| Patents for B04B 11 - Feeding, charging, or discharging bowls (3,429) |
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| 10/04/1989 | EP0335120A2 Centrifugal apparatus |
| 09/28/1989 | DE3825153C1 Centrifuge |
| 09/26/1989 | US4869713 Centrifugal machine with retractable supply spout |
| 09/26/1989 | CA1259973A1 Closed hemapheresis system and method |
| 09/20/1989 | EP0332639A1 Operating system for centrifugal separator |
| 09/12/1989 | US4865081 Multi-lumen tube arrangement |
| 08/15/1989 | US4857210 Method and apparatus for prevention of blinding of centrifuge filter screens |
| 08/15/1989 | US4857040 High-speed centrifugal extractor having improved weirs |
| 08/01/1989 | CA1258053A1 Blood fractionation system and method |
| 07/11/1989 | US4846780 Centrifuge processor and liquid level control system |
| 06/29/1989 | DE3744787A1 Method and device for measuring the burnup of fuel elements |
| 06/21/1989 | EP0321365A2 Decanter centrifuge with a retractable feeding device |
| 06/20/1989 | US4840612 Centrifugal separator and method of operating same |
| 06/14/1989 | CN1033355A 离心分离机 Centrifuge |
| 05/31/1989 | EP0318370A1 Method for measuring the thickness of a solid deposit on the walls of a centrifuge, means for carrying out this method and its special application in the production of sugar |
| 05/30/1989 | US4834890 Centrifugation pheresis system |
| 05/23/1989 | US4832853 Apparatus for improving characteristics of sand |
| 05/18/1989 | WO1989004214A1 Centrifugal separator |
| 05/16/1989 | CA1254127A1 Centrifuge tube-cutting apparatus and method |
| 05/11/1989 | DE3736809A1 Method and device for measuring the drum load, in particular in domestic washing machines and spin dryers |
| 05/09/1989 | US4828716 Apparatus and method for separating phases of blood |
| 04/27/1989 | DE3735030A1 Discharger for centrifuges |
| 04/25/1989 | CA1253087A1 Machine with a centrifugal drum |
| 04/20/1989 | WO1989003250A1 Centrifugal separator with a discharge device |
| 04/19/1989 | EP0312279A1 Centrifugal separator |
| 04/13/1989 | DE3732914A1 Emptying device for enclosed, discontinuously operating drum centrifuges |
| 04/11/1989 | US4820256 Centrifugal separator |
| 04/04/1989 | US4818296 Scraper for sugar centrifuge |
| 04/04/1989 | CA1252076A1 Liquid level maintaining system at a centrifugal separator |
| 03/30/1989 | DE3731229A1 Skimmer for discharging fluids from centrifuge drums |
| 03/28/1989 | US4816152 Separator for separating a mixture of two liquids having different specific weights |
| 03/15/1989 | EP0205473B1 Outlet arrangement in a centrifugal separator |
| 03/08/1989 | EP0305397A1 Annular centrifuge |
| 03/07/1989 | US4810374 Self-emptying centrifuge drum |
| 02/28/1989 | US4808308 Clarifying filter-centrifuge and method of filtering suspensions |
| 02/23/1989 | DE3727168A1 Centrifuge system |
| 02/21/1989 | US4805659 For regulating flow |
| 02/15/1989 | CN1031032A Improved centrifugal separator with rotating seals on fixed upper head |
| 02/08/1989 | EP0302464A2 Regulating device for a filtering centrifuge |
| 02/08/1989 | EP0302386A2 Centrifugal separator with axial inlets and outlets |
| 01/26/1989 | DE3737002C1 Device for precipitating fine particles of solids from waste water |
| 01/25/1989 | EP0300618A1 Method and apparatus concerning a centrifugal separator |
| 01/25/1989 | EP0300439A2 Separating device for small solid particles |
| 01/24/1989 | US4799920 Minerals separator |
| 01/18/1989 | EP0299054A1 Centrifugation pheresis system. |
| 01/18/1989 | EP0197063B1 Centrifugal separator |
| 01/17/1989 | CA1248928A1 Arrangement in connection with a centrifugal separator |
| 12/28/1988 | CN88211629U Discharging device for bag-filter type centrifugal machine |
| 12/28/1988 | CA1247572A Centrifugal separator with central sludge discharge |
| 12/13/1988 | US4790806 Decanter centrifuge incorporating airlift device |
| 11/23/1988 | EP0147450B1 Outlet arrangement for a centrifugal separator |
