Featured patents

Rotary Diaphragm Pump
US 08858202 B2, Oct. 14, 2014, Collapsible Progressively Deformed Working Chamber Wall, Osama M. Al-Hawaj / Kuwait University (Safat, KW)
A rotary diaphragm pump, comprising:…

Adjustable Rotary Pump With Reduced Wear
US 08770955 B2, July 8, 2014, Using specific material, Christof Lamparski / Schwabische Huttenwerke Automotive GmbH (Aalen, DE)
A rotary pump having a variable delivery volume, comprising:…

Rotation Preventing Member of a Scroll Compressor
US 08734142 B2, May 27, 2014, With specific rotation preventing or rotation coupling means, Myungkyun Kiem et al. / LG Electrnics Inc. (Seoul, KR)
A rotation preventing member of a scroll compressor, comprising:…

Compressor and Manufacturing Method Thereof
US 08690558 B2, April 8, 2014, Specific Material, Mikio Kajiwara et al. / Daikin Industries, Ltd. (Osaka, JP)
A compressor comprising:…

Internal Orbital Engine
US 08684714 B2, April 1, 2014, Positively Actuated Vane, Frank W. Leonard
An orbital engine with a first outer generally tubular body with two outer body…

Hybrid Pump for Delivering a Liquid Pump Medium
US 08651844 B2, Feb. 18, 2014, Winged abutment, Ralf Diekmann / Horn GmbH & Co. KG DE
A hybrid pump for delivering a liquid pump medium, the hybrid pump comprising:…

Scroll Compressor Including a Communication Section Between the Suction Chamber and the Supply Flow Path
US 08628314 B2, Jan. 14, 2014, Having specific wrap or end plate, e.g., shape, material, coating, Tomohisa Moro et al. / Mitsubishi Heavy Industries, Ltd. (Tokyo, JP)
A scroll compressor comprising:…

Scroll Compressor With Improved Back Pressure Force Control Function
US 08550797 B2, Oct. 8, 2013, With biasing means, e.g., axial or radial, In Hwe Koo et al. / Doowon Technical College KR
A scroll compressor with an improved back pressure force control function…

Scroll Expansion Machine With Air Flow Passage Around Outer Periphery of Sealing Surface
US 08562317 B2, Oct. 22, 2013, Helical working member, e.g., scroll, Tamotsu Fujioka et al. / Anest Iwata Corporation JP
A scroll expansion machine comprising:…

Scroll Compressor Comprising Oil Separating Driving Shaft
US 08485803 B2, July 16, 2013, With lubricant, liquid seal or nonworking fluid separation, Geonho Lee et al. / Doowon Technical College (Anseing-Shi, KR)
A scroll compressor with an oil separating drive shaft comprising:…

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