| Patents for B01D 29 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups; filtering elements therefor (33,527) |
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| 09/09/1980 | CA1085139A1 Apparatus and process for continuous concentration and washing of solids from a solids-containing fluid |
| 09/03/1980 | EP0014987A1 Filter control apparatus provided with pneumatic valves for cyclic reverse flow cleaning of filter bags in a grain mill |
| 09/03/1980 | EP0014780A1 Welded flexible screen |
| 09/02/1980 | US4220542 Filter having an interior liquid displacement means |
| 09/02/1980 | US4220540 Filtering scraper |
| 09/02/1980 | US4220539 Edge seals for liquid filters |
| 09/02/1980 | US4220536 Apparatus for filtering liquids |
| 09/02/1980 | CA1084851A1 Filter holding means |
| 08/26/1980 | US4219423 Air-injection cleaning system for liquid filters |
| 08/26/1980 | US4219420 Arrangement for and a process of filtering a contaminated medium |
| 08/19/1980 | US4218324 Filter element having removable filter media member |
| 08/19/1980 | US4218319 Method and a device for automatic cleaning of trashracks at water intakes for water power plants and similar |
| 08/19/1980 | US4217700 Process for drying filtration residue |
| 08/19/1980 | CA1084182A1 Method for separating pollutants from liquid |
| 08/19/1980 | CA1084181A1 Apparatus for removal of impurities from liquids |
| 08/19/1980 | CA1083976A1 Method and apparatus for the filtration of a suspension or emulsion |
| 08/12/1980 | US4217225 Cradle system |
| 08/12/1980 | US4217220 Rotary filter |
| 08/12/1980 | US4217219 Sewage delivery and filtration system |
| 07/29/1980 | US4214991 Tube pressure filters |
| 07/29/1980 | US4214989 Apparatus for cleaning a screen disposed in a water channel |
| 07/29/1980 | US4214988 Ditch water cleaning apparatus |
| 07/29/1980 | US4214612 Tube of non woven material for reversed osmosis |
| 07/29/1980 | CA1082608A1 Method and device for dewatering of suspensions in movement |
| 07/29/1980 | CA1082590A1 Wellhead apparatus |
| 07/24/1980 | WO1980001465A1 Filter thermal bypass valve |
| 07/22/1980 | US4213861 Pressure filter and process for cleaning it |
| 07/22/1980 | US4213823 Paper making machine screen with staggered foils |
| 07/15/1980 | US4212746 Carboxylated neoprene latex containing zinc oxide, non-sticking |
| 07/15/1980 | US4212745 Belt filter |
| 07/15/1980 | US4212739 Disposable filter canister and housing |
| 07/15/1980 | US4212737 Processes and apparatus for removing suspended matter from suspensions by filtration through foams |
| 07/15/1980 | US4212736 Water atomizing gravity settling on filter bed, suction |
| 07/15/1980 | CA1081621A1 Inline oil filter assembly |
| 07/08/1980 | US4211660 Filter-purifier cartridge |
| 07/08/1980 | US4211162 Process for the batch filtering of suspensions |
| 07/08/1980 | CA1081131A1 Microporous filter holder |
| 07/01/1980 | US4210538 Filter back-washing |
| 07/01/1980 | US4210537 Liquid treatment apparatus |
| 07/01/1980 | US4210177 Positive reset safety control system for frying apparatus |
| 07/01/1980 | US4210123 Filter system for frying apparatus |
| 07/01/1980 | CA1080636A1 Filter and associated filter web with sealed segments |
| 06/24/1980 | US4209401 Filter drier |
| 06/24/1980 | CA1080131A1 Tube pressure filters |
| 06/24/1980 | CA1080130A1 Pharmaceutical filter |
| 06/17/1980 | US4208288 Filtering apparatus |
| 06/17/1980 | CA1079690A1 Semi-hydrofoil profile in a rotating screen clearer |
| 06/11/1980 | EP0011978A1 Improved household water filter |
| 06/10/1980 | US4207187 Apparatus for filtering and cooling oil or other fluids |
