| Patents for F04D 13 - Pumping installations or systems (12,375) |
|---|
| 09/14/1988 | CN87100241A Balance unit for pump axial force |
| 09/06/1988 | US4768931 In-tank type motor-driven pump |
| 09/06/1988 | US4768888 Unitary bearing member and motor incorporating the same |
| 08/31/1988 | CN86108707A Submerged-in-oil pump |
| 08/30/1988 | US4767286 Use in circulating water from a reservoir to an ice forming mold |
| 08/24/1988 | EP0279220A2 Leakage indicating device for a magnetic centrifugal pump |
| 08/23/1988 | US4765075 Water propulsion unit of water jet propulsion craft |
| 08/17/1988 | CN87203494U Pump with hollow-rotor motor |
| 08/16/1988 | US4764053 Method of installing a floatable pump apparatus and an anti-erosion plate in a water treatment basin |
| 08/10/1988 | EP0277131A1 Loop pump. |
| 08/09/1988 | US4763032 Magnetic rotor bearing |
| 08/03/1988 | CN87206747U Submerged pump with pnumatic seal |
| 08/03/1988 | CN87205794U Pedal water pump |
| 07/20/1988 | CN86108774A Sealed impeller pump assembly |
| 06/28/1988 | US4753571 Liquefied gas pump |
| 06/28/1988 | CA1238520A1 Seal-less pump |
| 06/21/1988 | US4752194 Magnetically coupled pump with a bipartite separating pot |
| 06/14/1988 | US4750872 Centrifugal pump with damped motor connection |
| 06/09/1988 | DE3640657A1 Pumpe fuer fluessige medien Pump for liquid media |
| 06/08/1988 | CN86209930U Automatic detector for rotational speed of submersible electric pump |
| 06/02/1988 | WO1988003993A1 Pump for liquid media |
| 06/01/1988 | EP0160641B1 Pump station |
| 06/01/1988 | DE3639719A1 Canned magnetic pump |
| 06/01/1988 | CN87202696U Miniature submersible pump |
| 05/31/1988 | US4748356 Electric fuel pump |
| 05/31/1988 | US4747757 Submersible mixing pump |
| 05/25/1988 | EP0268085A1 Magnetic circulation pump |
| 05/25/1988 | EP0268015A2 Canned motor pump or pump with an encased magnetic coupling |
| 05/25/1988 | EP0268013A2 Canned motor pump or pump with an encased magnetic coupling |
| 05/18/1988 | EP0267445A2 Multistage pump for submersible electric pumps |
| 05/18/1988 | EP0267444A2 Electric motor for submersible pump |
| 05/17/1988 | US4744721 Turbopump sealing device |
| 05/11/1988 | CN87209705U Oil-air sealer of an immersible pump |
| 05/05/1988 | DE3637500A1 Impeller for spheropumps |
| 05/03/1988 | US4741664 Portable pump |
| 04/28/1988 | DE3636405A1 Magnetic rotor of a magnetic centrifugal pump (rotary pump) |
| 04/27/1988 | CN87208439U Diving hanging pump for digging well of mine |
| 04/21/1988 | DE3635475A1 Vat pumps |
| 04/21/1988 | DE3635202A1 Service-water circulating pump not sensitive to backflow |
| 04/20/1988 | CN87202771U Sealless submersed electric pump |
| 04/19/1988 | US4738584 Multiple impeller pump |
| 04/13/1988 | CN87106608A 泵 Pump |
| 04/13/1988 | CN86106031A Sealing device of double row seals for submersible motor pump |
| 04/12/1988 | US4736869 Submersible sealed housing |
| 04/07/1988 | WO1988002444A1 Pump |
| 03/30/1988 | EP0261180A1 Anti-contamination flow control in liquids. |
| 03/24/1988 | DE3630921A1 Centrifugal pump |
| 03/23/1988 | EP0260320A1 Cartridge pump. |
| 03/23/1988 | CN87202219U Series pump for deep well |
