| Patents for F04D 7 - Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts (4,105) |
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| 08/05/1987 | CN86100758A Integrated centrifugal pump shell body with plastic lining, their pressurized dies and processings |
| 07/22/1987 | CN86209861U Gyromagnetic corrosion-proof alloy self-suction centrifugal pump |
| 07/14/1987 | CA1224084A1 Centrifugal pump |
| 07/07/1987 | US4678405 Low net positive suction head pumps |
| 07/07/1987 | US4678399 Resistant components for submersible pump stages |
| 06/25/1987 | DE3545713A1 Split-cage pump for delivering high-strength acids, especially 98% nitric acid |
| 06/23/1987 | US4675033 Apparatus for separating gas from a fibre suspension |
| 06/19/1987 | EP0156895A4 Fluid pump. |
| 06/18/1987 | WO1987003652A1 Device for pumping highly-viscous material, in particular thick oil |
| 05/12/1987 | US4664592 Centrifugal pump impeller configured to limit fluid recirculation |
| 05/06/1987 | CN85108174A Method and apparatus for reducing wear on impeller and increasing efficiency of centrifugal pump |
| 04/28/1987 | CA1220978A1 Vortex pump |
| 04/15/1987 | EP0217847A1 Pump or compressor unit. |
| 03/31/1987 | US4653977 Pump for mixing and pumping liquids |
| 03/24/1987 | CA1219493A1 Apparatus for pumping of pulp |
| 03/17/1987 | US4650633 Method and apparatus for protection of pump systems |
| 03/17/1987 | US4650342 Agitating particulate solids |
| 03/10/1987 | US4648796 Centrifugal pump for very thick and/or viscous materials and products |
| 02/18/1987 | CN86105549A Nuclear reactor coolant pump impeller/shaft assembly |
| 02/03/1987 | US4640666 Centrifugal pump |
| 01/28/1987 | EP0209635A1 An underwater pump |
| 01/27/1987 | CA1217172A1 Centrifugal blower for hot fluids |
| 01/20/1987 | US4637779 Two stage medium consistency pulp pumping |
| 01/14/1987 | EP0208595A1 Transport tank for reactive liquid metals |
| 12/30/1986 | EP0206031A1 Reinforced rubber liner for centrifugal pump casings |
| 12/23/1986 | CA1215581A1 Free-flow-pump |
| 12/02/1986 | CA1214686A1 Method for regulating the function of a centrifugal pump |
| 11/18/1986 | US4623302 Arrangement for facilitating the start-up of not self-priming centrifugal pumps |
| 10/28/1986 | US4619736 Apparatus for defiberizing, screening and pumping cellulose pulp or recycled paper |
| 09/30/1986 | US4614478 Pump impeller |
| 09/25/1986 | WO1986005557A1 Pump or compressor unit |
| 09/04/1986 | EP0181350A4 Centrifugal slurry low-flow pump casing. |
| 08/27/1986 | EP0192621A1 A seal device |
| 08/12/1986 | US4605352 Centrifugal pump for pulverized material |
| 08/05/1986 | US4604035 Submersible pump having frangible drive connection |
| 07/23/1986 | EP0188057A1 Erosion resistant coatings |
| 07/22/1986 | CA1208259A1 Centrifugal pump for pulverized material |
| 06/24/1986 | US4596511 Eddy pump |
| 06/24/1986 | US4596510 Centrifugal pump for handling of liquid chlorine |
| 06/11/1986 | EP0183729A1 Liquid metal pump with isolator assembly |
| 06/10/1986 | US4594052 Centrifugal pump for liquids containing solid material |
| 06/10/1986 | US4593835 Cryogenic liquefied pump system |
| 06/03/1986 | US4592700 Vortex pump |
| 05/21/1986 | EP0181350A1 Centrifugal slurry low-flow pump casing. |
| 05/13/1986 | US4588353 Submersible pump |
| 05/13/1986 | CA1204339A1 Centrifugal pump for liquids containing solid material |
| 04/16/1986 | EP0178002A1 Centrifugal pump |
| 04/15/1986 | US4582513 Centrifugal pump for the supply of finely divided solids |
