| Patents for B01D 35 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups; Auxiliary devices for filtration; Filter housing constructions (28,776) |
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| 05/11/1988 | CN87207222U Gas-liquid filter for stainless-steel jar |
| 05/11/1988 | CN85109331B Electrostatic oil-cleaning method and electrostatic oil filter |
| 05/10/1988 | US4743370 Filter for fuel tank |
| 05/10/1988 | US4743369 Tubular flexible bag extending into header tank of radiator |
| 05/10/1988 | US4743365 For flushing sealing faces |
| 05/10/1988 | CA1236407A1 Filter with end cap which will accommodate flow reversal |
| 05/05/1988 | WO1988003047A1 Filter for hydraulic systems having packing with constant side action for the screw-on cartridge unit and having a glogging indicator responding to differentiated pressure |
| 04/28/1988 | DE3636350A1 Filter |
| 04/27/1988 | EP0265389A2 Liquid lubricant filter with a paper filter element for internal combustion engines, provided with magnetised particles dispersed in the paper |
| 04/27/1988 | EP0253899A4 Periodic action device for filtration of liquid medium. |
| 04/26/1988 | US4740317 Pump filter apparatus and method |
| 04/26/1988 | US4740313 Method of filtering using a rotating and oscillating spinner |
| 04/26/1988 | US4740299 For fuel filters, self-sealing threaded o-ring |
| 04/26/1988 | CA1235684A1 Membraneous synthetic zeolite and process for producing the same |
| 04/14/1988 | DE3634460A1 Precoat filter apparatus |
| 04/13/1988 | EP0263197A1 Apparatus for removing water und for drying particles dispersed in liquids |
| 04/13/1988 | CN87208688U Decompression filter for faucet |
| 04/13/1988 | CN86108262A Method and system for cleaning filter bed |
| 04/12/1988 | US4737285 Non-leaking from filter unit |
| 04/12/1988 | US4737281 Cold trap for purifying liquid sodium containing impurities |
| 04/12/1988 | US4736766 Flow shut-off valve |
| 04/12/1988 | US4736671 Fluid pressure control device |
| 04/12/1988 | CA1235090A1 Vibrated screen assemblies with feed divider and a conical flow diverter |
| 04/07/1988 | DE3641899C1 Electro-ultrafiltration method with continuously increasing filtration efficiency and stepwise establishment of maximum current strengths for analysing the nutrients or the pollutants in soils, composted waste, sewage sludge etc. |
| 04/07/1988 | DE3632655A1 Filter for diesel fuel |
| 04/06/1988 | EP0262992A1 Improved method and system for cleansing a filter bed |
| 04/06/1988 | EP0262398A1 Pre-coat filter |
| 04/06/1988 | EP0262151A1 Filter pump head assembly. |
| 04/06/1988 | CN87208379U Filter for purifying fuel oil |
| 04/05/1988 | US4735716 Quick-change filter cartridge and head therefor |
| 03/31/1988 | DE3632350A1 Method for carrying out electro-ultrafiltration (EUF) |
| 03/30/1988 | EP0261231A1 Rotating filter apparatus for separating fine particles of solids from a liquid |
| 03/29/1988 | US4734207 Purification of oils containing solid matters in suspension |
| 03/29/1988 | US4734194 Combined filter and valve mechanism |
| 03/24/1988 | WO1988001896A1 Method and apparatus for cleaning liquids, using loose filter material, which is fluidized during backwash |
| 03/24/1988 | DE3631430A1 Filter insert |
| 03/22/1988 | US4732678 Pleated; for oil, gasoline |
| 03/22/1988 | US4732674 Porous active carbon; water-soluble minerals on surface |
| 03/22/1988 | US4732671 Diesel fuel filter/water separator |
| 03/16/1988 | EP0260069A2 Filter assembly with threaded collection bowl |
| 03/16/1988 | EP0259543A1 Additional cleaner for waste water pretreated in a light-liquid separator |
| 03/16/1988 | EP0259336A1 A method and an apparatus for separating bodies from a liquid. |
| 03/16/1988 | CN87209606U Deep filter for machine oil |
| 03/15/1988 | US4731183 Filter with valve-in-head construction |
| 03/15/1988 | US4731178 Filter housing |
| 03/15/1988 | CA1234056A1 Secondary flow fluid filter |
| 03/10/1988 | WO1988001529A1 Cleaning of hollow fibre filters |
| 03/09/1988 | EP0259000A1 Filtering method and apparatus |
| 03/08/1988 | US4729837 For pulp |
