F04C 2/07

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2024/0068,471 ELECTRIC DIAPHRAGM PUMP WITH OFFSET SLIDER CRANKOct 25, 23Feb 29, 24Not available
2022/0333,596 ELECTRIC DIAPHRAGM PUMP WITH OFFSET SLIDER CRANKJul 06, 22Oct 20, 22Not available
2020/0291,936 ELECTRIC DIAPHRAGM PUMP WITH OFFSET SLIDER CRANKDec 20, 19Sep 17, 20Not available
2019/0211,818 ROTARY VANE HYDRAULIC ELEMENTMar 06, 19Jul 11, 19Not available
2015/0093,275 Scroll Type Fluid MachineJul 24, 14Apr 02, 15HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
2011/0038,744 SYSTEM FOR CONSTRUCTION OF PUMPS, COMPRESSORS AND ROTARY ENGINE COMPOSED OF TWO ROTORS WITH ONE, TWO OR MORE DISPLACER'S EACH, THAT MOVE THEMSELVES IN THE SAME DIRECTION AT SPEEDS THAT ARE VARYING AND ALTERNATIVLY OPPOSITE EACH OTHERApr 24, 09Feb 17, 11Not available