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| Number | Title | Issue Date |
| 7758019 | Safety valve The safety valve includes a first generally tubular body 12 and a second generally tubular body 14 each having flow paths therein when the bodies are mated. A ball 20 rotates between open and closed position in a first seat 30 and a ball ... | 07/20/2010 |
| 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 |
| 6935613 | Compact integrated flanged isolator ball valve The present invention provides a flanged ball valve device which can be connected, as an integrated compact unit, to a pump at the valve flange end of the device by means of an integral flange and to various types of piping systems at the pipe end of the device by m... | 08/30/2005 |
| 6789782 | Valve for gas systems An improved ball valve (1), in particular for gas systems, includes a tampering indicating seal (25) made by injection molding a synthetic or metal material into cavities (19; 21; 22) formed in the screw-clamping nut assembly (11, 13) and... | 09/14/2004 |
| 6158719 | Bent crankshaft for motorized valves A bent crankshaft assembly for motorized valves. The crankshaft is formed having three distinct regions, a connection region, a bend region, and a sphere retaining region. These regions are formed in a unitary rod without staking or milling operations.... | 12/12/2000 |
| 5873389 | Structure of faucet A faucet including a faucet body defining a ball socket between a water intake port and a water output port, a ball valve mounted in the ball socket and retained between two rigid gasket members, a packing nut fastened to the ball socket to hold down the ... | 02/23/1999 |
| 5277404 | Valve assembly A valve comprised of a valve body (1) incorporating a flow bore (2), of a check element (3) rotatably or pivotally adapted to said flow bore, said check element having the shape of rotational body or part of it, incorporating a flow port (4) and being sup... | 01/11/1994 |
| 5037065 | Ball valve A sealing system in a ball valve is designed with a bellows which carries a sliding packing ring on the side of the valve housing and presses against a sliding packing ring on the side of the pivot shaft. The bellows is protected by a guard ring. The ball... | 08/06/1991 |
| 4565218 | Liquid mixing valve with single handle A liquid mixing valve with a single control handle and a relatively simple mechanical structure includes a handle which causes a guide body to rotate to a desired position within a spherical cavity so as to align cold and hot inlet ports communicating wit... | 01/21/1986 |
| 4508173 | Flow control valve for use on oil and gas wells or the like The valve includes a tubular housing member that is connected in a string of a tubing that extends into an oil or gas well. The upper end of the tubular housing member is rotatable and is connected through actuators to a valve member that is pivotally sup... | 04/02/1985 |
| 4158369 | Hold-back valve for single release air brakes A hold-back valve for single release air brakes includes a plug valve member in a chamber of a valve body and rotatable between at least two positions to establish paths of different resistance to flow between air inlet and outlet passages in the valve bo... | 06/19/1979 |
| 3974869 | Fluid flow control valve Fluid flow control valves such as plug valves or cocks have the plugs thereof supported and sealed in the valve housing by a rigid but somewhat elastic plastics bearing member which is preloaded and compressed from its free state condition and seeks to re... | 08/17/1976 |
