Famous Patents
In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8132786 | 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 magneti... | 03/13/2012 |
| 7971855 | Stemless ball valve A stemless ball valve comprising two flanges and a ball with a channel, two axis pins and two travel pins. One end of each axis and travel pin is fixedly attached to the ball, and the other end of each axis pin is lodged into a notch in the first or second flange su... | 07/05/2011 |
| 7887025 | Ball valve housing seat and method of securing the same to a ball valve A valve comprises a housing, an annular housing seat, and a gate. The housing comprises a fluid inlet and a fluid outlet. The housing seat is fixed in position relative to the housing via epoxy. The gate comprises a gate seat and a fluid passageway that extends thro... | 02/15/2011 |
| 7669834 | Hose end lever controlled ball spigot valve A hose end lever controlled ball valve spigot incorporating a quarter turn lever actuated ball valve having a valve housing with a 90° inlet which protrudes 180° away from the valve actuating lever so that the lever handle of the valve is exposed in a vertical pla... | 03/02/2010 |
| 7438275 | Ball valve for use in heating or cooling systems A ball valve (10), in particular for controlling the amount of medium supplied to a heating or cooling system, is adapted such that the characteristic of the valve may be determined so that it may be adapted to its use in the heating or cooling system. The ba... | 10/21/2008 |
| 7367544 | Apparatus and method for replacing existing actuator zone valves in an HVAC system with a ball valve An apparatus and method are provided for replacing existing actuator driven zone valves in an HVAC system, and particularly valves of the rubber paddle type having actuators providing less than 90 degrees of rotation, with a ball valve including a skewed seat bearin... | 05/06/2008 |
| 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 |
| 7334771 | Device for locking and/or sealing a conduit The invention relates to a blocking apparatus for blocking and/or sealing off a line for transporting—preferably hot—media, in particular dust-laden gases, preferably for blocking and/or sealing off a line for transporting hot gases which may be laden with solid... | 02/26/2008 |
| 7219877 | Continuous catalyst extraction valve with line cleaning feature A ball valve apparatus 10 for clearing an obstruction in a conduit is disclosed. The ball valve apparatus 10 incorporates a wear resistant choke tube 42 in the downstream opening 40B of the ball 36. The choke tube 42 can be ... | 05/22/2007 |
| 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 |
| 7108243 | Ball valve A ball valve includes a housing, a valve member, and a grip. The housing has a valve chamber in the center portion for containing a valve portion of the valve member consisting of the valve portion and a shaft portion extending up from the valve portion and out of t... | 09/19/2006 |
| 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 |
| 6971633 | Rotatable seal for ball valve A ball valve assembly having two end bodies selectively detachable from each other with each end body defining a fluid conveying bore is provided. A rotatable ball valve element is disposed within the end bodies and defines a central passage having an axis, with the... | 12/06/2005 |
| 6948699 | Retainer for a ball valve seat A ball valve comprises: a valve body; a pair of valve end caps; a valve ball rotatably positioned within the valve body; a pair of valve seats, each valve seat being positioned between the valve ball and a respective valve end cap and engaged therewith; and at least... | 09/27/2005 |
| 6938878 | Direct flow tap for dispensing drinks, provided with improved devices for stopping the operating handle The present invention relates to a direct flow tap for dispensing drinks, of the type with ball valve and actuated by a handle linked to said ball and provided with means suitable for limiting the rotation of said handle between two end positions, respectively corre... | 09/06/2005 |
| 6682045 | Valve opening/closing drive device A valve opening/closing drive device includes a main body case formed by press molding and connected respectively with an inflow pipe and an outflow pipe. A valve element is provided within the main body case for opening and closing an opening part and a ... | 01/27/2004 |
| 6629683 | Draining-preventing device of pneumatic-and-electromotive driving valve A draining-preventing device of a pneumatic-and-electromotive driving valve is disclosed. A driving shaft is installed at a center of a receiving tube of a joint and a lower end of the joint is buckled with a ball valve. The driving shaft and the ball val... | 10/07/2003 |
| 6578598 | Valve having an inner washing structure A valve having an inner washing structure, includes a receiving chamber. The valve is formed with at least one washing hole which is located at a position opposite to the tangential plane of the outer diameter of the ball, and is communicated with the rec... | 06/17/2003 |
| 6485000 | Device by ball valve A ball valve having a valve housing with an inlet and an outlet, a valve body with a bore and sealing bodies, and valve seats which are in sealing planes parallel to one another forming an oblique angle with the inlet and the outlet, and in which the seal... | 11/26/2002 |
| 6446935 | Valve device with elevated mounting pads A valve includes a chamber having an inlet, an outlet, and an annular recess. A movable element is disposed in the chamber to control the flow of fluids between the inlet and the outlet. A stem is secured to a movable element and extends exteriorly throug... | 09/10/2002 |
| 6431520 | Safety valve for fluids The safety valve for fluids subject of this Patent is a spherical valve for a straight or right-angle (90°) flow and a quarter-turn. Its structure comprises: a box (1) having a small central cylindrical recess (2) on its bottom, and two diametrically opp... | 08/13/2002 |
