| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 251315160 | Ball construction | 24 |
| 20090032762 | Flow Control Ball Valve - A ball valve ( | 02-05-2009 |
| 20090045368 | Axially Energisable Ball Valve - A ball valve ( | 02-19-2009 |
| 20090242817 | Apparatus for uninterrupted flushing a well bore - The apparatus for uninterrupted flushing a well bore being drilled with a jointed drill string comprises a continuous flushing valve (CFV) and a connector for temporarily attaching a bypass line to the valve. The CFV is a ball-type three way valve in a housing adapted for including in the drill string. Inside the housing there are two axial and two side sealing seats which provide for flow only through designated paths. The plug is prevented from loosening by a spring. An operating stem is mounted to operate the valve by a wrench from outside the housing. A connector facilitates fast tying a hose of a bypass line to the side port. A securing mechanism keeps a valve ball in full open position while a CFV is in the well. | 10-01-2009 |
| 20090302259 | BALL FOR VALVES AND PRODUCTION METHOD | 12-10-2009 |
| 20100140522 | Separable Ball Valve Apparatus and Ball Valve Assembly - A separable ball valve apparatus and ball valve assembly capable of selectively opening/closing a separable flow path are provided. The separable ball valve apparatus comprises a separable pipe member having a flow path through which fluid flows, a ball member having at least two balls disposed in the pipe member, opening and closing the flow path, and adjacent to each other, and an opening/closing member configured to control the ball member to open/close the flow path, wherein the balls have through-holes, respectively, and the opening/closing member includes a gear train configured to control the opening/closing of the at least two balls. Therefore, it is possible to simply open/close pipes having the flow path and detachably attach the pipes, increase space utilization due to removal of a separate coupling space for attachment/detachment of the pipes, and simultaneously open/close the two pipes, which are separated from each other through one operation. | 06-10-2010 |
| 20100230624 | Ball valve with a flat mounting face - A ball valve with fluid communicating ports, namely a first port and subsequent port or ports has a valve body having faces, one of the faces namely the mounting face is generally flat, a bore on the said mounting face defines the location of said first port. A number of mounting holes are provided near the edges of the valve body, the axes of said mounting holes are generally perpendicular to said mounting face. | 09-16-2010 |
| 20110017932 | MONOBLOCK BALL VALVE AND MANUFACTURE METHOD THEREOF - A manufacture method of monoblock ball valve is based on overmoulding techniques and integral assembly of plastic components inside the injection moulds, in a sequential manufacturing process, wherein the component which is injected in the first stage of the process will be sequentially introduced in moulds which will in turn inject other components, thus resulting in the end in a single body that ensures the functional features of a piece obtained by several components' assembly. The hydraulic ball valve according to the invention comprises at least the following components: a ball filling element or valve filling core with a valve control stem,—a ball that involves the ball filling element; a sleeve-type sealing element, which covers the entire ball and the whole interior part of the valve body, and a valve body. | 01-27-2011 |
| 20110073793 | Flow Control Hemispherical Wedge Valve - A hemi-wedge control valve is disclosed that includes an opening in the hemi-wedge valve member. The opening is provided with a notch in its leading edge to allow for controlled flow as the valve is initially opened. | 03-31-2011 |
| 20110140025 | BI-DIRECTIONAL SEALING BALL VALVE - Embodiments and methods are disclosed herein that relate to a valve assembly. The valve assembly includes a housing having a passage formed therethrough, and a valve ball having a through hole and disposed in the housing, in which the valve ball is rotatable between an open position that has the through hole aligned with the passage and a closed position that has the through hole misaligned with the passage. The valve assembly further includes a seat having a first tapered surface and disposed in the housing adjacent to the valve ball, wherein the seat is biased towards the valve ball, and a seat holder having a second tapered surface and disposed in the housing adjacent to the seat such that the first tapered surface of the seat is disposed adjacent to the second tapered surface of the seat holder. | 06-16-2011 |
