| Patents for B01D 33 - Filters with filtering elements which move during the filtering operation (10,149) |
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| 06/27/1978 | US4097379 Self-cleaning filter assembly |
| 06/20/1978 | US4096062 Method and device for separation of suspended material from a fluid flow |
| 06/13/1978 | US4094784 Apparatus and method for filtering dehydrating and drying material |
| 06/06/1978 | US4093552 Filtration apparatus |
| 05/30/1978 | US4092247 Establishing a vacuum on porous support, compressing |
| 05/23/1978 | US4090965 Installation for the mechanical-biological purification of waste water |
| 05/09/1978 | US4088581 Device for the continuous filtration under pressure of solid materials contained in liquids |
| 04/25/1978 | US4086168 Disc filter chute liner |
| 04/11/1978 | US4083787 Rotary vacuum filter |
| 03/28/1978 | US4081375 Filter belt construction |
| 03/21/1978 | US4080298 Arrangement in filters of the endless-belt type having a longitudinally extending vacuum-suction box arranged beneath the rotating belt |
| 03/14/1978 | US4079010 Continuous screening or filtering machine |
| 03/07/1978 | US4077887 Filter disc for vacuum filter system |
| 03/07/1978 | US4077133 Procedure for dehydrating and drying fine-grained products and in addition a device to be used for the execution of the procedure |
| 02/21/1978 | US4075104 Device for separating in a continuous process particles from a first liquid and introducing the separated particles into a second liquid |
| 02/21/1978 | US4075103 Fabricated disc filter core |
| 02/14/1978 | US4073065 Method and apparatus for reducing liquid content of filter cakes |
| 02/07/1978 | US4072611 Belt dewrinkling and alignment method and apparatus |
| 01/24/1978 | US4070293 Filter media |
| 01/24/1978 | US4070280 Water purification |
| 01/24/1978 | US4070175 For fertilizers |
| 01/24/1978 | US4070166 Method and device for driving liquid from a liquid separator |
| 01/17/1978 | US4069154 Vacuum filtration process employing a circular vacuum box |
| 01/03/1978 | US4066557 Paint strainer |
| 01/03/1978 | US4066555 Rotary filter |
| 01/03/1978 | US4066554 Pressure filtration |
| 01/03/1978 | US4066548 Sludge hydroextractor |
| 12/20/1977 | US4064048 Water intake and fish control system |
| 12/20/1977 | US4063463 Method of fitting a filter belt to a filter assembly |
| 12/13/1977 | US4062780 Vacuum filter with indexable filter web |
| 12/13/1977 | US4062779 Apparatus for thickening and extracting the liquid from a sludge |
| 12/13/1977 | US4062776 Sludge concentrator and conditioner |
| 12/13/1977 | US4062669 N-Organo-N-phosphonomethylglycine-N-oxides and plant growth regulant and phytotoxicant compositions containing same |
| 11/22/1977 | US4059527 Pretreatment filter press dewatering system |
| 11/08/1977 | US4057499 Apparatus and method for separation of blood |
| 11/08/1977 | US4057437 Fluids |
| 11/01/1977 | US4056475 Strainer |
| 11/01/1977 | US4056473 Rotary filter for concentrating fiber suspensions |
| 11/01/1977 | US4056363 Apparatus for the fabrication of pure alumina from Al2 O3 and silica containing raw materials by leaching with hydrochloric acid |
| 10/18/1977 | US4054507 Dewatering water-wet particles and blending the particles in a liquid carrier |
| 10/11/1977 | US4053419 Band filter press |
| 10/11/1977 | US4053413 Apparatus for removing particles from water for sprinklers and the like |
| 10/11/1977 | US4053407 Method for distributing a sludge to be filtered over the upper surface of the filter cloth of a rotating belt filter |
| 10/04/1977 | US4052303 Method of operating a centrifugal filter and a filter centrifuge operating according to this method |
| 09/06/1977 | US4046621 Process for treating a slurry of cellulosic material |
