| 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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| 05/03/1977 | US4021346 Continuous |
| 05/03/1977 | US4021281 Density, spinning rate |
| 04/26/1977 | US4019987 High pressure |
| 04/26/1977 | US4019984 Continuous filter with pressing means |
| 04/19/1977 | US4018899 Process for recovering feed products from animal manure |
| 04/19/1977 | US4018686 Fluid strainer element |
| 04/12/1977 | US4017400 Oil filter |
| 04/12/1977 | US4017397 Filter device for diesel engines |
| 04/12/1977 | US4017390 Centrifuging |
| 04/12/1977 | US4017387 Screening apparatus |
| 03/29/1977 | US4014797 Intravenous injection apparatus and needle adapter with filter and method of making same |
| 03/29/1977 | US4014796 Injection molding of plastics |
| 03/29/1977 | US4014672 Gas filter tube locking apparatus |
| 03/15/1977 | US4012323 Separator apparatus |
| 03/01/1977 | US4010391 Method of using multiple stressed sealing plugs to filter polymeric material |
| 03/01/1977 | US4009715 Filter for infusion and transfusion apparatus |
| 02/22/1977 | US4009109 Fluid filter flow arrangement |
| 02/15/1977 | US4008158 Dewatering machine |
| 02/15/1977 | US4008153 Reactor for purification of water by fluid filtration |
| 02/15/1977 | US4008060 Extensible |
| 01/25/1977 | US4005018 Liquid filtering apparatus |
| 01/18/1977 | US4003837 In a cooling system of a ship |
| 01/18/1977 | US4003836 Device for filtering a moving fluid |
| 01/04/1977 | US4001120 Water filter device |
| 01/04/1977 | US4000858 Method and apparatus for screening and comminuting device |
| 12/14/1976 | US3997446 Filter apparatus with an accordion-type filter medium for compaction and removal of sludgy filter cake |
| 12/14/1976 | US3997441 Pressure filter separator |
| 12/07/1976 | US3995780 Pressure-responsive valve mechanism |
| 11/30/1976 | US3994813 Rotary plate filter apparatus |
| 11/30/1976 | US3994812 Double bottom tank structure with sleeved strainer means |
| 11/30/1976 | US3994810 Onstream backflush filter |
| 11/30/1976 | US3994059 Method and apparatus for assembling oil filter components |
| 11/23/1976 | US3993567 Bar or wire-like elements for use in classifying and screening apparatus |
| 11/16/1976 | US3992298 Dewatering machine |
| 11/02/1976 | US3989629 Apparatus and system for stabilizing the disc elements of a rotary concentrator for solids-containing fluids |
| 10/26/1976 | US3988244 Cartridge filter |
| 10/19/1976 | US3986960 Fluid filter |
| 10/19/1976 | US3986958 Filter for swimming pools and the like |
| 10/12/1976 | US3985656 Filter cleaning apparatus |
| 10/12/1976 | US3985654 Filter assembly for fluid polymeric material |
| 10/12/1976 | US3985522 Method and apparatus for separating solid particles from a mixed fluid stream |
| 10/12/1976 | US3985005 Apparatus for processing liquid-containing substance mixtures, particularly cellulose pulp |
| 10/05/1976 | US3984330 Washing machine drain filter |
| 10/05/1976 | US3984325 Filter device |
| 10/05/1976 | US3984320 Vacuum filter leg for clarifying vessel |
| 10/05/1976 | US3984317 Filtering |
| 10/05/1976 | US3984044 Retention means for mechanical separation and process of making same |
| 09/28/1976 | US3983038 Self-purging screen changer and strainer plate |
| 09/28/1976 | US3982520 Oil filter mounting means |
| 09/14/1976 | US3980563 Perforated metal, plastic connecting member |
| 09/14/1976 | US3980560 Filter construction |
| 09/07/1976 | US3979299 Pressure filter with continuously or intermittently movable filter cloth |
| 08/31/1976 | US3977973 Fry kettle with integral continuous filter |
| 08/31/1976 | US3977514 Butterfly conveyor clip for flat bed filter |
| 08/24/1976 | US3976577 Filter unit with protected valve controllers |
| 08/17/1976 | US3975275 Conveyer for removing floating objects |
| 08/17/1976 | US3975274 Process and device for filtering media |
| 08/17/1976 | US3974528 Sewage system with reusable flush medium |
| 08/10/1976 | US3974074 Separation of liquids and solids |
| 07/27/1976 | US3971722 Filter elements |
| 07/27/1976 | US3971721 Continuous filter |
| 07/20/1976 | US3970564 Vertical vibratory liquid filter |
| 07/20/1976 | US3970557 Impingement baffle equipped oil filter |
| 07/20/1976 | US3970548 Apparatus for screening paper fiber stock |
| 07/20/1976 | US3970490 Intravenous injection apparatus and needle adapter with filter and method of making same |
| 07/20/1976 | US3970084 Intravenous injection apparatus and needle adapter with filter and method of making same |
| 07/13/1976 | US3969248 Pool filtering system |
| 06/29/1976 | US3966607 Solid-liquid separator |
| 06/29/1976 | US3966606 Filter in sample drawing device |
| 06/29/1976 | US3966605 Reservoir |
| 06/22/1976 | US3965010 Chromium-silicon-carbon-nitrogen-iron alloy |
| 06/15/1976 | US3963615 Multifiltration unit |
| 06/15/1976 | US3963464 Gas washer and liquid treatment system |
| 06/08/1976 | US3962092 Screen changer |
| 06/08/1976 | US3962078 Method and apparatus for treating liquid contaminated with radioactive particulate solids |
| 06/01/1976 | US3960733 Filter unit for washing machine |
| 06/01/1976 | US3960728 Disposable filter apparatus |
| 05/25/1976 | US3959148 Rotary leaf filter with independently movable sluice arms |
| 05/25/1976 | US3959147 Filter element assembly |
| 05/25/1976 | US3959143 Apparatus for filtering cooking liquids |
| 05/25/1976 | US3959140 Filter especially intended for filtering natural water for the irrigation of cultivated fields |
| 05/25/1976 | US3959138 Washing machine drain filter |
| 05/25/1976 | US3959137 Filter having an interior liquid displacement means, apparatus and method |
| 05/18/1976 | US3957655 Sphincter cone assembly for purifying water |
| 05/18/1976 | US3957644 In-line filtering device |
| 05/18/1976 | US3957641 Device for separating liquids of specifically lower density than water, and particularly oil, from water |
| 05/18/1976 | US3957636 Solid separation |
| 05/18/1976 | US3957634 Aquarium system using biological and mechanical filtration |
| 05/11/1976 | US3955953 Sintered particulate filter |
| 05/04/1976 | US3954625 Filter and method of forming same |
| 05/04/1976 | US3954621 Filtration system having prefilter and main filter |
| 05/04/1976 | US3954618 Filter tube holder and filter assembly |
| 04/27/1976 | US3953325 Pulp screen with rotating cleaning foil |
| 04/13/1976 | US3950256 Filter elements |
| 04/13/1976 | US3950254 Solids concentrator with a rotor having ploughs thereon |
| 04/13/1976 | US3950253 Domestic water filtration apparatus |
| 04/13/1976 | US3950251 Filter with quick-connect coupling |
| 04/06/1976 | US3948776 Apparatus and system for generating a protective coating in a rotary concentrator for abrasive solids-containing fluids |
| 04/06/1976 | US3948291 Stiffening device |
| 03/30/1976 | US3947362 Filter with an open-celled elastomer foam |