| 6412756 | Gastight ball valve for granules A gastight shut-off device (1) which can be fitted between a supply pipeline (2) and a discharge pipeline (3), in the form of a ball valve, includes a housing (4), a housing flow passage with an inlet section (5) and an outlet section (6), a shut-off ball... | 07/02/2002 |
| 6361019 | Fastening system for connecting actuators, or other attachable devices, to rotary valves A connection for joining an actuator to a valve comprising providing at least two flanged pins each in the body of the valve, providing at least two mating holes in a body of the actuator, the mating holes being aligned with the pins, providing a tapped h... | 03/26/2002 |
| 6308933 | Shut-off-valve-utility A shut-off valve has a housing which is provided with a spindle bush. Located in the spindle bush is a movable spindle which is sealed with respect to the housing. The spindle is connected to a closure body disposed in the housing. The housing also has a ... | 10/30/2001 |
| 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 |
| 6296229 | Metal ball valves for gas An improved metal ball valve for gas comprises a shutter housing chamber in which are provided two opposite sides or flats allowing to define annular recesses in which shutter sealing gaskets are substantially integrally engaged. The shutter weight is adv... | 10/02/2001 |
| 6286810 | Valve with cartridge A valve having a valve closing member rotatably supported on one or more valve stems which are positionally infinitely adjustable is disclosed. The valve has a valve body defining a bore with an upper passageway extending from the bore. A valve stem exten... | 09/11/2001 |
| 6267353 | Self draining valve A self cleaning and self draining valve. The valve may include a valve body that has an inlet port and an outlet port and a flow control chamber between the inlet and outlet ports wherein a flow control member is operably supported. The inlet and outlet p... | 07/31/2001 |
| 6199824 | Spherical valve A spherical valve is formed of a main body, a cover, and a spherical body. The main body is of a hollow construction and is provided in the interior with a partition dividing the interior into an inner receiving cell and an outer receiving cell. The main ... | 03/13/2001 |
| 6197195 | Fluid handling apparatus and flow control assembly therefor A flow control assembly is provided with a cartridge which includes a body sized and shaped so as to be received in a housing of fluid handling apparatus, such as duplex strainers and diverter valves. The body has a first chamber and a second chamber adja... | 03/06/2001 |
| 5992823 | Structure of a shutoff valve A structurally improved shutoff valve is provided, the shutoff valve comprises a straight or an elbow tubular housing including a water inlet and a water outlet at two ends for respectively connecting a water source and a waterflow pipe therebetween, a va... | 11/30/1999 |
| 5927687 | Ball valve A ball valve for shutting off pipelines carrying liquid, gaseous and solids-laden media, particularly those of large nominal diameters, includes a housing containing a ball provided with at least one bore and supported in a rotatable fashion in the housin... | 07/27/1999 |
| 5913506 | Ball cock of plastics material The ball cock has a housing in which a valve ball is rotatably arranged. The sealing is effected by two sealing rings which are retained by cages. Disposed on each side of the ball cock is a spigot for welding the valve to the connecting pipes. The connec... | 06/22/1999 |
| 5752690 | Threaded coupling and pig injector valve An improved threaded joint for connecting a first tubular member, for example a valve housing, with an outer end having interior threads with pitch W and terminating in a shoulder. A second tubular member has an exterior threaded end and a flanged end. A ... | 05/19/1998 |
| 5690152 | Device for coupling containers A device for coupling two containers comprises a pair of connecting sleeves, each having closing flaps that can be moved from a closed position to an open position by a part-turn actuator, with the outer surfaces of each closing flap facing away from the ... | 11/25/1997 |
| 5551665 | Ball valve with coiled tubing cutting ability A ball valve having the capability of cutting coiled tubing extending therethrough. The valve includes a ball rotatably disposed within a housing and adjacent to a seat. Control arms prevent relative longitudinal movement between the ball and seat. The ba... | 09/03/1996 |
| 5188335 | Ball valve with lockable security device A ball valve comprising a body including a valve chamber having inlet and outlet ports, and a rotatable ball element disposed within the valve chamber, the ball element having a conduit therethrough which communicates with the inlet and outlet ports. The ... | 02/23/1993 |
| 5104307 | Injection nozzle for use in an injection moulding device Injection nozzle for use in a device for moulding an object of a thermoplastic material in an injection mould, comprising a nozzle with a feed channel (4) running through it which connects at the bottom end to a jet passage (7) and at this end has a ball-... | 04/14/1992 |
| 5040566 | Ball mixing tap for cold and hot water Mixing tap for hot and cold water fitted with a mixing ball with inlet holes matched with the separate hot and cold water feed pipes and outlet holes delivering the mixed water to a spout. At least the part of the ball with holes is made of a ceramic mate... | 08/20/1991 |
| 4960262 | Ball valve and methods of fabrication A ball valve and a method for fabricating this ball valve wherein a ball seat, formed of a synthetic resin, is mounted at each end of a flow passage in a ball of the valve. A sealing end portion of the ball seat contacts the spherical surface of the ball ... | 10/02/1990 |
