| 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) |
|---|
| 08/08/1990 | EP0381032A2 Filter body with modular elements |
| 08/08/1990 | EP0380826A1 Band filter with pivoting filter shell |
| 08/08/1990 | EP0380709A1 Filter candle |
| 08/07/1990 | US4946598 Suction strainer and method of assembly |
| 08/07/1990 | US4946591 Tubular support with inperforate plastic sheet and filter cloth strainer |
| 08/07/1990 | US4946588 Fluid treatment or monitoring assemblies |
| 08/07/1990 | US4946487 Used to clean particle-laden gases |
| 08/07/1990 | US4946047 Filter apparatus with stop valve |
| 08/07/1990 | US4945893 Fryer filtration system |
| 08/07/1990 | CA2009267A1 Automatic filter system |
| 08/02/1990 | DE3902829A1 Rueckspuelbarer filter Backwash filter |
| 08/02/1990 | DE3902563A1 Tension piece with band and clamping jaw on each end - consists of tension lock fitted with compression bolt |
| 08/02/1990 | DE3902201A1 Verfahren und vorrichtung zum betrieb eines auspressfilters fuer fluessigkeits-feststoff-gemische Method and device for operating a pressure filter for liquid-solid mixtures is |
| 08/02/1990 | DE3900746A1 Belt filter, in particular vacuum belt filter |
| 08/01/1990 | EP0379966A2 Filtering apparatus for cleaning plastics melts |
| 07/31/1990 | US4944887 Countercurrent flow |
| 07/31/1990 | US4944876 Filter capsule with inlet dispersion |
| 07/31/1990 | US4944873 Dewatering system for sludge removal |
| 07/31/1990 | US4944871 Filtering device |
| 07/31/1990 | US4944870 Automatic filtration dewatering system |
| 07/31/1990 | CA1272138A1 Method and apparatus for enhancing the flux rate of cross-flow filtration systems |
| 07/25/1990 | WO1990008645A1 An apparatus for dewatering and squeezing material |
| 07/25/1990 | EP0379054A2 Filter device |
| 07/25/1990 | CA2025769A1 Apparatus for dewatering and squeezing material |
| 07/24/1990 | US4943379 Fluid flow, backwashing reservoir, valves, shock |
| 07/24/1990 | US4942630 Spa with door access filter and control |
| 07/19/1990 | DE3901033A1 Filter, in particular for the secondary filtration of heating oil |
| 07/18/1990 | EP0378516A2 Filtering device for domestic water installations |
| 07/18/1990 | EP0378412A2 In-situ repair of damaged filter cloths used in solvent dewaxing filters |
| 07/18/1990 | EP0378192A2 Filter apparatus |
| 07/18/1990 | EP0377602A1 Filter |
| 07/17/1990 | US4941975 Star-shaped filter nozzle |
| 07/17/1990 | US4941971 Swimming pools |
| 07/17/1990 | CA1271709A1 Suspension liquid separator |
| 07/12/1990 | WO1990007706A1 Apparatus for indicating contamination degree in a hydraulic circuit and determining method therefor |
| 07/11/1990 | EP0377427A2 Double diffuser with backflush pistons |
| 07/11/1990 | EP0377419A1 Filter |
| 07/11/1990 | EP0377054A1 Pressure filter |
| 07/11/1990 | CN1008692B Filter element and its production method |
| 07/10/1990 | US4940562 Axially stacked units made of fluoropolymer |
| 07/10/1990 | US4940500 Filter medium forming system and process |
| 07/10/1990 | US4940489 Molten metal filtration system and process |
| 07/10/1990 | US4940384 Molten metal pump with filter |
| 07/10/1990 | CA1271430A1 Cyclonic separator with screen and ball check |
| 07/10/1990 | CA1271415A1 Double cylinder screen |
| 07/05/1990 | DE3941016A1 Cyclone filter - having housing, deflection plates, screw conduit, partition wall, central opening, slots, screw-insert, pptn. chamber etc. |
| 07/04/1990 | EP0376854A1 Process and device for the manufacture of a cartridge filter |
| 07/04/1990 | EP0376579A2 One-end closed ceramic double tube and method of manufacturing the same |
| 07/04/1990 | EP0375739A1 Water clarification system adapted for removing particulate matter of greater than a predetermined size. |
| 07/03/1990 | US4938869 Spiral wound filter element |
