Featured patents

Solenoid Valve
US 08851118 B2, Oct. 7, 2014, Electric, Onofrio De Michele et al. / C.R.F. Societa Consortile per Azioni (Orbassano (Torino), IT
A solenoid valve comprising three mouths and three operating positions, wherein…

Rainwater Collection/Distribution System
US 08789554 B1, July 29, 2014, Buildings, Stephen M Oas / Emsco, Inc. (Girard, US)
An adaptor for installation between sections of a downspout for diverting…

Cam Actuated Valve Assembly With Manual and Electric Activation
US 08794266 B1, Aug. 5, 2014, With common valve operator, Robert A. Kracker et al. / Humphrey Products Company (Kalamazoo, US)
A valve assembly for a patient support mattress having a plurality of bladders,…

Ventilation Arrangement for a Fuel Tank
US 08789557 B2, July 29, 2014, With external means for opposing bias, Gerhard Müller-Riederer et al. / A. Kayser Automotive Systems GmbH DE
Ventilation arrangement for the fuel tank of a vehicle with valves allocated…

Method for Controlling Water Supply Amount and Refrigerator Using the Same
US 08720464 B2, May 13, 2014, With control of flow by a condition or characteristic of a fluid, Hoyoun Lee et al. / LG Electronics Inc. (Seoul, KR)
A method for controlling a water supply amount in a refrigerator comprising:…

Method for Autonomous Control of a Chemical Injection Systems for Oil and Gas Wells
US 08555914 B2, Oct. 15, 2013, Responsive to change in rate of fluid flow, Richard R. Watson et al. / National Coupling Company, Inc. (Stafford, US)
A method for injecting a liquid phase chemical into a well, using an autonomous…

Soft Start Device for Pneumatic Systems and Method for the Operation of a Soft Start Device
US 08567442 B2, Oct. 29, 2013, Electric, Markus Kleske et al. / Festo AG & Co. KG (Esslingen, DE)
Soft start device for pneumatic systems, comprising a primary inlet where…

Flow Resistance Device
US 08517054 B2, Aug. 27, 2013, With metering feature, Shih-Huai Cho et al. / Wistron Corporation (Xizhi Dist., New Taipei, TW)
A flow resistance device, which is configured in an electronic device,…

Series Configured Variable Flow Restrictors for Use in a Subterranean Well
US 08464759 B2, June 18, 2013, Plural vortex generators, Jason D. Dykstra / Halliburton Energy Services, Inc. (Houston, US)
A variable flow resistance system for use in a subterranean well, the system…

Check Valve Assembly for Well Stimulation Operations
US 08448659 B2, May 28, 2013, Plural inflows, Jan Veit / Halliburton Energy Services, Inc. (Houston, US)
A check valve assembly for well stimulation operations comprising:…

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