| 03/08/1988 | US4729339 For use in a fluid system |
| 03/03/1988 | DE3628455A1 Apparatus for separating off solid contaminants from liquids |
| 03/02/1988 | EP0257265A2 Diesel fuel filter/water separator. |
| 03/01/1988 | US4727758 Flow-through sampling device |
| 02/16/1988 | US4725366 Removing debris from bar screen in fluid channel |
| 02/16/1988 | US4725365 Removal of debris from fluid-carrying channels |
| 02/16/1988 | US4725364 Laminar flow filtration process |
| 02/11/1988 | WO1988000857A1 Method and apparatus for filtration using washable filter bag for water and wastewater treatment |
| 02/10/1988 | EP0255768A2 Adapter assembly for filter arrangement |
| 02/10/1988 | EP0255669A1 Process and installation for the dip-coating of objects with liquid coatings and subsequent rinsing using an ultrafiltrate |
| 02/03/1988 | CN87200478U Ys-l2 plastic filter for drip irrigation |
| 02/02/1988 | US4722794 Straining and stop valve |
| 02/02/1988 | US4722792 Swing rotor type or angle rotor |
| 02/02/1988 | US4722789 Openable for simultaneous removal of filter cake |
| 02/02/1988 | US4722788 Removal of corrosion products entrained in liquid |
| 01/28/1988 | DE3641331C1 Liquid filter, in particular oil filter |
| 01/28/1988 | DE3624276A1 Electrically heatable filter device for a fluid and method for producing it |
| 01/27/1988 | EP0253899A1 Periodic action device for filtration of liquid medium |
| 01/26/1988 | US4721563 Fluid filtering device |
| 01/25/1988 | EP0188524A4 Filter with end cap which will accomodate flow reversal. |
| 01/20/1988 | EP0253749A1 Continuous electrophoresis separation process and electro-osmosis of electrically charged pulverized solids |
| 01/20/1988 | CN87201510U Magnetic paper element oil filter for inner combustion engine |
| 01/19/1988 | CA1231688A1 Method of beneficiation of complex sulfide ores |
| 01/14/1988 | DE3715667A1 Filter fuer chemische apparaturen und verwendung des filters in einem chemischen analysenautomaten Filters for chemical tion equipment and use of filters in a chemical analysis machines |
| 01/13/1988 | CN87207051U Reciprocation continuous filter |
| 01/12/1988 | US4719012 Removing pollutants from fluid system |
| 01/07/1988 | EP0251923A2 On-line filtration of potassium permanganate solutions |
| 01/07/1988 | EP0251840A1 Process and individual apparatus for the filtration of a liquid |
| 01/07/1988 | EP0251495A1 Filter units having welded cellulose filters |
| 01/07/1988 | EP0250939A2 Suction filter drier |
| 01/07/1988 | EP0250720A1 Filter for liquids |
| 01/07/1988 | EP0250695A1 Filter |
| 01/05/1988 | US4717486 Method of filtering suspension |
| 01/05/1988 | US4717477 Mounted at free end of suction pipe |
| 01/05/1988 | US4717474 By-pass vaporization unit for automotive vehicles |
| 01/05/1988 | US4717472 Oil filter assembly having multiple removable filter members and cooling fins |
| 12/30/1987 | CN87104034A Method of and arrangement for purifying contaminated water |
| 12/29/1987 | US4715434 Fluid treatment pressure vessel with a disposable cartridge and valve therefor |
| 12/29/1987 | CA1230836A1 Fiberglass molded pressure vessel and method of making same |
| 12/23/1987 | EP0249893A2 Device for the separation of a liquid and/or a gas from a mixture |
| 12/23/1987 | DE3620566A1 Washing or drying appliance of the type for domestic use |
| 12/22/1987 | US4714557 Expandable conduit wound around filter |
| 12/17/1987 | WO1987007589A1 Method of and arrangement for purifying contamined water |
| 12/17/1987 | DE3617857A1 Method for preventing the propagation of suspended matter in a body of water and a device for carrying out the method |
| 12/16/1987 | EP0249395A2 Filter assembly |
| 12/16/1987 | EP0249137A2 Decantation process for a liquid |
| 12/16/1987 | EP0248938A1 Blood filter |
| 12/15/1987 | US4713181 Paint-booth waste is skimmed from water suspension; dewatered using flexible vibrating conveyer; screened dried for disposal |
| 12/15/1987 | CA1230258A1 Filter press for thickening cellulose pulp or sludge |
| 12/08/1987 | US4711717 Filter cartridge for fluids |
| 12/03/1987 | WO1987007177A1 Twist on disposable filter |