| 20110180739 | STEMLESS BALL VALVE - A stemless ball valve comprising: a right flange; left flange; ball with an axis pin and two travel pins; ball seal on either side of the ball; guide sleeve with inner walls comprising two channels; cartridge guide holder; inner magnetic cartridge; and outer magnetic cartridge. The ball is situated inside of the guide sleeve, and a travel pin is located in each of the two channels. The guide sleeve is situated inside of the cartridge guide holder, which is located adjacent to and outside of the inner magnetic cartridge and secured to the inner magnetic cartridge such that when the inner magnetic cartridge rotates, the cartridge guide holder also rotates. The cartridge guide holder is secured to the guide sleeve such that when the cartridge guide holder rotates, the travel pins move within the channels in the inner walls of the guide sleeve, thereby causing the ball to rotate. | 07-28-2011 |
| 20110198527 | AXIALLY ENERGISABLE BALL VALVE - A ball valve ( | 08-18-2011 |
| 20110266484 | Floating Ball Valve Seal With Bellows and C-Seal - A seal assembly is provided for a rotary ball valve having a top-mounted bonnet, thereby allowing the seal assembly to be installed and removed without removing the valve from the pipeline. In an embodiment, the seal assembly may include a seal ring disposed within the valve interior and biased toward the ball element of the valve. A seal carrier may be disposed between the seal ring and the valve body, and the seal carrier may be removably secured to the valve body by a plurality of bolts disposed in the valve interior. A primary leak path may exist between the seal ring and the seal carrier and a secondary leak path may exist between the seal carrier and the valve body. A bellows seal may prevent fluid flow through the primary leak path, and an auxiliary seal may prevent fluid flow through the secondary leak path. | 11-03-2011 |
| 20110278487 | BALL VALVE - A ball valve having a cam element, and a ball having a left arm and a right arm with a slot between each arm. A terminal portion of each arm is positioned adjacent the cam element. The cam element is shaped so that, when the ball is rotated from the open condition to the closed condition, the cam element forces the arms through three distances of separation. A first distance, when the ball has undergone no rotation from the fully open condition. A second distance, when the ball has undergone some rotation from the fully open condition towards the closed condition but has not reached the closed condition. A third distance in which the ball has undergone rotation to the closed condition. The third distance is greater than the first distance, and the second distance is greater than the third distance. | 11-17-2011 |
| 20120168661 | BALL SEGMENT VALVE - A ball segment valve for controlling fluid flow in a piping, includes a valve housing with a valve seat disposed therein, a tubular bearing body fitted to an upper axial opening of the valve housing, a rotating spindle inserted through the bearing body into the valve housing, a tightening sleeve unit sleeved on the spindle to ensure full engagement of the spindle with the bearing body, a journal member inserted through a lower axial opening into the valve housing, and a valve body having upper and lower lugs coaxially fitted to the spindle and the journal member, and a spherical segment having a convex outer spherical surface and rotated with the spindle between a fully closed position, where the spherical surface is in sealing contact with the valve seat, and a fully opened position to permit a full fluid communication of the valve housing. | 07-05-2012 |
| 20120319023 | SOLIDS PROCESSING VALVE - A dome valve selectively dispenses a silicon product from a chamber of a vessel. The dome valve comprises a valve body defining a pass-through channel in communication with the chamber of the vessel to allow the silicon product to exit the vessel. The dome valve also comprising a valve seat defining an opening through which the silicon product enters the pass-through channel. The dome valve further comprising a domed body having a semi-hemispherical configuration. The domed body has a sealing surface. The domed body is rotatable between a closed position and an open position for allowing the selective dispensing of the silicon product from the vessel. | 12-20-2012 |
| 20130001455 | Ball Valve with Offset Straight Through Flow - A ball valve with offset straight through flow is provided. The ball valve has a housing having an inlet and an outlet and an internal cavity. A non-spherical ball valve member is positioned within the internal cavity. The valve member is mechanically coupled to a valve stem extending from the internal cavity to an exterior of the housing such that rotation of the valve stem results in a like rotation of the valve member. The ball valve has a fully closed position wherein fluid flow therethrough is prevented. The ball valve member also has a fully opened position where fluid flow therethrough is allowed. The ball valve can transition from the fully closed position to the frilly opened position and vice versa with a rotation of the valve member of less than or equal to about forty-five degrees. | 01-03-2013 |