| 08/16/1977 | US4042509 Water treatment system |
| 08/16/1977 | US4042507 Waste liquid renovator |
| 08/16/1977 | US4041560 Method and device for dewatering of suspensions in movement |
| 08/09/1977 | US4040965 Rotary filter separator |
| 08/09/1977 | US4040952 Traveling band screen |
| 08/02/1977 | US4039450 Continuous tubular filter and method of using the same |
| 07/26/1977 | US4038193 Method and device for separating liquids and solids from a mixture |
| 07/26/1977 | US4038187 Microscreen drum |
| 07/26/1977 | US4037338 Vacuum belt filters |
| 07/12/1977 | US4035294 Pressure differential filtering device and method |
| 07/12/1977 | US4035150 Organic systemmethylene dichloride, petroleum ether, dioxane |
| 07/05/1977 | US4033865 Non-clogging screen apparatus |
| 06/28/1977 | US4032442 By-pass and synchronized blow system and method for rotary vacuum filters |
| 06/14/1977 | US4029579 Of a fiber and liquid |
| 06/07/1977 | US4028247 Vibratory coolant strainer for machine tool coolant systems |
| 06/07/1977 | US4027760 Feed box for liquid-solid mixtures |
| 05/24/1977 | US4025437 Rotary filter apparatus having slurry agitator |
| 05/17/1977 | US4024066 Drainage device for gravel and sand |
| 05/03/1977 | US4021352 Filter device for separating blood fractions |
| 05/03/1977 | US4020798 Internal combustion engine fueled by NaK |
| 04/26/1977 | US4019431 Method of dewatering sludge |
| 04/12/1977 | US4017401 Strainer drum and method of making the same |
| 04/12/1977 | US4017399 Method and apparatus for filtration of slurries |
| 04/12/1977 | US4017398 Device for the continuous separation of mixtures of solids and fluids |
| 04/12/1977 | US4017394 Water screen |
| 04/05/1977 | US4016077 Blood transfusion filters |
| 03/29/1977 | US4014736 Fluid flow, pressure differential |
| 03/22/1977 | US4013297 Static seal with an open rotational mode |
| 03/01/1977 | US4010391 Method of using multiple stressed sealing plugs to filter polymeric material |
| 02/15/1977 | US4008154 Rotary filter wash distributor |
| 02/01/1977 | US4006206 Centrifugal apparatus and method for processing explosives |
| 01/25/1977 | US4005018 Liquid filtering apparatus |
| 01/25/1977 | US4005016 Apparatus for continuously withdrawing solids which form a sediment in a liquid |
| 01/04/1977 | US4001119 Thickening apparatus |
| 01/04/1977 | US4000858 Method and apparatus for screening and comminuting device |
| 12/28/1976 | US4000074 Centrifuge having an inner, invertible, funnel-like container |
| 12/21/1976 | US3998739 Apparatus for filtration |
| 12/21/1976 | US3998735 Apparatus and method for separating a mother liquor into a concentrated particulate fraction and a filtrate fraction |
| 12/21/1976 | US3998149 Filter belt and press |
| 12/14/1976 | US3997448 Filter arrangements |
| 12/14/1976 | US3997447 Fluid processing apparatus |
| 11/30/1976 | US3994813 Rotary plate filter apparatus |
| 11/02/1976 | US3989629 Apparatus and system for stabilizing the disc elements of a rotary concentrator for solids-containing fluids |
| 11/02/1976 | US3989184 Apparatus for collecting and classifying a mixture of solid, gaseous and liquid constituents |
| 10/05/1976 | US3984329 Device for extracting liquid from sludge |
| 10/05/1976 | US3984317 Filtering |
| 09/28/1976 | US3983036 Method and device for unclogging filter cloths |
| 09/21/1976 | US3981066 Method and apparatus for inserting seal rings into restricted grooves |
| 09/07/1976 | US3979299 Pressure filter with continuously or intermittently movable filter cloth |
| 09/07/1976 | US3979296 Filter |
| 09/07/1976 | US3979289 Filtration method |
| 08/24/1976 | US3976573 Trash catching device |
| 08/03/1976 | US3972817 Filter, especially for back water |
| 08/03/1976 | US3972812 Blood serum separation filter disc |
| 07/27/1976 | US3971722 Filter elements |