| Patents for B01D 24 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof (8,047) |
|---|
| 03/28/1978 | US4081381 Filtering apparatus |
| 02/28/1978 | US4076625 Baffle and wash trough assembly for granular-media filters |
| 02/21/1978 | US4075102 Liquid processing media bed drain system |
| 02/21/1978 | US4075101 Apparatuses for fluidizing a filter media plug |
| 02/14/1978 | US4073729 Filtering process using inorganic synthetically prepared filter sand |
| 02/14/1978 | US4073065 Method and apparatus for reducing liquid content of filter cakes |
| 12/27/1977 | US4065391 Fluid distributor |
| 12/20/1977 | US4064050 Filter bottom |
| 11/29/1977 | US4060484 Filters |
| 10/18/1977 | USRE29447 Self-sealing filter tube |
| 10/11/1977 | US4053408 Method of upflow liquid treatment |
| 10/04/1977 | US4052300 Process and device for the filtration of liquids polluted by suspended solid bodies |
| 09/27/1977 | US4051032 Water treatment system |
| 09/13/1977 | US4048068 Method of and apparatus for filtering |
| 07/19/1977 | US4036757 Backflush filter system |
| 07/05/1977 | US4033874 Apparatus for the treatment of liquids |
| 06/28/1977 | US4032443 Removal of grease and oil from particulate bed granules by backwashing with a detergent |
| 05/17/1977 | US4024064 Aquariums |
| 05/03/1977 | US4021339 Water filter |
| 04/26/1977 | US4019985 High pressure fluid jets |
| 03/22/1977 | US4013556 Combination flow distribution and collection apparatus |
| 03/08/1977 | US4011162 Pivotable fluid diverter for recirculation system |
| 02/01/1977 | US4006087 Fluid distribution system |
| 12/21/1976 | US3998739 Apparatus for filtration |
| 11/30/1976 | US3994812 Double bottom tank structure with sleeved strainer means |
| 10/05/1976 | US3984327 Filters |
| 10/05/1976 | US3984326 Gravity filtering equipment |
| 09/28/1976 | US3983036 Method and device for unclogging filter cloths |
| 08/31/1976 | US3977970 Water treatment, saturation with air or gas, gravity filter |
| 08/17/1976 | US3974528 Sewage system with reusable flush medium |
| 07/20/1976 | US3970555 Gas removal from deep-bed filters |
| 07/13/1976 | US3969247 Vacuum filtration process |
| 07/06/1976 | US3968038 Apparatus for treating liquids |
| 06/15/1976 | US3963620 Purification filter for liquids |
| 06/08/1976 | US3962078 Method and apparatus for treating liquid contaminated with radioactive particulate solids |
| 05/18/1976 | US3957642 Sewage treatment |
| 05/18/1976 | US3957641 Device for separating liquids of specifically lower density than water, and particularly oil, from water |
| 05/18/1976 | US3957637 Filtration system and flow control method therefor |
| 05/11/1976 | US3956134 Underdrain for water filtration system |
| 05/04/1976 | US3954621 Filtration system having prefilter and main filter |
| 05/04/1976 | US3954620 Filtration and backwashing apparatus for use with a water filtration system |
| 04/20/1976 | US3951811 Modular container |
| 04/06/1976 | US3948773 Automatic control for filtering equipment under pressure |
| 03/30/1976 | US3947314 Method of treating paper fibers in a stationary screen |
| 01/13/1976 | US3932278 Backwashing sand sewage treatment |
| 01/06/1976 | US3931011 Fluid separation apparatus |
| 01/06/1976 | US3931009 Water purification apparatus and timing device for initiating a backwashing cycle |