http://www.freshpatents.com/Valves-and-valve-actuation-dtnewntc251.php USPTO Class 251 - Valves and valve actuation en-us Mon, 17 Jun 2013 13:34:16 -0700 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/-dt20130613ptan20130146793.php Mon, 17 Jun 2013 13:34:16 -0700 Apparatuses for providing a visual indication outside a blowout preventer (BOP) relative to a position of ram blocks inside the BOP, and methods of adding such apparatuses to existing blowout preventers are provided. An apparatus has an indicator rod, a detectable portion and a sealing assembly. The indicator rod has... http://www.freshpatents.com/-dt20130613ptan20130146794.php Mon, 17 Jun 2013 13:34:16 -0700 A magnetic valve and a fluid supply system using the same are provided. The fluid supply system includes a flow channel and the magnetic valve. The magnetic valve penetrates through a pipe wall of the flow channel, and includes a driving unit, a first magnet and a second magnet, a... http://www.freshpatents.com/-dt20130613ptan20130146795.php Mon, 17 Jun 2013 13:34:16 -0700 A valve for a fuel cell system includes a valve housing having an inlet and an outlet formed therein. Each of the inlet and the outlet includes a passage formed therein to permit a fluid to flow through the valve housing. A movable member is disposed in the valve housing... http://www.freshpatents.com/-dt20130613ptan20130146796.php Mon, 17 Jun 2013 13:34:16 -0700 A solenoid valve is disclosed that includes at least one chamber which can be filled with a fluid and which is provided in a housing of the solenoid valve, a closing piston which can be displaced by an actuation device and a spring element which can act against the actuation... http://www.freshpatents.com/-dt20130613ptan20130146797.php Mon, 17 Jun 2013 13:34:16 -0700 A rotary valve meters the flow of particulate material from a supply source into a pneumatic conveying system and includes a central rotor rotatable within a cylindrical housing. The interior surface of the cylindrical housing is formed with grooves extending from pinch points at the inlet opening to facilitate the... http://www.freshpatents.com/-dt20130613ptan20130146798.php Mon, 17 Jun 2013 13:34:16 -0700 A valve with a shuttle for use in a flow management system is capable of bypassing a backflow.... http://www.freshpatents.com/-dt20130613ptan20130146799.php Mon, 17 Jun 2013 13:34:16 -0700 An oil pressure control device includes a valve body and a spool valve arranged in the valve body. When the valve body is mounted to a vehicle, the valve body is arranged in air, and has a concave portion which stores oil at a position facing on an upper side.... http://www.freshpatents.com/-dt20130613ptan20130146800.php Mon, 17 Jun 2013 13:34:16 -0700 A hydraulic control valve actuated by a diaphragm's integral spring whose thicker part acts with greater force to close the diaphragm and plug unit of the valve and whose thinner part may complete the closing motion so that the integral spring may weaken faster than linearly in relation to displacement...