FreshPatents.com: Valves and valve actuation - USPTO Class 251 Patent Applications Update http://www.freshpatents.com/Valves-and-valve-actuation-dtnewntc251.php USPTO Class 251 - Valves and valve actuation en-us Mon, 30 Jan 2012 13:30:03 -0800 1000 Wednesday Thursday Friday Saturday Sunday FreshPatents.com 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif Pinch valves having a multi-piece valve body to receive flexible tubing http://www.freshpatents.com/-dt20120126ptan20120018654.php Mon, 30 Jan 2012 13:30:03 -0800 Pinch valves having a multi-piece valve body to receive flexible tubing are described herein. An example pinch valve includes a first body portion having a first recess and a second body portion having a second recess. The first body portion is movable relative to the second body portion. The first... Die cast sleeve with stability enhancement features occupying a small package space http://www.freshpatents.com/-dt20120126ptan20120018656.php Mon, 30 Jan 2012 13:30:03 -0800 In a preferred embodiment, the present solenoid control valve is provided which has a valve sleeve having upper and lower feedback chambers which are connected to control pressure by an exterior surface longitudinal slot or slots.... Electromagnetic valve http://www.freshpatents.com/-dt20120126ptan20120018655.php Mon, 30 Jan 2012 13:30:03 -0800 A conical portion is provided at the tip of a main valve body. When brake fluid hits the conical portion of the main valve body, the brake fluid is bounced back at substantially the same angle at which it hits the conical surface of the conical portion. However, the movement... Sealing arrangement in rotating control valve of pressure fluid-operated percussion device http://www.freshpatents.com/-dt20120126ptan20120018657.php Mon, 30 Jan 2012 13:30:03 -0800 The invention relates to a sealing arrangement in a rotating control valve of a pressure fluid-operated percussion device, to which percussion device a tool is mountable movable in its longitudinal direction, the percussion device containing a work chamber and a transmission piston mounted movable to compress the tool suddenly to... Pressure reducing valve http://www.freshpatents.com/-dt20120126ptan20120018658.php Mon, 30 Jan 2012 13:30:03 -0800 A flow control device is disclosed. The flow control device comprises a pressure reducing valve. The pressure reducing valve comprises a valve body having at least an inlet port on a high side and an outlet port on a low side and having walls defining a regulating chamber, the outlet... Piston valve with built in filtration http://www.freshpatents.com/-dt20120126ptan20120018659.php Mon, 30 Jan 2012 13:30:03 -0800 A control valve includes particle and moisture accumulation inhibiting features. The control valve includes a piston that provides for pressure communication to a back cavity through a tortuous path that settles out particle matter carried within the airflow. Moreover, the piston includes drainage openings that direct moisture out of piston... Proximity sensor valve and lock system using same http://www.freshpatents.com/-dt20120126ptan20120018660.php Mon, 30 Jan 2012 13:30:03 -0800 A proximity sensor valve includes a housing which defines a fluid inlet and a fluid outlet in communication with a cavity. A plunger pin within the cavity for movement along an axis, the plunger pin movable between an extended position and a retracted position. The plunger pin extends at least... Water-saving valve assembly http://www.freshpatents.com/-dt20120126ptan20120018661.php Mon, 30 Jan 2012 13:30:03 -0800 A water-saving valve assembly has a base, a control valve device and a buffer device. The control valve device is mounted in the base. The water-saving valve assembly is mounted on an exit of a water pipe. Users can control the flowing out or stopping of water in the water...