ball valve seat and support A ball valve assembly has a lower support, an upper seat, a spherical ball, and linkages for rotating the ball. The lower support has a spherical support surface for the ball. The lower support also has a pair of guides for maintaining alignment of the ba... | 12/30/2003 |
| 6425571 | Valve and method for forming valve A valve for controlling fluid flow is provided. The valve includes an actuating stem for controlling the flow of fluid through the valve, a valve member with a positioning formation and an opening for permitting fluid flow, a valve body portion, and at le... | 07/30/2002 |
| 6240946 | Switch valve A switch valve 10 is provided with an upper body 14 having a plurality of outlet ports 20A, 20B, and 20C and a lower body housing 16 with inlet port 18. The switch valve includes a ball member 22 which is rotatable within the switch valve body 12 for sele... | 06/05/2001 |
| 6202668 | Valve with fire-resistant seal A valve with fire-resistant seal for use in industrial piping applications. The valve includes a valve body with a valve element therein. The valve is illustrated as a ball valve, but other valve configurations could also be used. A valve stem engages the... | 03/20/2001 |
| 6186476 | Shut-off valve for pipes The invention relates to a shut-off valve 1 for pipelines and/or for tanks that hold liquids. The shut-off valve 1 has two-part valve housing 3 with a passage opening 4. In the passage opening 4, there is likewise a sliding and/or rotatably supported, sph... | 02/13/2001 |
| 6095493 | High pressure valve A valve comprises a one piece valve body defining a fluid passage in which a closure member is disposed for selectively allowing and blocking fluid flow therethrough. A top entry stem extends into the valve body to transmit motion to the closure member. A... | 08/01/2000 |
| 6050289 | Spherical valve for flow control of particulate solids and gases A valve for feeding abrasive particulate material to, and removal of particulate material from a pressurized vessel, adapted to operate at temperatures above 500° C., comprises a valve structure wherein a single shutoff member of generally spherical shap... | 04/18/2000 |
| 6019349 | Ball valve assemblies A ball valve assembly has thin-walled tailpieces of a high thermal conductivity material, e.g., copper. The tailpieces are removably mounted to the body, allowing the valve body and heat sensitive components to be removed from thermal contact during sweat... | 02/01/2000 |
| 5954088 | Ball valve adapted to couple with an output drive shaft of a valve control device A ball valve includes a hollow valve body for mounting a valve ball therein. A drive transmitting stem has a proximate end coupled to the valve ball, and a distal end extending outwardly of the valve body for coupling with an output drive shaft of a valve... | 09/21/1999 |
| 5927685 | Sealing device for a valve stem of a valve A valve includes a column having an outer end portion defining a threaded bore, an outer mediate portion defining a first receiving recess communicating with the threaded bore, an inner mediate portion defining a passage communicating with the first recei... | 07/27/1999 |
| 5868378 | Throttling control in a fluid control valve A three-piece fluid control valve configuration including a valve body, a ball control member and two tailpieces that connect the valve to a pipeline and also house the ball fluid seals. Respective bearing plates with trunnion bearings are guide pin mount... | 02/09/1999 |
| 5857622 | Recirculating paint system having an improved spray gun A recirculating paint supply system supplies single or multiple paint coatings to paint spray stations arranged in parallel or series relation, each station including manually operated flexible monoline and coaxial conduits to supply paint to an improved ... | 01/12/1999 |
| 5842683 | Structure of a ball valve especially used in food processing The present invention is related to an improved structure of a ball valve especially used in food, said ball valve is a hollow valve body. A ball shape gate having penetrating channel is installed on the hollow crossing portion of said valve body. A rotar... | 12/01/1998 |
| 5772116 | Recirculating paint system having an improved spray gun A recirculating paint supply system supplies single or multiple paint coatings to paint spray stations arranged in parallel or series relation, each station including manually operated flexible monoline and coaxial conduits to supply paint to an improved ... | 06/30/1998 |
