| Patents for B04B 11 - Feeding, charging, or discharging bowls (3,429) |
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| 11/06/1991 | EP0242358B1 Method of separation of a dental solid-liquid mixture |
| 10/16/1991 | CN1055307A 离心分离器 Centrifugal separator |
| 10/09/1991 | CN1055128A 翻口过滤器式离心机 Turned mouth filter centrifuge |
| 10/03/1991 | WO1991014507A1 Sleeve filter centrifuge |
| 10/02/1991 | EP0448737A1 Reversible filter centrifuge |
| 10/01/1991 | US5052996 Centrifugal separator |
| 09/25/1991 | EP0447742A2 Decanter centrifuge |
| 09/19/1991 | DE4008668A1 Sepn. appts. for solids in suspensions - has rotating drum with base and is divided into ring chambers from which solids are scraped onto conveyor and tubular scoop removes water |
| 09/03/1991 | US5044092 Automated method for the cyclic operation of a centrifugal drier |
| 08/22/1991 | WO1991012082A1 Centrifugal separator with annular discs in the inlet chamber |
| 08/22/1991 | WO1991012081A1 Centrifuge with self-emptying centrifuging drum |
| 08/22/1991 | DE4004584A1 Horizontal centrifugal slurry filter removes filtrate and cake - in sequence controlled by internal vibration-responsive sensors |
| 08/20/1991 | US5041075 Continuous-operation centrifuge drum for concentrating suspended solids |
| 08/14/1991 | EP0441410A1 Procedure to separate solid particles from liquid particles of a dental mixture |
| 08/08/1991 | WO1991011264A1 Alarm device on periodically self-cleaning centrifuges |
| 07/16/1991 | US5032288 Blood collection method |
| 07/04/1991 | DE3943114A1 Container for transport of workpieces - is shaped to receive centrifuge baskets containing articles |
| 06/19/1991 | EP0433270A2 Separator and procedure to separate solid particles from a solid-air mixture |
| 06/18/1991 | US5024648 Centrifugal separator with a discharge device |
| 06/12/1991 | EP0432142A2 Dental separator |
| 06/12/1991 | EP0431427A2 Method and device for withdrawing liquids from a centrifuge |
| 06/12/1991 | EP0431426A1 Process and installation for operating a filter centrifuge |
| 05/28/1991 | US5018971 Separator |
| 04/10/1991 | CN2074679U Centrifugal separator with turn-over device |
| 04/03/1991 | EP0419635A1 Centrifugal separator having energy transformation. |
| 04/03/1991 | CN1012267B Closed container opener |
| 03/07/1991 | DE3929597A1 Solids deflecting system for continuous working centrifuges - in which adherence to dead spots and fracture of centrifuged particles is avoided by deflector ring with extended holes and guides |
| 03/05/1991 | US4997575 Filtering centrifuge |
| 02/27/1991 | EP0413705A1 Centrifugal separator with pumping means, arranged to accomplish a circulating flow |
| 02/19/1991 | CA1280384C Minerals separator |
| 01/29/1991 | CA1279623C Centrifugal separator |
| 01/23/1991 | EP0409644A2 Racloir rotatif à élément en spirale dans une centrifugeuse |
| 01/16/1991 | EP0407999A1 Method of separating liquid |
| 01/03/1991 | DE3920303A1 Centrifuged cake detachment and transfer into worm extractor - via fixed diffuse round mobile end of feeder tube |
| 01/02/1991 | EP0406095A1 Process for automatically driving a discontinuously working centrifuge |
| 01/02/1991 | EP0406094A1 Process for automatically driving a discontinuously working centrifuge |
| 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. |
| 12/19/1990 | EP0403031A2 Fractionation system and method for cellular suspensions |
| 12/11/1990 | US4976678 Centrifugal separator |
| 12/05/1990 | EP0400431A2 Separation unit |
| 10/25/1990 | DE4010748A1 Verfahren zum betrieb einer schubzentrifuge A method of operating a centrifuge feed |
| 10/23/1990 | US4964845 Minerals separator |
| 10/18/1990 | WO1990011835A1 Centrifugal separator having energy transformation |
| 10/14/1990 | WO1990011834A1 Process for operating a shearing centrifuge |
