| 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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| 07/25/1991 | WO1991010846A1 Centrifuge gearboxes |
| 07/24/1991 | CA2008493A1 Adjusting mechanisms for low speed particle concentrator |
| 07/23/1991 | US5033680 Outlet nozzle for centrifuge drums |
| 07/11/1991 | WO1991009680A1 Decanter centrifuge |
| 07/02/1991 | CA1285539C Rotating separator with vortex for heterogeneous liquid |
| 06/19/1991 | EP0433270A2 Separator and procedure to separate solid particles from a solid-air mixture |
| 06/18/1991 | US5024649 Bowl head assembly |
| 06/18/1991 | US5024648 Centrifugal separator with a discharge device |
| 06/12/1991 | EP0432147A2 Centrifugal separator |
| 06/12/1991 | EP0432142A2 Dental separator |
| 05/29/1991 | EP0428705A1 Centrifugal separator. |
| 05/29/1991 | CN2077753U Tripod type bottom discharge automatic centrifugal machine |
| 05/29/1991 | CN1051687A Centrifuger with netted-wall bucket for liquid separation |
| 05/28/1991 | WO1991008054A1 Centrifugal separator |
| 05/28/1991 | US5018971 Separator |
| 05/24/1991 | CA2003885A1 Centrifugal fluid separator |
| 05/22/1991 | CN2077330U Vertical centrifugal dewatering drum with network wall |
| 05/21/1991 | US5017396 Method of centrifuging cheese milk |
| 05/01/1991 | CN2075988U Three-feet type centrifuge discharging by means of lifting bag |
| 05/01/1991 | CN2075987U Foamy centrifuge for filtering algin solution |
| 04/24/1991 | EP0423461A2 Solid bowl decanter centrifuge |
| 04/20/1991 | WO1991005612A1 Method and apparatus for separation by flotation in a centrifugal field |
| 04/20/1991 | CA2069959A1 Method and apparatus for separation by flotation in a centrifugal field |
| 04/10/1991 | EP0420918A1 A decanter centrifuge. |
| 04/10/1991 | CN2074679U Centrifugal separator with turn-over device |
| 04/09/1991 | US5006103 Disposable container for a centrifuge |
| 04/03/1991 | EP0419635A1 Centrifugal separator having energy transformation. |
| 03/21/1991 | WO1991003319A1 Centrifugal separator |
| 03/20/1991 | CN2073325U Centrifugal filter machine for softening stannum |
| 03/06/1991 | CN1049617A Cis and inverse complex and spiral centrifuge |
| 02/27/1991 | EP0413705A1 Centrifugal separator with pumping means, arranged to accomplish a circulating flow |
| 02/20/1991 | CN2071540U Auto-feeding horizontal continuous charging centrifuge |
| 01/23/1991 | EP0409791A1 Drive for a decanter centrifuge |
| 01/23/1991 | CN2069753U Centrifugal ore-dressing machine capable of counterflow continuous discharging |
| 01/08/1991 | US4983156 Centrifugal separator |
| 01/04/1991 | WO1991000148A1 Centrifugal separator |
| 01/04/1991 | CA2035883A1 Centrifugal separator |
| 01/02/1991 | EP0405125A2 Method and apparatus for the post-treatment of heavy phase material in the heavy phase discharge zone of a screw decanter |
| 01/02/1991 | EP0404923A1 Centrifugal separator having a device for the transformation of kinetic energy to pressure energy. |
| 12/27/1990 | WO1990015667A1 Centrifugal separator |
| 12/27/1990 | EP0404548A2 Separator |
| 12/26/1990 | CN2068014U Mud, sand and water-mixed purifying machine |
| 12/26/1990 | CN2068013U Gravitational centrifugal filter machine |
| 12/18/1990 | US4978331 Method and apparatus for cleaning in place of a decanter centrifuge |
| 12/11/1990 | US4976678 Centrifugal separator |
| 12/05/1990 | EP0400431A2 Separation unit |
| 11/27/1990 | US4973299 Separation |
| 10/30/1990 | US4966576 Continuously operating centrifuge drum |
| 10/18/1990 | WO1990011835A1 Centrifugal separator having energy transformation |
| 10/10/1990 | EP0391043A2 Centrifuge for continuously separating materials of different densities |
| 10/10/1990 | EP0390899A1 Centrifugal separator. |
| 10/10/1990 | EP0390895A1 Centrifugal separator. |
| 10/09/1990 | US4961724 Low speed particle concentrators |