| 04/15/1986 | US4581955 Reactor coolant pump motor rotator |
| 03/18/1986 | CA1201936A1 Arrangement for dismounting and mounting a pump fixed to a tank |
| 03/11/1986 | US4575308 Solid materials pump |
| 02/12/1986 | EP0171143A2 Pump |
| 01/30/1986 | WO1986000542A1 Apparatus for separating gas from a fibre suspension |
| 01/29/1986 | EP0169637A1 An impeller for a pump |
| 01/07/1986 | US4563123 Direct coupling of a vortex injector to a centrifugal pump |
| 12/05/1985 | WO1985005411A1 Liquid metal pump with isolator assembly |
| 10/22/1985 | US4548545 Centrifugal pump with deaeration chamber |
| 10/09/1985 | EP0156895A1 Fluid pump |
| 10/08/1985 | US4545741 Vertical motor pump |
| 09/25/1985 | EP0155928A1 Mechanical pulp hydrosulfite bleaching |
| 09/17/1985 | US4541776 Centrifugal blower for hot fluids |
| 09/03/1985 | US4538959 Clean-in-place pump |
| 08/21/1985 | EP0152383A1 Pump |
| 08/13/1985 | US4534712 Liquid metal mechanical pump equipped with emergency syphon |
| 08/07/1985 | EP0150515A1 Pump for circulating a cooling fluid consisting of a liquid metal in a cooling circuit of a nuclear reactor |
| 07/30/1985 | US4531892 Apparatus for pumping of pulp |
| 07/23/1985 | US4530643 Centrifugal pump impeller |
| 07/17/1985 | EP0148583A1 Fuel pumps |
| 07/09/1985 | US4527947 Seal-free impeller pump for fluids containing abrasive materials or the like |
| 06/20/1985 | WO1985002658A1 Solid materials pump |
| 06/04/1985 | US4521151 Centrifugal slurry pump |
| 04/30/1985 | US4514139 Method and apparatus for pumping fragile articles |
| 04/16/1985 | US4511315 Liquid metal mechanical pump |
| 04/16/1985 | CA1185482A1 Underwater sand pump |
| 04/11/1985 | WO1985001550A1 Fluid pump |
| 04/10/1985 | EP0136302A1 Universal submerged pump and agitator |
| 03/19/1985 | US4505872 Component for connecting a primary pump and a delivery pipe in a breeder reactor of the swimming-pool type |
| 03/19/1985 | US4505637 Axial-flow centrifugal pump for the circulation of fluid |
| 02/12/1985 | US4499562 Mixer having workhead operable in mixing and pumping modes |
| 01/29/1985 | US4496281 Centrifugal pump |
| 01/16/1985 | EP0131326A2 Centrifugal pump for very thick and/or viscous materials and products |
| 01/02/1985 | EP0129749A1 Boiling water reactor |
| 12/12/1984 | EP0127752A1 Liquefied gas pump |
| 11/13/1984 | US4481781 Liquefied gas transfer apparatus |
| 10/16/1984 | US4476886 Affixation of a pump to a tank |
| 10/10/1984 | EP0121053A1 Axial thrust reducing device for pumps |
| 10/09/1984 | US4475868 Free-flow-pump |
| 10/09/1984 | US4475866 Liquid metal mechanical pump |
| 10/03/1984 | EP0120179A1 Centrifugal pump impeller of the single vane type |
| 10/03/1984 | EP0120178A1 Centrifugal pump for pumping liquids containing solid bodies |
| 09/18/1984 | US4472109 Pump unit |
| 08/21/1984 | CA1173025A1 Fluid agitator assembly |
| 08/21/1984 | CA1172906A1 High head centrifugal slicing slurry pump |
| 08/16/1984 | WO1984003126A1 Universal submerged pump and agitator |
| 08/14/1984 | US4465645 Rotary surface aerator with adjustable liquid transporting units |
| 08/14/1984 | CA1172447A1 Apparatus for purifying molten metal |
| 07/17/1984 | CA1170907A1 Seal-free impeller pump for fluids containing abrasive materials or the like |
| 07/04/1984 | EP0112462A1 Self-cleaning centrifugal pump |
| 07/04/1984 | EP0016825B1 Method and apparatus for pumping large solid articles |
| 06/26/1984 | US4456424 Underwater sand pump |