Featured patents

Pump Motor Protector With Redundant Shaft Seal
US 08807966 B2, Aug. 19, 2014, Internal - external pressure balancer, Christopher Featherby et al. / Schlumberger Technology Corporation (Sugar Land, US)
An electric submersible pump device, comprising:…

Capacity Control Valve
US 08757988 B2, June 24, 2014, Condition responsive fluid control, Ryosuke Cho et al. / Eagle Industry Co., Ltd. JP
A capacity control valve comprising:…

Centrifugal Pump Apparatus
US 08770945 B2, July 8, 2014, By control of electric or magnetic drive motor, Hiroyuki Yamada et al. / Thoratec Corporation (Pleasanton, US)
A centrifugal pump apparatus including a housing having first and second chambers…

Linear Compressor With an Electro-Magnetic Spring
US 08714946 B2, May 6, 2014, Unitary pump and motor working member, Mariano Pablo Filippa et al. / General Electric Company (Schenectady, US)
A linear compressor, the linear compressor defining an axial direction…

Finger-Type Peristaltic Pump
US 08678793 B2, March 25, 2014, Distributor formed from integral portion of flexible wall pumping member, Ori Goldor et al. / Q-Core Medical Ltd. (Netanya, IL)
A tube to pump interface housing adapted to support a tube, said housing…

Pump Control System
US 08662856 B2, March 4, 2014, Fluid and motor controls have common sensing element, David Durstine et al. / Akron Brass Co. (Wooster, US)
A pump control system, comprising:…

High-Pressure Fuel Supply Pump and the Manufacturing Method
US 08672652 B2, March 18, 2014, Expansible Chamber Type, Kazutaka Hosokawa et al. / Hitachi, Ltd. (Tokyo, JP)
A high-pressure fuel supply pump, comprising:…

Condensate Pump
US 08602744 B2, Dec. 10, 2013, Responsive to accumulation of pumped liquid in receiver, Charles Barry Ward / Diversitech Corporation (Duluth, US)
A capacitance sensor system configured to be used in a liquid pumping system,…

Dual Injection Airlift Pump
US 08596989 B2, Dec. 3, 2013, Aerated column, Wael Hasan Ahmed et al. / King Fahd University of Petroleum and Minerals (Dhahran, SA)
A dual injection airlift pump, comprising:…

Electric-Motor-Driven Oil Pump Control System
US 08475137 B2, July 2, 2013, Responsive to change in electrical operating characteristic, Hisatake Ikada et al. / Hitachi Automotive Systems, Ltd. (Hitachinaka-shi, JP)
An electric-motor-driven oil pump used for supplying working oil through…

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