| Patents for B04B 1 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles (4,479) |
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| 02/21/1990 | CN2053113U Tripodal filter centrifuge with screw discharging |
| 02/20/1990 | CA1266035A1 Apparatus and process for extracting water from solid fines or the like |
| 02/15/1990 | DE3826461C1 Method and device for the centrifugal sterilisation of milk |
| 02/06/1990 | US4898571 Solid bowl centrifuge |
| 02/06/1990 | CA1265490A1 Fine gold recovery system |
| 01/31/1990 | EP0205474B1 Arrangement for controlling of the outflow of a separated component from a centrifugal separator |
| 01/16/1990 | US4894050 Sterile laboratory centrifuge |
| 01/11/1990 | DE3822983A1 Solid-bowl worm centrifuge |
| 01/10/1990 | EP0069119B1 Fluid recovery system |
| 01/02/1990 | US4891041 Device for separating solids from liquids in a dental apparatus |
| 12/28/1989 | WO1989012506A1 A decanter centrifuge |
| 12/28/1989 | DE3821486A1 Self-emptying centrifugal drum |
| 12/27/1989 | EP0348213A2 An improved solids-liquids separator |
| 12/13/1989 | EP0346056A2 Centrifugal separator |
| 11/23/1989 | DE3816210A1 Solid-bowl worm centrifuge |
| 11/16/1989 | WO1989010793A1 Centrifugal separator with pumping means, arranged to accomplish a circulating flow |
| 11/15/1989 | EP0341433A2 Solid bowl screw conveyor centrifuge |
| 11/08/1989 | CN1005688B Centrifuge rotor inlet device |
| 11/08/1989 | CN1005686B 离心分离机 Centrifuge |
| 11/07/1989 | US4879031 Blood centrifugation cell |
| 11/02/1989 | DE3813646A1 Drum separator |
| 10/18/1989 | CN1005461B Inlet device in centrifugal separator |
| 10/17/1989 | US4874357 Centrifugal flotation apparatus |
| 10/05/1989 | DE3833063C1 Skimming disc for discharging fluids from centrifuge drums |
| 10/05/1989 | DE3802305C1 Process and apparatus for the centrifugal removal of bacteria from milk |
| 10/04/1989 | EP0335120A2 Centrifugal apparatus |
| 10/04/1989 | CN1035962A Centrifugal seperator |
| 10/03/1989 | US4871349 Centrifuge for separating mixtures of liquids |
| 09/26/1989 | US4869713 Centrifugal machine with retractable supply spout |
| 09/26/1989 | CA1260900A1 Pendular type centrifugal separator |
| 09/26/1989 | CA1259973A1 Closed hemapheresis system and method |
| 09/21/1989 | WO1989008502A1 Centrifugal separator |
| 09/21/1989 | DE3907659A1 Sediment-forming, remote-controllable centrifuge for separating solids and liquids |
| 09/20/1989 | EP0332639A1 Operating system for centrifugal separator |
| 08/31/1989 | DE3841634A1 Method for opening a centrifugal separator in a solid-dependent manner |
| 08/29/1989 | US4861329 Centrifugal separator |
| 08/24/1989 | DE3810472C1 Solid-bowl worm centrifuge for fluid/solid mixtures |
| 08/22/1989 | US4859333 Continous blood centrifugation cell |
| 08/15/1989 | US4857040 High-speed centrifugal extractor having improved weirs |
| 08/10/1989 | DE3802333A1 Centrifuge for dewatering solid/liquid mixtures |
| 08/03/1989 | DE3826912C1 Self-emptying spinning drum |
| 07/19/1989 | CN2041206U Tumbler centrifugal machine with full cylinder shape |
| 07/12/1989 | CN2040808U Superfine granule sorter |
| 07/11/1989 | US4846781 Centrifugal separator |
| 07/11/1989 | US4846780 Centrifuge processor and liquid level control system |
| 07/11/1989 | US4846728 Floating seal arrangement for centrifugal separators and like rotating apparatus |
| 07/05/1989 | EP0322516A2 Solid bowl centrifuge |
| 06/28/1989 | CN2040002U Continuous centrifugal ore separator |