| 10/14/1990 | CA2051122A1 Process for operating a shearing centrifuge |
| 10/10/1990 | EP0391456A2 Separator |
| 10/10/1990 | EP0390895A1 Centrifugal separator. |
| 10/09/1990 | US4961723 Centrifuge drum for clarifying or separating centrifugates |
| 09/19/1990 | EP0387263A1 Centrifugal separator. |
| 09/18/1990 | US4957475 Solid-bowl helical centrifuge |
| 08/29/1990 | EP0384546A2 Minerals separator |
| 08/22/1990 | EP0383166A2 Scraping and discharging device |
| 07/26/1990 | WO1990007983A1 Centrifugal separator having a device for the transformation of kinetic energy to pressure energy |
| 07/25/1990 | EP0194280B1 Centrifuge tube-cutting apparatus and method |
| 07/24/1990 | CA1271927A1 Closed container opener |
| 07/18/1990 | EP0290745B1 Apparatus for separating solids from liquids for dental use |
| 06/13/1990 | DE3936150A1 Skimmer disc for centrifugal separator - has peripheral intersection of entry channel inner flank and evolvent-shaped external surface located at largest dia. of disc |
| 06/12/1990 | US4932933 Apparatus for separating fine solid particles from waste water |
| 05/30/1990 | EP0370068A1 Centrifugal separator with a discharge device. |
| 05/29/1990 | US4929227 Centrifuge drum for separating mixtures of liquids |
| 05/15/1990 | US4925442 Operating system for centrifugal separator |
| 05/09/1990 | CN1041890A 离心分离机 Centrifuge |
| 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 | DE3833523A1 Skimming disc for discharging liquids from centrifuge drums |
| 04/10/1990 | US4915851 Clarifying filter-centrifuge and method of filtering suspensions |
| 04/10/1990 | US4915682 Centrifugal separator |
| 03/27/1990 | US4911833 Closed hemapheresis system and method |
| 03/15/1990 | DE3925198A1 Monitoring successive stages of centrifugal slurry filtration - by vibration sensor mounted on arm pivoting towards sieve surface |
| 03/13/1990 | US4908048 Apparatus for degassing liquids by centrifugal force in a frustum shaped body |
| 03/12/1990 | EP0299054A4 Centrifugation pheresis system. |
| 03/01/1990 | DE3927707A1 Auxiliary scraper following cake cutter in centrifuge drum - held in resilient contact with the residual layer |
| 02/15/1990 | DE3826461C1 Method and device for the centrifugal sterilisation of milk |
| 02/13/1990 | US4900928 Process and apparatus for determining quantity of radioactive material in a centrifuge |
| 02/13/1990 | US4900453 Filter centrifuge control |
| 01/31/1990 | EP0205474B1 Arrangement for controlling of the outflow of a separated component from a centrifugal separator |
| 01/23/1990 | US4895666 Centrifuge with two withdrawal chambers |
| 01/17/1990 | CN1006446B Minerals separator |
| 01/16/1990 | US4894050 Sterile laboratory centrifuge |
| 01/11/1990 | DE3822983A1 Solid-bowl worm centrifuge |
| 01/03/1990 | EP0348639A2 Process and apparatus for separating liquid parts and fine granular parts from a sugar suspension |
| 01/02/1990 | US4891041 Device for separating solids from liquids in a dental apparatus |
| 12/14/1989 | DE3819532A1 Entwaesserungszentrifuge Entwaesserungszentrifuge |
| 12/13/1989 | EP0346056A2 Centrifugal separator |
| 12/13/1989 | EP0345517A2 Device for thickening and/or dosing a liquid-solid mixture |
| 12/06/1989 | EP0345178A1 Apparatus for completely scraping off the cake produced in controlled centrifuges |
| 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 | CN1005687B Liquid level maintaining system at centrifugal separator |
| 10/26/1989 | DE3906228A1 Centrifuge basket |
| 10/26/1989 | DE3818731C1 Transport and treatment box |
| 10/18/1989 | CN1005461B Inlet device in centrifugal separator |
| 10/11/1989 | EP0336602A2 Centrifuge and method of drying wet particulate matter |
| 10/11/1989 | CN1036148A Equipment for mineral concentration |
| 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 |