Patents for F04D 11 - Other rotary non-positive-displacement pumps (219)
06/1987
06/11/1987DE3542811A1 Device for conveying fluid media
04/1987
04/23/1987WO1987002425A1 Loop pump
04/22/1987CN86106587A Loop pump
02/1987
02/10/1987US4642036 Magnet ball pump
02/10/1987US4642034 Scroll type compressor with displacement adjusting mechanism
01/1987
01/29/1987DE3623330A1 Centrifugal compressor
01/28/1987EP0209522A1 Device for producing a directed liquid flow.
08/1986
08/28/1986WO1986004962A1 Centrifugal pump having precessionally moving impeller
08/14/1986WO1986004648A1 Device for producing a directed liquid flow
04/1986
04/22/1986US4583913 Liner of a semi-axial flow pump
03/1986
03/04/1986US4573864 Regenerative turbomachine
06/1985
06/12/1985EP0144169A2 Scroll type compressor with displacement adjusting mechanism
03/1985
03/27/1985EP0135365A2 Regenerative-compressor
12/1984
12/11/1984US4487559 Hydraulic machine with retractable partitions and variable cubic capacity
08/1984
08/21/1984CA1172905A1 Displacement variation of hydraulic machines with retractable partitions
04/1983
04/26/1983US4381181 Solenoid-actuated centrifugal pump and method
09/1982
09/21/1982US4350011 Pumping apparatus for fluid
04/1980
04/01/1980US4195965 Ram pump flowmeter
11/1979
11/20/1979US4174611 Hydraulic machine
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