| 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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| 02/26/1980 | US4190544 Filter element for a rotatable disc filter |
| 02/26/1980 | US4190538 Pump seal flush |
| 02/26/1980 | CA1072454A1 Filtering device with v-shaped belt, and packing with glass balls |
| 02/26/1980 | CA1072453A1 Process and equipment for the thickening of slurries |
| 02/20/1980 | EP0008018A1 Box filter |
| 02/19/1980 | US4189386 Debris separation and disposal system |
| 02/12/1980 | US4188286 Screening apparatus for fiber suspensions |
| 02/12/1980 | CA1071541A1 Pool filtering system |
| 02/12/1980 | CA1071501A1 Self-cleaning filter assembly for solenoid-actuated valves |
| 02/06/1980 | EP0007343A1 Method and apparatus for regenerating filters |
| 02/05/1980 | US4187182 Box filter |
| 02/05/1980 | US4187181 Apparatus for classifying liquid mixture in accordance with molecular weight |
| 02/05/1980 | US4187179 Electrically grounded filter plate |
| 02/05/1980 | US4187178 Holder for filter screens |
| 02/05/1980 | US4187175 Treatment facility with backwash control system |
| 01/29/1980 | US4186100 Inertial filter of the porous metal type |
| 01/29/1980 | US4186099 Refillable |
| 01/29/1980 | US4186091 Backwashing |
| 01/29/1980 | CA1070866A1 Process for compacting and wringing fluid sludge containing fibrous material |
| 01/23/1980 | EP0007196A1 Filter means for high viscosity liquids and process for the filtration of molten polymers employing such filter means |
| 01/23/1980 | EP0007045A1 Filter tube |
| 01/22/1980 | US4184966 Tubular filter elements with improved side seam seal |
| 01/22/1980 | US4184961 Extraction apparatus, preferably for analyzing purposes |
| 01/22/1980 | US4184957 Sewage treatment |
| 01/22/1980 | US4184950 Method and apparatus for dewatering sludge |
| 01/22/1980 | US4184916 Continuous cell culture system |
| 01/09/1980 | EP0006830A1 Plastic well screen and its connection system |
| 01/08/1980 | US4182680 Device for filtration under pressure of solid particles contained in liquids |
| 01/08/1980 | CA1069443A1 Double screen solids removal from liquid |
| 01/01/1980 | US4181611 Filter thermal bypass valve |
| 12/25/1979 | US4180464 Method of covering corrugated drainage tubes |
| 12/25/1979 | US4180463 Self-cleaning helical spring filter and methods |
| 12/25/1979 | US4180462 Method and means for filtering liquids |
| 12/25/1979 | CA1068615A Pump basket strainer and assembly |
| 12/25/1979 | CA1068502A Filter system for frying apparatus |
| 12/18/1979 | US4179381 Intake distributor for a settling tank filter |
| 12/18/1979 | US4179379 For transferring liquids |
| 12/18/1979 | US4179376 Device for purification of liquids |
| 12/11/1979 | US4178250 Filter-purifier cartridge having manually separable elements |
| 12/11/1979 | US4178248 Non-clogging microporous filter with cross flow operation |
| 12/11/1979 | US4178246 Separator for discrete solids from liquids |
| 12/11/1979 | US4178245 Filtration method |
| 12/11/1979 | US4178209 Continuous cell culture method and apparatus |
| 12/11/1979 | US4177529 Filter wrench |
| 12/11/1979 | CA1067834A1 Separator apparatus |
| 12/11/1979 | CA1067832A1 Centrifugal pressure filter with horizontal filter disks |
| 12/04/1979 | US4177143 Microbiocides, antifouling |
| 12/04/1979 | US4177141 Pre-impregnation |
| 12/04/1979 | CA1067421A1 Filters |
| 12/04/1979 | CA1067418A1 Plastic vacuum suction funnel |
| 12/04/1979 | CA1067417A1 Screen with air cushion for stock suspensions |