| 10/09/1990 | US4961723 Centrifuge drum for clarifying or separating centrifugates |
| 09/28/1990 | WO1990011133A1 Centrifugal flotation apparatus and method |
| 09/26/1990 | CN1045536A Horizontal continuous discharge centrifuge having feeding automatically |
| 09/25/1990 | US4959158 Method for separating disparate components in a fluid stream |
| 09/19/1990 | EP0387263A1 Centrifugal separator. |
| 09/19/1990 | EP0387262A1 Separator. |
| 09/18/1990 | US4957475 Solid-bowl helical centrifuge |
| 08/30/1990 | DE3901311C1 Continuously operating centrifuge drum for concentrating suspended solids |
| 08/29/1990 | CN2061089U 离心机 Centrifuge |
| 08/21/1990 | US4950219 Adjustable weir structure for a decanter centrifuge |
| 08/16/1990 | DE3904151A1 Centrifuge |
| 07/26/1990 | WO1990007983A1 Centrifugal separator having a device for the transformation of kinetic energy to pressure energy |
| 07/18/1990 | EP0290745B1 Apparatus for separating solids from liquids for dental use |
| 07/04/1990 | EP0376919A2 Decanter with a vibration upsetting component |
| 06/26/1990 | US4936821 Centrifugal separator with rotating seals on the fixed upper head |
| 06/19/1990 | US4934995 Blood component centrifuge having collapsible inner liner |
| 06/14/1990 | WO1990006182A1 Centrifugal liquid purifier |
| 06/13/1990 | DE3910302C1 Centrifuge |
| 06/12/1990 | US4932933 Apparatus for separating fine solid particles from waste water |
| 06/07/1990 | DE3920807C1 Centrifuge separating solid suspensions - has two outlets of identical dia. registering with each other |
| 06/06/1990 | CN2057869U Three-feet type screw discharging filter centrifugal machine |
| 06/06/1990 | CN1042671A Method and plant for freeing liquid from substance dispersed therein and having larger density than liquid |
| 06/05/1990 | US4930412 Centrifugal separator |
| 05/31/1990 | DE3936165A1 Centrifugal separator drum - in two parts with specified side angles and radii for annular triangular grooves |
| 05/30/1990 | EP0370068A1 Centrifugal separator with a discharge device. |
| 05/29/1990 | US4929227 Centrifuge drum for separating mixtures of liquids |
| 05/17/1990 | WO1990005028A1 Method and plant for freeing a liquid from a substance dispersed therein and having a larger density than the liquid |
| 05/15/1990 | US4925442 Operating system for centrifugal separator |
| 05/09/1990 | CN1041890A 离心分离机 Centrifuge |
| 05/09/1990 | CN1041889A 离心分离机 Centrifuge |
| 05/03/1990 | WO1990004461A1 Centrifugal separator |
| 05/03/1990 | WO1990004460A1 Centrifugal separator |
| 05/02/1990 | CN1007786B Centrifugal separator arranged for discharge of separated product with predetermined concentration |
| 05/02/1990 | CN1007785B Centrifugal separator with recirculation of separated sludge |
| 04/12/1990 | DE3834134A1 Centrifuge drum with a plate insert |
| 04/10/1990 | US4915851 Clarifying filter-centrifuge and method of filtering suspensions |
| 04/10/1990 | US4915682 Centrifugal separator |
| 04/10/1990 | US4915681 Centrifugal separator with continuous discharge |
| 04/10/1990 | EP0299032A4 Continuous centrifugation system and method for directly deriving intermediate density material from a suspension. |
| 04/05/1990 | DE3832979A1 Centrifuge drum |
| 04/04/1990 | EP0361964A2 Low speed particle concentrator |
| 03/27/1990 | US4911833 Closed hemapheresis system and method |
| 03/22/1990 | WO1990002839A1 Device for the selective separation of particles in a liquid, particularly for the purification of paper fibre suspensions |
| 03/21/1990 | EP0359682A1 Device for selectively separating particles in a fluid, in particular for purifying fibrous paper-making suspensions |
| 03/21/1990 | EP0048733B2 Hard surfacing for a centrifuge conveyor |
| 03/13/1990 | US4908048 Apparatus for degassing liquids by centrifugal force in a frustum shaped body |
| 03/01/1990 | DE3829158A1 Self-emptying drum separator |