| 07/03/1990 | US4938739 Equipment for folding paper webs and the like |
| 07/03/1990 | CA1271073A1 Screening device with device for reduction of reject |
| 06/30/1990 | CA2006925A1 Process and means for manufacturing a filter cartridge |
| 06/28/1990 | WO1990006804A1 Filtering apparatus |
| 06/28/1990 | WO1990006799A1 Oil filter for internal combustion engines |
| 06/28/1990 | WO1990006798A1 Nutsche process filter drive unit |
| 06/27/1990 | EP0375373A2 Filter element assembly |
| 06/27/1990 | EP0374280A1 Disposable filter |
| 06/27/1990 | EP0374223A1 Method and apparatus for removing liquid from suspensions |
| 06/27/1990 | EP0253814B1 Filtering device for plastic |
| 06/27/1990 | EP0236479B1 Composite having improved transverse structural integrity and flexibility for use in high temperature environments and method of making the same |
| 06/27/1990 | CN2058674U Miniature device of magnetization, purification, mineralization of potable water |
| 06/27/1990 | CN2058620U Automatically cleaning filter |
| 06/27/1990 | CN2058619U Turning-over tank filter with sealing cap |
| 06/26/1990 | US4937005 Self-cleaning |
| 06/26/1990 | US4936991 Accordion pleated fluid filtering element |
| 06/26/1990 | US4936989 Filter with dual fluid pressure actuated valves on common stem |
| 06/21/1990 | DE3939824A1 Engine carburettor miniumum-speed system - incorporates filter cartridge with centring device in fuel-feed passage |
| 06/21/1990 | DE3842608A1 Edge filter, preferably for highly viscous liquids |
| 06/21/1990 | DE3842436A1 Pipe filter |
| 06/19/1990 | US4935151 Continuous filtration and backflushing of successive filter segments, recycling; defect reduction |
| 06/19/1990 | US4935143 Cleaning of filters |
| 06/19/1990 | US4935142 Apparatus for retaining variable number of sheet membrane elements and a method for the use thereof |
| 06/19/1990 | US4935136 Disk filter |
| 06/19/1990 | US4935135 Oil filter |
| 06/19/1990 | US4935129 Closure device for a scupper drain |
| 06/19/1990 | US4935126 Filtering apparatus |
| 06/19/1990 | US4935002 Apparatus and method for the autotransfusion of blood |
| 06/13/1990 | EP0373048A1 Device for the purification of liquids charged with impurities, and filter bag therefor |
| 06/13/1990 | EP0372203A1 Filtration device for extrusion presses and injection moulds |
| 06/13/1990 | CN1042891A Dust collecting technology of flue gas from vertical kiln of producing cement by wet forward ejection and counter filtering process |
| 06/12/1990 | US4933093 Fuel filter |
| 06/12/1990 | US4933079 Fuel filter coupling |
| 06/12/1990 | US4932112 Sieve plate and process for making it |
| 06/12/1990 | US4932082 Strainer cup for pop-up drain plug |
| 06/12/1990 | CA2005309A1 Filtering apparatus |
| 06/06/1990 | EP0371345A2 Discharge valve for receptacles |
| 06/05/1990 | US4931185 Method and apparatus intended for the filtration on a membrane of a product such as milk |
| 06/05/1990 | US4931180 Self cleaning filtering apparatus |
| 06/05/1990 | US4931176 Installation for the separation of the constituents of a suspension |
| 06/05/1990 | CA1269929A1 Transverse flow diagnostic device |
| 05/31/1990 | WO1990005576A1 Separating filter for separating a pulp |
| 05/31/1990 | WO1990005575A1 Method and device for separation of particles |
| 05/31/1990 | WO1990005574A1 Automatic pressure filter |
| 05/31/1990 | WO1990005571A1 Dry cleaning solvent filtration and recovery system |
| 05/31/1990 | DE3840193A1 Tubular filter |
| 05/31/1990 | DE3839562A1 Water filter having a quick-change insert |
| 05/30/1990 | EP0370849A1 Filtering apparatus having an ultra-sonic regeneration device, and the regeneration process |
| 05/30/1990 | EP0370238A1 Method of preparing samples for the analysis of particulate compounds in a liquid |
| 05/30/1990 | EP0370118A1 Filterapparatus for the purification of a liquid |