| 11/27/1979 | US4176066 Gravitational flow separator of the multiple, apertured tube type for separating water from sand, gravel or the like |
| 11/13/1979 | US4174282 Precoated filters for ultrapure water for steam gneration of electicity |
| 11/06/1979 | CA1065763A1 Water filter device |
| 11/01/1979 | WO1979000884A1 Regeneration process of a filtering apparatus and device for implementing such process |
| 10/30/1979 | US4172798 Multi-part with a replaceable filter |
| 10/30/1979 | US4172797 Dual media filter |
| 10/30/1979 | US4172796 For home use |
| 10/30/1979 | US4172795 Centrifugal pressure filter with horizontal filter disks |
| 10/30/1979 | US4172788 Caustic chlorine filter bag |
| 10/30/1979 | CA1065261A1 Continuous filtering process with rotating disk cleaner and a filter therefor |
| 10/23/1979 | US4172038 Improved flow path |
| 10/23/1979 | CA1064831A1 Strainer |
| 10/17/1979 | EP0004724A2 Coalescing method and apparatus and purified products obtained therewith |
| 10/16/1979 | CA1064428A1 Stationary cylindrical screen for liquid suspensions including a heavy impurities trap and dilution means |
| 10/16/1979 | CA1064427A1 Stationary screen for paper fiber stock having screen sweeping agitators |
| 10/09/1979 | US4170556 Filter elements and filter assemblies with thermal seal |
| 10/09/1979 | US4170056 Blood filter |
| 10/09/1979 | CA1063946A1 Continuous production of tubular modular filter elements using nonwoven webs from thermoplastic fibers and products |
| 10/02/1979 | US4169795 For intravenous sets |
| 10/02/1979 | CA1063524A1 Filter assembly with modulating bypass valve |
| 10/02/1979 | CA1063523A1 Apparatus for continuous separation of a suspension liquid from a fibrous suspension |
| 09/25/1979 | US4169059 Autogenously bonded filter assemblies |
| 09/25/1979 | US4169057 Fertilizer filter |
| 09/25/1979 | US4169055 Liquid straining apparatus |
| 09/19/1979 | EP0003959A1 Collapse-resistant corrugated filter element |
| 09/18/1979 | US4167972 Well screen mounting arrangement |
| 09/18/1979 | US4167875 Filtration method and apparatus |
| 09/18/1979 | CA1062821A1 Reactor for purification of water by fluid filtration |
| 09/18/1979 | CA1062631A1 Disposable filter unit |
| 09/18/1979 | CA1062625A1 Apparatus for filtering radioactive fluids |
| 09/11/1979 | US4167482 Filtering method and apparatus |
| 09/11/1979 | US4167384 Filter screen exchanging apparatus for plastic extruder |
| 09/04/1979 | US4166793 For water systems |
| 09/04/1979 | US4166768 Continuous cell culture system |
| 08/28/1979 | US4166028 Apparatus for screening paper fiber stock |
| 08/22/1979 | EP0003607A2 Regeneration of granular material contained in a column |
| 08/21/1979 | US4165283 Multi-stage purification system |
| 08/14/1979 | US4164468 Blood treating device and method of operation |
| 08/14/1979 | CA1060246A1 Air dome attenuator |
| 08/08/1979 | EP0003398A1 Process for collecting hexachlorobenzene by-product from perchloroethylene |
| 08/07/1979 | US4163724 Pressure filter and process for cleaning it |
| 08/07/1979 | CA1059931A1 Apparatus and system for stabilizing the disc elements of a rotary concentrator for solids-containing fluids |
| 07/31/1979 | US4162979 Device for the chemical and/or physical treatment of liquids |
| 07/31/1979 | US4162975 High velocity composite strainer |
| 07/31/1979 | US4162973 Water polishing system |
| 07/31/1979 | US4162549 Filtering elements |
| 07/25/1979 | EP0003046A2 Filtering cloth gasket |
| 07/24/1979 | US4162219 Self-cleaning filter |
| 07/24/1979 | US4162054 Filtering device for producing extracts from coffee or tea |