| 06/10/1980 | US4207181 Self-cleaning filters |
| 06/03/1980 | US4206055 Household water filter |
| 06/03/1980 | CA1078749A1 Autogenously bonded filter assemblies and method of bonding same |
| 05/29/1980 | WO1980001037A1 Disposable filter bag |
| 05/27/1980 | US4204967 Tubewell screen filters |
| 05/27/1980 | US4204966 Liquid filter and filter element |
| 05/27/1980 | US4204961 Filter apparatus with cleaning function |
| 05/27/1980 | US4204960 Combination strainer and suction inlet pipe |
| 05/20/1980 | US4203836 Absorption of the metal hydroxides |
| 05/20/1980 | CA1077864A1 Filter elements for gas or liquid and methods of making such elements |
| 05/14/1980 | EP0010705A1 Filtering apparatus having interconnected parts |
| 05/13/1980 | US4202777 Flow distribution means for screening apparatus |
| 05/13/1980 | US4202771 Chemical recovery filter |
| 05/13/1980 | CA1077406A1 Filtering elements |
| 05/13/1980 | CA1077405A1 Vacuum filter with indexable filter web |
| 05/06/1980 | US4201675 Liquid filter with novel seal means |
| 05/06/1980 | US4201674 Apparatus for cleaning plate-type filter elements located in a tank filter |
| 05/06/1980 | US4201119 Filter pleating machine |
| 04/30/1980 | EP0010338A1 Filter for filtering viscous liquids and particularly molten thermoplastic synthetic resins |
| 04/29/1980 | US4200537 Apparatus for the purification of paper pulp |
| 04/29/1980 | US4200444 Filters |
| 04/29/1980 | CA1076489A1 Reverse flow foam filter |
| 04/22/1980 | US4199456 Apparatus for a screen assembly for removing solids from fluids |
| 04/22/1980 | US4199454 Filter |
| 04/22/1980 | US4199443 For selectively detecting particles above predetermined size |
| 04/22/1980 | CA1076067A1 Airfoil-shaped rotating stock screen cleaner with inner pumping rib |
| 04/22/1980 | CA1076041A1 Filters for liquids or gases |
| 04/08/1980 | US4197156 Apparatus for producing hollow-cylindrically shaped fibrous articles |
| 04/08/1980 | US4197099 Apparatus for mounting and holding filter bags and the like |
| 04/08/1980 | CA1075168A1 Bag filter of plastic with graduated hole size |
| 04/03/1980 | WO1980000542A1 Process of filtration |
| 04/01/1980 | US4196086 Filter-purifier cartridge |
| 04/01/1980 | US4196083 Apparatus and method for continuous plating bath treatment system |
| 04/01/1980 | US4196081 Apparatus for emergency water purification |
| 04/01/1980 | US4196078 Process and apparatus for dewatering granulated material, especially granulated blast furnace slag |
| 04/01/1980 | US4196027 Method of making filter elements for gas or liquid |
| 04/01/1980 | US4195667 Solenoid valve with safety control circuit |
| 04/01/1980 | CA1074758A1 Sewage treatment |
| 04/01/1980 | CA1074733A1 Combined hydrocyclone and screen |
| 04/01/1980 | CA1074709A1 Automated clam-shell type filter |
| 03/20/1980 | WO1980000420A1 Electrically grounded filter plate |
| 03/20/1980 | WO1980000419A1 Core spun filtration roving |
| 03/18/1980 | US4193876 Means for suppressing edge leakage in filter presses |
| 03/18/1980 | US4193503 Slurry screen |
| 03/18/1980 | CA1073823A1 Grouped cylindrical filters on manifolds leading to a header |
| 03/11/1980 | US4192750 Stackable filter head unit |
| 03/11/1980 | US4192747 Liquid-solid separator |
| 03/11/1980 | CA1073333A1 Apparatus for tensioning and locking hooping bands |
| 03/05/1980 | EP0008395A1 Apparatus for separating liquids from suspensions |
| 03/04/1980 | US4191648 Filtration device for filtering temperature controlled fluids |
| 03/04/1980 | US4191647 Filtration system for household sewage |