| 20130015384 | BALL VALVE HAVING MULTIPLE MOVEABLE SEATS - Embodiments and methods are disclosed herein that relate to a valve assembly. The valve assembly includes a housing having a passage formed therethrough, and a valve ball having a through hole and disposed in the housing, in which the valve ball is rotatable between an open position that has the through hole aligned with the passage and a closed position that has the through hole misaligned with the passage. The valve assembly further includes a first seat having a first sealing surface and disposed in the housing adjacent to the valve ball, and a second seat having a second sealing surface and disposed in the housing adjacent to the first seat such that the first sealing surface of the first seat is disposed adjacent to the second sealing surface of the second seat. At least one of the first sealing surface of the first seat and the second sealing surface of the second seat comprises an arcuate surface. | 01-17-2013 |
| 20130153805 | FLUID FLOW CONTROL VALVE WITH FLOW METERING - An exemplary embodiment of a flow control valve having a secondary flow metering feature includes a rotating component which provides a primary flow control function. The rotating component rotates about an axis, and can be used to open or close the valve, typically with a 90 degree rotation of the rotating component by a handle or actuator. The valve includes a secondary flow metering function, by selectively varying the cross-sectional flow passage area through the rotating component. The rotating element may be a spherical ball, a non-spherical ball, or other component configuration which rotates about an axis, such as a conical configuration. | 06-20-2013 |
| 20140054483 | BALL VALVE - The disclosed embodiments include ball valves having integrated seats. The integrated seats are included in a ball body assembly of a valve body. The ball body assembly may rotate with respect to the valve body to open or close the valve. The integrated seats may contact walls of a bore to sealingly close the valve. | 02-27-2014 |
| 20140097371 | PIGGING BALL VALVE - Improved ball valve or pig valves with stems having higher stress yields are disclosed. Additionally, a method of changing using the same stem in a ball valve or pig valve in a low pressure application or a high pressure application is disclosed. Furthermore, a method of ensuring a correct stem is matched to a correct ball of a ball or pig valve is disclosed. | 04-10-2014 |
| 20140209828 | FLOW CHARACTERIZING DEVICE AND BALL VALVE WITH SUCH A FLOW CHARACTERIZING DEVICE - A flow characterizing device ( | 07-31-2014 |
| 20140231690 | DOUBLE OFFSET BALL MEMBER USABLE IN BALL VALVES AND OTHER FLOW CONTROL APPLICATIONS - Ball valves and ball valve components usable to control the flow of fluids and methods for manufacturing said ball valve components. Ball valves include a ball member comprising two curved segments of like shape and size, which are integrally joined and disposed symmetrically to one another relative to the axis of rotation of the ball member. A bore extends through the joined first and the second curved segments, wherein the first end of the bore is located on the first curved segment and the second end of the bore is located on the second curved segment. Each curved segment is disposed symmetrically to one another, relative to the axis of rotation. The area of separation, between the curved segments, defines shoulders of like configuration, wherein each shoulder is located symmetrically with respect to the other relative to the ball member's axis of rotation. | 08-21-2014 |
| 20140264127 | VALVE DEVICE - A passage forming portion has a first opening of a first passage. A valve element has a second passage of a second opening and a slidable surface slidable relative to an opening periphery of the first opening. The valve element rotates to increase an overlap region, in which the first opening overlaps with the second opening, to communicate the first passage with the second passage to increase a flow quantity of fluid between the first passage and the second passage. A flow quantity retention unit is equipped in the valve element to retain the flow quantity constantly regardless of a rotation angle in a range from an angle, at which the slidable surface starts to open the first opening, to a predetermined rotation angle. | 09-18-2014 |
| 20150308576 | Integral Plastic Ball Valve for Fluid Transmission And Manufacturing Process - The inventive concept relates to a completely integral ball valve manufactured by an injection fusing molding process. The device comprises a valve core, a valve housing, a valve control handle, and inlet/outlet flow pipes, all forming an integral structure. The valve core is the primary component of the ball valve, and is comprised of a spherical enclosure, a valve ball, left and right leakage seal rings, a spherical enclosure cap, a valve stem affixed to the valve ball, and a valve handle. The valve core, valve housing, and left and right intake/outflow pipes are integrally assembled by injection molding. The injection fusion molding process gives the ball valve higher flexion strength and greater durability as compared to the typical sweat soldering process. Precisely dimensioned mold sections ensure the accuracy of dimensions, fittings, and tolerances of the ball valve components during the injection fusing molding. | 10-29-2015 |
