Patents
Patents for B01D 33 - Filters with filtering elements which move during the filtering operation (10,149)
12/1983
12/22/1983WO1983004377A1 Apparatus for universal water treatment
12/21/1983EP0096375A2 Device for separating serum from blood sample
12/20/1983US4421647 Filter with indexable filter web
12/13/1983US4420402 Method and apparatus with couch press for dewatering a slurry of fine particles
12/06/1983US4419249 Method and apparatus for dewatering a slurry of fine particles
12/06/1983US4419165 Method of making a rotary drum filter and method of making an annular valve housing for such a drum filter
11/1983
11/30/1983EP0094994A1 Improved rotary drum filter
11/29/1983US4417982 Device for the dewatering of naturally moist lump peat
11/22/1983CA1157427A1 Vibrating screen with self-supporting screen cloth
11/22/1983CA1157390A1 Belt pressure filter
11/22/1983CA1157389A1 Apparatus for thickening sludge
11/16/1983EP0094264A2 Screen device for the separation of solid particles from a liquid
11/15/1983US4415462 Self-cleaning screen
11/01/1983CA1156155A1 Horizontal endless belt vacuum filter
10/1983
10/18/1983CA1155404A1 Portable water purifier especially for domestic use
10/18/1983CA1155403A1 Treatment apparatus
10/04/1983US4407720 With simultaneous backwashing
09/1983
09/27/1983US4406795 Separating protein solids from fat-containing liquid by filtration
09/20/1983US4405454 Process and apparatus for the dewatering of solids in suspension
09/13/1983US4404099 Sludge thickening
09/07/1983EP0088003A1 Horizontal rotary table filter and supporting structure for such a filter
09/07/1983EP0087651A2 Apparatus to support pressure bands in a roll-supported double band press
09/06/1983US4402834 Method for dewatering sludge-type material
08/1983
08/30/1983US4401564 Device for affixing a filter mesh to the drum of a rotary drum filter
08/30/1983CA1152900A1 Dewatering system
08/30/1983CA1152899A1 Travelling water screens
08/24/1983EP0086539A1 Device for culturing micro-organisms
08/24/1983EP0086437A2 Process and device for the regeneration by compression of flexible porous materials
08/23/1983US4399622 Fluid intake openings for a suction dredger
08/18/1983WO1983002731A1 Screen machine
08/17/1983EP0085878A1 Method for regulating a continuously working pressure filter
08/16/1983US4399042 Scraper blades, vacuum, waste water filtration
08/16/1983US4399034 Movable filter bed
08/16/1983US4398996 Papermaking
08/16/1983CA1151924A1 Doctor blade lifter over belt seam
08/09/1983US4397694 For washing filter cake
08/09/1983CA1151783A1 Integrated flotation filtration process
08/04/1983WO1983002585A1 Liquid-solid separation utilizing pressure rolls covered with elastomeric layers
08/02/1983US4396504 Mobile waste oil cleaning apparatus
07/1983
07/21/1983WO1983002470A1 Method and apparatus in screening fibre suspensions
07/20/1983EP0083790A2 Apparatus for removing liquid from a suspension
07/19/1983CA1150158A1 Filter for removing fines
07/13/1983EP0083463A1 Washing column
07/12/1983US4392951 Screen filter
07/12/1983US4392422 Apparatus for removing liquid from a suspension
07/05/1983US4391706 Filter element sealing device for filter pan
07/05/1983CA1149335A1 Centrifugal-pump type cleaner element in a screening system
07/05/1983CA1149291A1 Multi-disk rotary filter
06/1983
06/28/1983US4390427 Plate-type filter
06/28/1983CA1148871A1 Trunnion and trunnion packing sleeve insert for rotary drum filter
06/21/1983US4388938 Filter cleaning apparatus
06/14/1983CA1148120A1 Screen unit
06/14/1983CA1148119A1 Strainer means for pulp purification
05/1983
05/17/1983US4383877 Method of making an annular valve housing for a rotary drum filter
05/11/1983EP0078727A1 Filter apparatus for a liquid containing diverse impurities
05/10/1983CA1146088A1 Conveying means for use in filtering devices
05/04/1983EP0078243A2 Improvements in rotary-drum filters
04/1983
04/27/1983EP0077461A2 Apparatus for removing a film layer from a rotatable filter drum
04/19/1983US4380494 Vibrating screen with self-supporting screen cloth
04/19/1983CA1144870A1 Equipment for filtering, grading and cleaning of material
04/12/1983US4379718 Process for separating solid particulates from a melt
04/05/1983US4379055 Apparatus for the drip dry conveyance of oil-fried dough products
04/05/1983CA1144112A1 Composite butt welded and reinforced cylindrical screens
04/05/1983CA1144082A1 Process for combined waste utilization and the clarification of waste water and a multi-stage filtration device for the performance of the process
04/05/1983CA1144056A1 Continuous packed bed wash column
04/05/1983CA1143981A1 Filter or wire machine for washing stock suspensions
03/1983
03/29/1983CA1143527A1 Flowable material passage with interposable slide member
03/23/1983EP0074935A2 Self-cleaning reciprocating screen
03/23/1983EP0074766A2 Self-cleaning vanes
03/22/1983CA1143401A1 Submerged large diameter fluid seal
03/22/1983CA1143295A1 Means for separation of suspended solid particles from a liquid flow
03/16/1983EP0074342A2 Filtering apparatus
03/15/1983US4376705 Filtering and drying apparatus
03/15/1983US4376704 Vacuum double drum filter
03/08/1983US4376049 Dynamic filter system
03/08/1983US4375825 Integral valve apparatus
03/08/1983CA1142451A1 Traveling belt filter
03/03/1983WO1983000637A1 Filtering apparatus
03/01/1983CA1142099A1 Centrifugal oil filter
03/01/1983CA1141943A1 Process and equipment for the extraction of solid material from liquid containing solids granulated by heat effect
02/1983
02/23/1983EP0072590A2 Vibrating dewatering screen for an apparatus for recovery of particulate matter from suspension
02/22/1983US4374736 Carrying frame and screening band moving in endless loop
02/22/1983US4374729 Strainer drum for pulp and the like
02/15/1983CA1141305A1 Rotary sieve for separation of solids from liquids
02/09/1983EP0071480A2 Vacuum filter transporter belt
02/08/1983CA1140866A1 Control head for a rotary-cell filter
02/01/1983CA1140499A1 Disk screen, modular disk assembly and method
01/1983
01/25/1983US4370231 Rotary drum filter
01/19/1983EP0069980A1 Separating and cleaning device for a cooling lubricant
01/18/1983US4369081 Method of securing a foam layer to a belt
01/12/1983EP0069336A2 Filter drum for waste water
01/11/1983US4368125 Apparatus for extracting liquid from a suspension
01/11/1983US4367698 Internal combustion engine based on reactant contact ignition
01/04/1983US4366951 Apparatus for refining metal melts from insuluble impurities
12/1982
12/29/1982EP0067959A2 Transportable apparatus for treating used emulsions, solutions and waste waters
12/21/1982US4364336 Self starting of internal combustion engines based on reactor
12/07/1982US4362622 Filter
12/07/1982CA1136995A1 Pressurizable rotary filter
11/1982
11/23/1982US4360432 Filtering apparatus having inlet vanes for preventing accumulation of particulates
11/23/1982US4360426 Joint between traveling water screen trays
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