| Patents for B01D 33 - Filters with filtering elements which move during the filtering operation (10,149) |
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| 10/04/1979 | WO1979000765A1 Rotary drum filter and method of operation for medium cleaning |
| 10/02/1979 | US4169794 Filter |
| 10/02/1979 | US4169792 Water intake device |
| 10/02/1979 | CA1063740A1 Process for dewatering sludge-type material and an installation for carrying out the process |
| 10/02/1979 | CA1063523A1 Apparatus for continuous separation of a suspension liquid from a fibrous suspension |
| 09/18/1979 | US4168236 Consecutive, independent dewatering apparatus for improved sludge treatment |
| 09/18/1979 | US4168234 Rotary pressure precoat filter with internal valving arrangement |
| 09/11/1979 | CA1062174A1 Traveling band screen |
| 09/04/1979 | CA1061636A1 Sludge dehydration apparatus |
| 08/28/1979 | US4166034 Of filter cake on membrane |
| 08/21/1979 | US4165289 Self-sufficient heat treatment |
| 08/14/1979 | US4164470 Sewage treatment |
| 08/14/1979 | CA1060351A1 Microscreening method and apparatus |
| 08/14/1979 | CA1060262A1 Filter presses |
| 08/07/1979 | CA1059931A1 Apparatus and system for stabilizing the disc elements of a rotary concentrator for solids-containing fluids |
| 07/31/1979 | US4162982 Vacuum filter segment with replaceable sector plates |
| 07/11/1979 | EP0002727A1 Process and apparatus for the continuous filtration of liquids |
| 07/03/1979 | US4159951 Rotary disk vacuum filter |
| 07/03/1979 | US4159950 Filter apparatus |
| 07/03/1979 | US4159948 Beltless vacuum filter |
| 07/03/1979 | US4159947 Dewatering system |
| 06/26/1979 | CA1057208A1 Solids concentrator with a rotor having ploughs thereon |
| 06/19/1979 | US4158629 Dynamic self-cleaning filter for liquids |
| 06/12/1979 | US4157966 Polyurethane lining |
| 06/12/1979 | US4157961 Combined waste water clarification and trash disposal system |
| 06/12/1979 | CA1056355A1 Method and device for driving liquid from a liquid separator |
| 06/12/1979 | CA1056185A1 Method and apparatus for forming a fibrous web |
| 06/05/1979 | US4157301 Drum construction for rotary drum filter |
| 05/29/1979 | CA1055293A1 Method and device for dewatering of suspensions |
| 05/15/1979 | US4154687 Replaceable valve seat for center valve filter drum |
| 05/15/1979 | US4154686 Slurry |
| 05/15/1979 | CA1054531A1 Endless belt filter with filter medium enveloping the feed before pressing |
| 05/08/1979 | US4153557 Bar screen |
| 05/08/1979 | US4153550 Method and apparatus for the continuous filtration of material impregnated with liquid |
| 05/01/1979 | US4152267 Rotary disc vacuum filter |
| 05/01/1979 | US4152261 Process and a filter for filtering a liquid containing solids having a substantially different specific gravity relative to the liquid |
| 04/24/1979 | US4151094 Elongated brush |
| 04/24/1979 | US4151093 Papermaking |
| 04/10/1979 | CA1052152A1 Method and an apparatus for dewatering a suspension |
| 04/03/1979 | US4147635 Filter apparatus |
| 04/03/1979 | US4147634 Deflector blade for rotary drum filter |
| 04/03/1979 | US4147633 Stacked filtering plates |
| 04/03/1979 | US4147114 Waste treatment system |
| 03/27/1979 | US4146484 Doctor blade cleaning assembly |
| 03/27/1979 | US4146481 Filter |
| 03/27/1979 | US4146476 Peeling centrifuge |
| 03/20/1979 | US4145288 Filter apparatus |
| 03/20/1979 | US4144807 Device for dewatering sludge |
| 03/20/1979 | CA1051051A1 Static seal with an open rotational mode |