| 5634626 | Valve assembly plug and body seat improvements A valve with improved body and plug seats and methods of manufacturing the seats are disclosed. The body seat is separate from the valve body and is adhesively attached to the valve body about at least one of the valve body orifices. The body seat is adhe... | 06/03/1997 |
| 5435521 | Ball valve with rinsing action A ball valve having a body with an inlet, an outlet and a cavity containing a ball with a spherical flow passage between the inlet and the outlet. A ring supported on the body concentric to the inlet and the outlet. A seat surface is supported on the ring... | 07/25/1995 |
| 5429151 | Through-hull valve and mounting unit An integrated plumbing system comprising a plurality of interchangeable and interengagable parts which is especially useful in conjunction with boats or other marine vessels. The plumbing system includes a through-hull unit, a mounting unit, a ball valve ... | 07/04/1995 |
| 5419532 | Valve seal A design for a ball valve seat uses elastomer and a hard material such as graphite or plastic to seal both high and low pressures. The seat is ring shaped. The seal is positioned on one end. In one embodiment, a rubber O-ring is installed in an outer groo... | 05/30/1995 |
| 5271427 | Assembly for the control of pressure and volume flow of a flowable medium An assembly of a first expansion stretch, a first throttle, a second throe and a second expansion stretch have respective metal casings and elements defining the flow paths therein composed of engineered ceramics. The throttle are adjustable and the asse... | 12/21/1993 |
| 5205533 | Ball valve A valve has a housing having an inlet connection and an outlet connection d formed with a valve seat having spaced inlet and outlet ports connected to the respective connections and a valve element formed with a throughgoing passage having an upstream end... | 04/27/1993 |
| 5181539 | Ball valve In a ball valve wherein the rotation of a ball (1) provided in a valve chest (8) opens and closes a valve, an orifice (4) is provided in a passage (3) of the ball, and communicating passages (5) connecting the upstream side of the orifice (4) with the val... | 01/26/1993 |
| 5115833 | Ground hydrant with ninety-degree water flow turn-off ball valve below frost line A ground hydrant includes an elongated hollow water flow pipe positioned from above the ground to below the frost line in the ground, a flow control valve, and a housing which mounts the flow control valve at a position below the frost line in the ground.... | 05/26/1992 |
| 5104092 | Ball valve with improved sealing apparatus A ball valve adapted to be used in applications where the temperature of the liquid medium is subjected to various swings in temperature. The valve includes a valve body which is retained between a pair of end connectors to create a valve chamber therebet... | 04/14/1992 |
| 5069240 | Flexible seating structure for rotary valves A flexible seating apparatus is disclosed for use in rotary valves comprising a flexible seat ring attached to one of the valve body and valve closure member in a cantilevered fashion and maintained thereagainst by a resilient member, the latter being hel... | 12/03/1991 |
| 5064167 | Adjustable packing assembly for valve stem A ball valve (10) has a stem (36) and a packing (82) about the stem (36). A spring (85) comprises a plurality of Belleville washers (86) biased between the upper cover plate (72) and the packing (82) for exerting a compressive loading against follower (84... | 11/12/1991 |
| 4968000 | Valve A valve with a valve body (11, 43) in the form of a ball or of a segment of a ball has a second, concave, spherical sealing surface (20, 53) which is provided to be resiliently urged against a first sealing surface of the valve body, and at least an outer... | 11/06/1990 |
| 4940208 | Ball valve A ball valve (10) has a ball valve member (34) mounted for floating movement in a valve chamber (32) between an upstream metal seat (102) and a downstream metal seat (104). Each metal seat (102, 104) fits within a recess (100) and has a body portion (110)... | 07/10/1990 |
| 4936547 | Eccentric ball valve A ball valve of the type comprising a housing having a ball mounted for 90° rotation therein between open and closed valve positions utilizes a ball whose exterior surface is shaped to define two noncoaxial hemispherical surface portions of like size and... | 06/26/1990 |
| 4936546 | Flow-setting valve A flow-setting valve has a housing, a flow-guiding duct, a ceramic valve ball and a flow-regulating spindle. The flow-regulating spindle has a plurality of form-fitting elements fitting in complementary receptacles of the valve ball. At least the valve ba... | 06/26/1990 |
