F04F 3/00

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9850747 Fissured substrata water pumping apparatus and methodJan 25, 16Dec 26, 17CHINA UNIVERSITY OF MINING AND TECHNOLOGY
9512857 Liquid lifting device and liquid lifting methodJul 17, 15Dec 06, 16MURATA MANUFACTURING CO., LTD.
9506478 Vacuum systemJan 13, 12Nov 29, 16EDWARDS LIMITED
9447795 Fluid pumping system and a fluid turbine system including the fluid pumping systemJun 10, 13Sep 20, 16UNITED ARAB EMIRATES UNIVERSITY
9404487 Apparatus and methods for evacuating air from a closed areaMar 01, 12Aug 02, 16GAME CHANGERS, LLC
9056419 Sizing tank with electro-mechanical controlled water flowsJul 08, 14Jun 16, 15Not available
8983667 Fluid flow management through a wastewater level manipulation system and associated methodsOct 25, 13Mar 17, 15DATA FLOW SYSTEMS, INC.
8858190 Steam powered pumpJan 15, 11Oct 14, 14WATSON MCDANIEL COMPANY
8684031 Apparatus for conveying a waste streamJul 19, 07Apr 01, 14EDWARDS LIMITED
8672639 Bilge pump and methodJan 05, 11Mar 18, 14Not available
8535018 Balancing liquid pumping systemNov 08, 10Sep 17, 13Not available
8297311 Controlling gas partial pressures for process optimizationAug 03, 10Oct 30, 12ALCATEL
8137076 Method and system for raising a liquid using a pressurised gas and a buoyant, movable interface memberMar 16, 06Mar 20, 12Not available
8100669 Micro-pump and micro-pump systemSep 10, 09Jan 24, 12INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
8032256 Liquid level control systemsApr 17, 09Oct 04, 11SJE-RHOMBUS
7798785 Automatic pressure-relieving apparatus for suction pumpMar 05, 07Sep 21, 10Chuan Jiing Enterprises Co., Ltd.
7641452 Manually operated vacuum pump and refill deviceJan 16, 07Jan 05, 10Lih Yann Industrial Co., Ltd.
7565765 Pneumatic liquid dispensing assembly for hydroponically cultivated plantsMay 31, 05Jul 28, 09HGCI, INC.
7527480 Micropump for integrated device for biological analysesSep 16, 03May 05, 09STMICROELECTRONICS S.R.L.
7484370 Refrigerant gas recycling apparatus for cryogenic cooling deviceFeb 22, 06Feb 03, 09DOOSAN HEAVY INDUSTRIES & CONSTRUCTION CO., LTD.

Showing 1 to 20 of 76 results