Patents
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)
07/1980
07/08/1980US4211653 Method for vacuum filtration
06/1980
06/25/1980EP0012594A1 Self purging seal
06/24/1980US4209404 Filter press
06/24/1980US4209401 Filter drier
06/24/1980US4209394 Magnetic separator having a multilayer matrix, method and apparatus
06/24/1980CA1080131A1 Tube pressure filters
06/24/1980CA1080130A1 Pharmaceutical filter
06/17/1980US4208290 Self-cleaning inlet screen to an ocean riser pipe
06/11/1980EP0011978A1 Improved household water filter
06/10/1980US4207187 Apparatus for filtering and cooling oil or other fluids
06/10/1980US4207181 Self-cleaning filters
06/10/1980US4207158 Electrically augmented vacuum filtration
06/03/1980US4206055 Household water filter
06/03/1980CA1078784A1 Nested front feed static screen for aqueous suspensions
05/1980
05/28/1980EP0011189A1 Device with a membrane for damping oscillations in flowing liquids
05/27/1980US4204967 Tubewell screen filters
05/27/1980US4204965 Safety device for oil filters and the like
05/27/1980US4204960 Combination strainer and suction inlet pipe
05/27/1980US4204948 Self-purging seal
05/20/1980US4203384 Magnetic pressure indicator with deactuator for bimetallic temperature-sensitive elements
05/14/1980EP0010705A1 Filtering apparatus having interconnected parts
05/14/1980EP0010569A1 Magnetic pressure indicator with thermal lockout
05/13/1980US4202777 Flow distribution means for screening apparatus
05/13/1980US4202771 Chemical recovery filter
05/13/1980US4202659 Device for changing a wire netting in a filter device for synthetic resins
05/13/1980CA1077407A1 Filter arrangement with allowances for manufacturing tolerances
05/13/1980CA1077406A1 Filtering elements
05/06/1980US4201827 Magnetically supported particle matrix for accumulating or affecting substances dissolved or finely dispersed in a liquid or gas
04/1980
04/30/1980EP0010338A1 Filter for filtering viscous liquids and particularly molten thermoplastic synthetic resins
04/29/1980US4200509 Method for dewaxing refined vegetable oils for refrigerator clarity stability
04/29/1980CA1076520A1 Color improvement process for organic liquid
04/22/1980US4199456 Apparatus for a screen assembly for removing solids from fluids
04/22/1980US4199443 For selectively detecting particles above predetermined size
04/22/1980US4198720 Dirt remover for water tank
04/22/1980CA1076042A1 Fluid filter
04/22/1980CA1076041A1 Filters for liquids or gases
04/22/1980CA1076035A1 Seal for cartridge-type filter assemblies
04/22/1980CA1075979A1 Magnetic pressure indicator with sampling ports
04/16/1980EP0009612A1 Magnetic pressure indicator with deactuator for bimetallic temperature-sensitive elements
04/08/1980US4197207 Fluid filtering device
04/03/1980WO1980000542A1 Process of filtration
04/01/1980US4196078 Process and apparatus for dewatering granulated material, especially granulated blast furnace slag
04/01/1980CA1074758A1 Sewage treatment
04/01/1980CA1074708A1 Blood filtering bag
03/1980
03/25/1980US4194956 Crystallization, filtration in high gradient electrostatic field
03/20/1980WO1980000420A1 Electrically grounded filter plate
03/18/1980US4193442 Dual bimetal relief valve
03/11/1980US4192751 Bi-directional filter drier
03/11/1980US4192750 Stackable filter head unit
03/11/1980CA1073333A1 Apparatus for tensioning and locking hooping bands
03/04/1980US4191648 Filtration device for filtering temperature controlled fluids
03/04/1980CA1072886A1 Flat profile filter
02/1980
02/26/1980US4190524 For separating magnetizable particles from a fluid
02/26/1980CA1072454A1 Filtering device with v-shaped belt, and packing with glass balls
02/26/1980CA1072453A1 Process and equipment for the thickening of slurries
02/21/1980WO1980000222A1 Oil reconditioning system
02/20/1980EP0008018A1 Box filter
02/19/1980US4189724 Electric restriction indicator with a contactless switch device for indicating a restriction in filter elements
02/19/1980US4189351 Oil reclamation device
02/19/1980US4188948 Filter device
02/12/1980US4187989 Screening, rupturing, agitation
02/12/1980CA1071541A1 Pool filtering system
02/12/1980CA1071501A1 Self-cleaning filter assembly for solenoid-actuated valves
02/05/1980US4187182 Box filter
02/05/1980US4187179 Electrically grounded filter plate
01/1980
01/22/1980US4184957 Sewage treatment
01/22/1980US4184950 Method and apparatus for dewatering sludge
01/15/1980US4183812 Fluid filtering device
01/09/1980EP0006830A1 Plastic well screen and its connection system
01/08/1980US4183029 Ink filter clogging sensor and indicator
01/08/1980CA1069444A1 Degritting and fiber removal with cyclone and filter
01/08/1980CA1069302A1 Method and device for sludge treatment
01/01/1980US4181611 Filter thermal bypass valve
01/01/1980US4181243 Device for filtering beverages
12/1979
12/25/1979CA1068615A Pump basket strainer and assembly
12/18/1979US4179379 For transferring liquids
12/18/1979US4179373 Shutoff and bypass valve
12/18/1979US4179372 Fluid filtering device
12/18/1979CA1068413A1 Filters for the treatment of radioactive fluids
12/11/1979US4178246 Separator for discrete solids from liquids
12/11/1979US4177653 Slush filtration method
12/11/1979US4177529 Filter wrench
12/11/1979CA1067834A1 Separator apparatus
12/04/1979US4177145 Two-way filter-drier for heat pump systems
12/04/1979US4177141 Pre-impregnation
12/04/1979US4176545 Electronic engine wear detector
12/04/1979CA1067421A1 Filters
12/04/1979CA1067418A1 Plastic vacuum suction funnel
11/1979
11/28/1979EP0005599A1 Two-way filter-drier
11/27/1979US4176067 Label accumulator and caustic separator
11/27/1979US4176065 Magnetic filter
11/20/1979US4174699 Engine oil processing system
11/20/1979CA1066660A1 Filtering process
11/06/1979CA1065763A1 Water filter device
11/01/1979WO1979000884A1 Regeneration process of a filtering apparatus and device for implementing such process
10/1979
10/30/1979US4172971 Magnetic pressure indicator with thermal lockout
10/30/1979US4172798 Multi-part with a replaceable filter
10/30/1979US4172796 For home use
10/30/1979CA1065261A1 Continuous filtering process with rotating disk cleaner and a filter therefor
10/23/1979US4172038 Improved flow path