| 06/27/1989 | US4842738 Centrifuge device |
| 06/22/1989 | DE3837720A1 Control water system with radially external control valve for centrifugal separators |
| 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 | EP0320105A1 Centrifuge with flow influencing means |
| 06/14/1989 | CN1033355A 离心分离机 Centrifuge |
| 06/13/1989 | CA1255642A1 Centrifugal concentrator |
| 05/31/1989 | CN1033162A Spiral unloading-sediment centrifugal machine |
| 05/24/1989 | CN2038028U Helical discharge sedimentation-type centrifuge |
| 05/24/1989 | CN2038027U Continuous centrifuge for separating waste water from wine with dregs |
| 05/18/1989 | WO1989004214A1 Centrifugal separator |
| 05/18/1989 | WO1989004152A1 Separator |
| 05/18/1989 | DE3804299C1 Device for separating off (precipitating) fine solid particles from waste water |
| 05/09/1989 | US4828865 Centrifuging and continuously extracting juice with high pulp concentration |
| 05/09/1989 | US4828541 Decanter centrifuge |
| 05/03/1989 | DE3821061A1 Self-emptying drum separator |
| 05/03/1989 | CN2036865U Horizontal continuously feeding hydro-extracting cage |
| 05/02/1989 | US4826608 For dewatering solid-liquid mixtures, sieve bowl |
| 04/27/1989 | DE3828038A1 Centrifuge drum for separating mixtures of fluids |
| 04/26/1989 | CN1032501A 离心式分离器 Centrifugal separator |
| 04/25/1989 | US4824431 Centrifugal concentrator |
| 04/25/1989 | US4824430 High-speed centrifugal extractor having spiral liquid path |
| 04/20/1989 | WO1989003250A1 Centrifugal separator with a discharge device |
| 04/19/1989 | EP0312279A1 Centrifugal separator |
| 04/19/1989 | EP0312233A1 Centrifugal separator |
| 04/19/1989 | EP0312045A1 Centrifugal extractor |
| 04/11/1989 | US4820256 Centrifugal separator |
| 04/05/1989 | CN1003774B Self-pumping and continuous-flowing centrifuger |
| 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 |
| 03/21/1989 | US4813923 Centrifugal separator |
| 03/15/1989 | EP0205473B1 Outlet arrangement in a centrifugal separator |
| 03/15/1989 | CN1003570B Parallel-flowing horizontal centrifuge with multicone angle |
| 03/14/1989 | CA1251184A1 Method and apparatus for separating the components of a wellstream |
| 03/07/1989 | US4810374 Self-emptying centrifuge drum |
| 03/07/1989 | US4810240 Centrifugal separator of liquids with rotating seals on the fixed upper head |
| 02/28/1989 | US4808308 Clarifying filter-centrifuge and method of filtering suspensions |
| 02/28/1989 | CA1250556A1 Fractionation device and method |
| 02/15/1989 | CN1031032A Improved centrifugal separator with rotating seals on fixed upper head |
| 02/08/1989 | EP0302386A2 Centrifugal separator with axial inlets and outlets |
| 02/02/1989 | DE3729821C1 Solid-bowl centrifuge drum |
| 01/26/1989 | DE3737002C1 Device for precipitating fine particles of solids from waste water |
| 01/26/1989 | DE3723864A1 Solid-bowl worm centrifuge |
| 01/25/1989 | EP0300618A1 Method and apparatus concerning a centrifugal separator |
| 01/25/1989 | EP0300439A2 Separating device for small solid particles |
| 01/25/1989 | EP0299966A1 Apparatus for separating mixtures |
| 01/18/1989 | EP0299032A1 Continuous centrifugation system and method for directly deriving intermediate density material from a suspension. |
| 01/18/1989 | EP0197063B1 Centrifugal separator |
| 01/18/1989 | CN2030910U Three-purpose centrifuge |
| 01/17/1989 | US4798577 Solid particulate material suspended in a liquid |
| 01/17/1989 | CA1248928A1 Arrangement in connection with a centrifugal separator |