Patents
Patents for B01D 33 - Filters with filtering elements which move during the filtering operation (10,149)
11/1980
11/18/1980US4234424 Apparatus for the purification of oily emulsions, solutions, and industrial waste waters
11/11/1980CA1089287A1 Method and apparatus for dehydration of sludges
11/04/1980US4231881 Pulp screen device
10/1980
10/28/1980US4230575 Uniform distribution of a liquid over a filter surface
10/21/1980US4229292 Countercurrent liquid-solid contacting apparatus
10/14/1980CA1087573A1 Valve apparatus and method of making same
10/07/1980US4226725 Vacuum belt filters
10/07/1980US4226716 Rotary filter
10/07/1980US4226715 Apparatus and method for separating entrained particulate matter from a conveying fluid
10/07/1980CA1087108A1 Serum skimmer
09/1980
09/23/1980US4224166 Drum filter and method
09/23/1980US4224153 Process and a filter for filtering a liquid containing solids having a substantially different specific gravity relative to the liquid
09/23/1980CA1086240A1 Cell filters
09/23/1980CA1086236A1 By-pass and synchronized blow system and method for rotary vacuum filters
09/23/1980CA1086130A1 Continuous filter press
09/16/1980US4222865 Trommel screen unit
09/16/1980CA1085593A1 Apparatus for solvent extraction
09/09/1980US4221390 Contact seal
09/09/1980CA1085314A1 Method and device for separation of suspended material from a fluid flow
09/09/1980CA1085139A1 Apparatus and process for continuous concentration and washing of solids from a solids-containing fluid
09/02/1980US4220540 Filtering scraper
09/02/1980US4220539 Edge seals for liquid filters
09/02/1980US4220537 Drum type disc filter device for paper pulp slurry
09/02/1980US4220536 Apparatus for filtering liquids
08/1980
08/19/1980US4218322 Water filtration apparatus
08/19/1980CA1084182A1 Method for separating pollutants from liquid
08/19/1980CA1083976A1 Method and apparatus for the filtration of a suspension or emulsion
08/19/1980CA1083974A1 Microscreen drum
08/19/1980CA1083883A1 Compression rollers for dehydration equipment
08/06/1980EP0014179A1 Device for extracting components from solid and semi-solid materials
08/05/1980US4216094 Sector body for rotary disc dewatering apparatus
08/05/1980US4216093 Fabricated disc filter core with pipe having a maximized internal cross-sectional area
07/1980
07/29/1980CA1082608A1 Method and device for dewatering of suspensions in movement
07/23/1980EP0013549A1 Dehydration plant
07/23/1980EP0013548A1 Apparatus for dewatering water-containing substances
07/15/1980US4212745 Belt filter
07/15/1980US4212737 Processes and apparatus for removing suspended matter from suspensions by filtration through foams
07/08/1980US4211653 Method for vacuum filtration
07/08/1980US4211162 Process for the batch filtering of suspensions
07/08/1980CA1081016A1 Twin-wire section of a paper machine
07/01/1980US4210539 Water screen
07/01/1980CA1080637A1 Filtering apparatus for sludgy liquids
07/01/1980CA1080636A1 Filter and associated filter web with sealed segments
06/1980
06/24/1980US4209488 Fluid collection apparatus
06/17/1980US4208289 Reverse osmosis apparatus employing a reciprocating membrane cartridge
06/10/1980US4207190 Rotary vacuum disc filter
06/10/1980CA1079229A1 Mud metering testing and cleansing system
06/03/1980US4206056 Continuous filtration/separation apparatus
05/1980
05/27/1980US4204855 Apparatus for dewatering granulated-slag slurry
05/20/1980US4203846 Disc sector
05/20/1980US4203845 Filter press
05/20/1980CA1077860A1 Continuous tubular filter
05/14/1980EP0010747A1 Apparatus for filtering solids-containing liquids
05/13/1980CA1077405A1 Vacuum filter with indexable filter web
05/06/1980US4201670 Method of and device for filtering liquids
04/1980
04/30/1980EP0010330A1 Vacuum filter belt apparatus
04/29/1980US4200530 Rotary filter
04/22/1980US4199453 Apparatus for protecting aquatic life passing through a water filter
04/15/1980US4198299 Prevention of backwashing
04/15/1980CA1075616A1 Filter with unsettled fines removal before settled cake treatment
04/08/1980US4197201 Apparatus for the filtration of a suspension or emulsion
04/01/1980US4196078 Process and apparatus for dewatering granulated material, especially granulated blast furnace slag
03/1980
03/18/1980US4193875 Rotary filter
03/11/1980US4192749 Screens for water intakes
03/11/1980US4192746 Liquid clarification system
03/11/1980US4192743 Process of dewatering sludge-type material and installation for carrying out the process
03/04/1980US4191653 Self washing belt strainer
02/1980
02/26/1980US4190544 Filter element for a rotatable disc filter
02/26/1980US4189916 Eutectic alloy of sodium and potassium fuel
02/19/1980US4189385 Method and apparatus for separating serum or plasma from the formed elements of the blood
02/19/1980US4188797 Counter current crystallizer
02/19/1980CA1072019A1 Rotary filter with plastic covered support structure
02/12/1980US4188294 Rotary filter apparatus
02/12/1980CA1071540A1 Thickening means and method
01/1980
01/29/1980US4186098 Sludge dewatering apparatus
01/29/1980US4186092 Vacuum belt filters
01/29/1980US4186091 Backwashing
01/29/1980US4186090 Method and device for removing a liquid from a mixture of liquid and solid substances
01/29/1980US4186089 Rotary filters
01/22/1980US4184952 Measurement of BSW in crude oil streams
01/08/1980CA1069378A1 Consecutive, independent dewatering apparatus and method for improved sludge treatment
01/08/1980CA1069302A1 Method and device for sludge treatment
01/01/1980US4181616 Device for dewatering sludge or the like
12/1979
12/25/1979US4180461 Vacuum separator having staggered filtrate tubes
12/18/1979US4179378 Prevents leakage and deformation of rubber gaskets
12/11/1979US4178251 Endless belts
12/04/1979US4177148 Mechanical strainer
12/04/1979US4176984 Fish holding pan on traveling water screen and method of flushing same
11/1979
11/27/1979CA1067017A1 Vacuum belt filters with liquid edge seal
11/27/1979CA1067016A1 Moving bed particulate filter
11/20/1979CA1066635A1 Endless filter belt
11/20/1979CA1066633A2 Solids concentrator with a rotor having ploughs thereon
11/13/1979CA1066199A1 Rotary pelletizing vacuum filter
11/06/1979US4173419 Rotary mixer
10/1979
10/30/1979US4172795 Centrifugal pressure filter with horizontal filter disks
10/30/1979US4172791 Multiple cell filter having a gas discharge
10/23/1979US4172037 Continuous process diffuser
10/23/1979US4172035 For quick connection and disconnection of a moveable filter belt to a conveyor chain
10/23/1979CA1064766A1 Method and apparatus for the continuous filtration of a liquid impregnated mass
10/16/1979CA1064296A1 Continuous process diffuser
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