| 11/17/1988 | EP0290745A1 Apparatus for separating solids from liquids for dental use |
| 11/17/1988 | DE3728901C1 Weir for adjusting the level of liquid in solid-bowl centrifuge drums of worm centrifuges |
| 11/15/1988 | US4784635 Continuous-operation centrifuge drum for concentrating suspended solids |
| 11/15/1988 | US4784633 Centrifuge with a drum having solids-extraction openings |
| 11/03/1988 | DE3805016A1 Centrifuge drum |
| 11/01/1988 | US4781208 Device for regulating the concentration of cream in a centrifuge for separating milk |
| 11/01/1988 | CA1243990A1 Operating system for centrifugal separators |
| 10/26/1988 | EP0288197A2 Decanter centrifuge incorporating airlift device |
| 10/20/1988 | WO1988007893A1 Discharge device with a vortex chamber |
| 10/18/1988 | US4778444 Rotatable supply and discharge conduit of a centrifugal separator |
| 10/11/1988 | US4776964 Closed hemapheresis system and method |
| 10/06/1988 | DE3806742A1 Centrifuge with improved discharge arrangement |
| 10/05/1988 | EP0285076A2 Apparatus and method for separating phases of blood |
| 10/04/1988 | CA1242678A1 Outlet arrangement for a centrifugal separator |
| 09/27/1988 | US4773992 Separation of high and low density liquids, chips and fines |
| 09/15/1988 | DE3722866C1 Centrifuge drum for separating mixtures of fluids |
| 09/07/1988 | EP0194271A4 Closed hemapheresis system. |
| 09/06/1988 | US4769133 Reversible rotation for back-flushing |
| 08/16/1988 | CA1240653A1 Centrifugal separator |
| 08/11/1988 | WO1988005691A1 Centrifugation pheresis system |
| 07/26/1988 | US4759744 Centrifugal separator with recirculation of separated sludge |
| 07/14/1988 | DE3720797C1 Feed device for feeding in filler material vertically and concentrically into the accelerator pot of a centrifuge |
| 07/05/1988 | US4755165 Method and device for separating two liquid phases by means of a centrifuge |
| 06/28/1988 | US4753632 Device for separating fine particles of solid matter from waste fluid |
| 06/15/1988 | CN87107914A Closed container opener |
| 06/14/1988 | CA1238029A1 Method and apparatus for pneumatically evacuating centrifuges |
| 06/07/1988 | US4749486 Automatic lateral filtration-type centrifuge |
| 06/02/1988 | WO1988003839A1 Operating system for centrifugal separator |
| 06/01/1988 | DE3638652A1 Solid-bowl worm centrifuge |
| 06/01/1988 | DE3635059C1 Continuously operating centrifugal drum for concentrating suspended solids |
| 05/31/1988 | CA1237406A1 Sealless centrifuge processing channel and tube system |
| 05/26/1988 | DE3640170A1 Device for continuously dewatering suspensions in a centrifugal force field |
| 05/18/1988 | CN87208160U Mineral suite determinating and dividing unit of centrifugal concentrating machine |
| 05/05/1988 | DE3636216A1 Discharging station |
| 05/03/1988 | CA1236065A1 Centrifugal separator |
| 04/21/1988 | WO1988002664A1 Centrifugal separator having a stationary discharge member |
| 04/21/1988 | WO1988002662A1 A method for improving recovery by centrifugation of fragile materials from suspension in aqueous solutions |
| 04/21/1988 | DE3634994A1 Centrifuge |
| 04/14/1988 | DE3633528A1 Method for measuring the thickness of a solids layer on the peripheral wall of a centrifuge drum, and device for carrying it out |
| 04/13/1988 | EP0263344A1 Device for the separation of fine solid particles, especially amalgam particles, from waste water |
| 04/07/1988 | DE3713719C1 Centrifuged drum |
| 03/30/1988 | EP0261446A2 Multiple tubing arrangement and its manufacturing method |
| 03/16/1988 | EP0260034A1 Rotatable supply and discharge unit of a centrifugal separator |
| 03/08/1988 | US4729759 Centrifugal separator arranged for discharge of a separated product with a predetermined concentration |
| 03/01/1988 | CA1233445A1 Centrifugal separator |
| 02/10/1988 | EP0255623A2 Separating device for suspensions |
| 01/26/1988 | US4721505 Centrifugal separator |
| 01/12/1988 | US4718945 Sugar centrifuge |
| 01/12/1988 | US4718887 Centrifugal separator with a vertical axis and a skimmer |