| 03/06/1979 | US4142976 Barometric leg for rotary vacuum filter |
| 03/06/1979 | US4142971 Endless filter belts, tensioning |
| 03/06/1979 | US4142461 Device for dewatering sludge and other material containing water and solid particles |
| 03/06/1979 | CA1049935A1 Filter |
| 02/20/1979 | US4140629 Conical screen separator |
| 02/20/1979 | CA1048942A1 Vacuum filtration process employing a circular vacuum box |
| 02/20/1979 | CA1048854A1 Method for dewatering sludge |
| 02/13/1979 | US4139472 Filter sector |
| 02/13/1979 | US4139465 Method for washing filter-cakes and a spray nozzle intended for use with the method |
| 02/13/1979 | CA1048419A2 Rotating radial screen filter |
| 02/13/1979 | CA1048338A1 Apparatus for processing cattle excrement |
| 02/06/1979 | US4138338 Filter for thickening suspensions of fibrous material |
| 01/30/1979 | US4137177 Filtering apparatus for sludgy liquids |
| 01/30/1979 | US4137159 Apparatus and method for deliquifying material |
| 01/23/1979 | US4136035 Apparatus for dehydration of continuously fed flow of suspension |
| 01/23/1979 | US4136031 Apparatus for the recovery of liquid from a liquid medium containing solids |
| 01/23/1979 | US4136028 Method for filtering a fibrous material by means of a disc filter as well as a disc filter for performing the method |
| 01/23/1979 | CA1046947A1 Rotary filter wash distributor |
| 01/16/1979 | US4134835 Steam injection assembly for disc filter |
| 01/16/1979 | CA1046427A1 Filter cake removal by applying detaching coating to filter bands |
| 12/26/1978 | US4131548 Rotary disc filter scraper apparatus |
| 12/26/1978 | US4131546 Method and apparatus for removing filterable substances from a liquid |
| 12/26/1978 | CA1045046A1 Filter having a truncated conical sieve surface |
| 12/21/1978 | WO1978000013A1 Rotary disc vacuum filter |
| 12/19/1978 | US4130486 Method and device for the separation of a liquid-containing mixture |
| 11/28/1978 | US4127487 Filtration system |
| 11/28/1978 | CA1043274A1 Apparatus for continuous dewatering of aqueous suspension |
| 11/21/1978 | US4126546 Method for the filtration of a suspension or emulsion |
| 11/14/1978 | US4125379 Apparatus for solvent extraction |
| 10/31/1978 | US4123363 Disk filter |
| 10/31/1978 | US4123362 Pressurized seal such as for drum screens |
| 10/31/1978 | US4123360 Belt filters |
| 10/24/1978 | CA1041020A1 Filter elements |
| 10/17/1978 | US4120911 Method for concentrating a slurry containing a solid particulate component |
| 09/26/1978 | US4116843 Liquid and solids separator |
| 09/19/1978 | US4115275 Sludge dewatering apparatus |
| 09/19/1978 | US4115271 Filters |
| 09/19/1978 | US4115265 Vacuum filters |
| 09/12/1978 | US4113556 Paper machine with twin-wire former |
| 09/05/1978 | US4111115 Continuous filter press |
| 09/05/1978 | CA1037878A1 Horizontal vacuum belt filter machine |
| 08/29/1978 | US4110218 Liquid cleaning apparatus having cyclonic separators |
| 08/29/1978 | US4110214 Drainage device for particulate material |
| 08/22/1978 | US4108778 Self-cleaning filter and vortexer |
| 08/22/1978 | US4108774 Container washer having external label filter and separator with filter flushing means |
| 08/08/1978 | US4105563 Continuous drum filter with improved agitator structure |
| 08/08/1978 | US4105558 Apparatus for draining of muddy liquids |
| 07/25/1978 | US4102791 Double drum vacuum filter |
| 07/18/1978 | US4101400 Method for dewatering sludge |
| 07/11/1978 | US4100018 Method and apparatus for forming a fibrous web |
| 07/04/1978 | US4098696 Centrifugal oil purifying means |