| 03/22/1988 | US4732537 Air operated pump and motor |
| 03/17/1988 | DE3629964A1 Centrifugal pump with spherical air gap |
| 03/16/1988 | CN86208940U Multi-purpose micro-pump |
| 03/15/1988 | US4730989 Rotodynamic pump with spherical bearing |
| 03/10/1988 | WO1988001693A1 Magnet ball pump |
| 03/10/1988 | DE3629311A1 Centrifugal pump unit with canned magnetic coupling |
| 03/01/1988 | US4728268 Rotodynamic pump |
| 02/23/1988 | US4726746 Electrically-operated fuel pump |
| 02/10/1988 | CN86209264U Oxygen-richening pump for circulating water |
| 02/02/1988 | US4722661 Magnetic-drive centrifugal pump |
| 01/26/1988 | US4721436 Process and installation for circulating fluids by pumping |
| 01/20/1988 | CN87203395U Manpower wave guide water pump |
| 01/20/1988 | CN87200710U Underwater hydraulic pump for pumping water from of deep well |
| 01/14/1988 | DE3622269A1 Canned motor pump |
| 01/14/1988 | DE3621967A1 Pipe-shaped pump unit with drive motor |
| 01/13/1988 | EP0252616A2 Fuel pump assembly |
| 01/13/1988 | CN87203182U Simple water pump |
| 01/12/1988 | US4718827 Fuel pump |
| 01/12/1988 | CA1231417A1 Magnetic rotor bearing |
| 01/07/1988 | EP0250856A1 Centrifugal pump with magnetic coupling |
| 12/15/1987 | US4712984 Process and apparatus for circulating fluids by pumping |
| 12/05/1987 | CN86207993U Mazy spiral electric submerged pump |
| 11/25/1987 | EP0246943A1 Process and installation to cause circulation of fluids by pumping |
| 11/05/1987 | DE3614044A1 High-performance centrifugal pump for conveying liquid nitrogen |
| 11/04/1987 | CN87205767U Centrifugal water-lifting device with low rotational speed |
| 11/04/1987 | CN87200927U 浮水电泵 Floating Pump |
| 11/03/1987 | US4704071 Method and apparatus for pumping liquids |
| 10/28/1987 | CN87103112A Countercycle drilling method with pump up and its apparatus |
| 10/22/1987 | DE3612802A1 Permanent magnet pump |
| 10/21/1987 | CN87102163A 泵 Pump |
| 10/14/1987 | EP0240674A2 Pump |
| 10/08/1987 | WO1987005973A1 Anti-contamination flow control in liquids |
| 10/07/1987 | CN86211107U 液下泵 Liquid pumps |
| 10/03/1987 | CN86204715U Internal-cooling electric pump |
| 10/03/1987 | CN86204309U Coaxial equal speed counter-rotating device |
| 10/01/1987 | DE3609311A1 Centrifugal pump |
| 09/24/1987 | WO1987005667A1 Cartridge pump |
| 09/23/1987 | EP0237868A2 Radial or axial flow centrifugal pump |
| 09/23/1987 | CN86210218U Electric floating pump |
| 09/22/1987 | US4695232 Central body to which are connected both a driving motor and a pump |
| 09/17/1987 | DE3701562A1 Canned centrifugal pump |
| 09/17/1987 | DE3608566A1 Arrangement for starting a synchronous motor |
| 09/09/1987 | EP0236166A1 Process and installation for circulating fluids by pumping |
| 09/09/1987 | CN86204120U Submerged pump made of fluoroplastics |
| 09/08/1987 | US4692092 Fuel pump apparatus for internal combustion engine |
| 09/01/1987 | US4690613 Portable engine-pump assembly |
| 08/25/1987 | US4688998 Blood pump |
| 08/11/1987 | US4685867 Submersible motor-pump |
| 08/04/1987 | US4684333 Self-priming pump |
| 08/04/1987 | US4684329 Canned motor pump |
| 07/28/1987 | US4682936 Fuel supplying pump |