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)
10/1979
10/23/1979US4172037 Continuous process diffuser
10/23/1979CA1064831A1 Strainer
10/17/1979EP0004724A2 Coalescing method and apparatus and purified products obtained therewith
10/16/1979CA1064296A1 Continuous process diffuser
10/09/1979US4170552 Method for coalescing mercury particles
10/09/1979US4170529 Electrophoresis
10/02/1979US4169795 For intravenous sets
10/02/1979CA1063524A1 Filter assembly with modulating bypass valve
10/02/1979CA1063408A1 Two-stage pulp thickening
09/1979
09/25/1979CA1063042A1 Fluid filter housing assembly
09/18/1979US4168222 Dewatering, electophoresis
09/18/1979CA1062631A1 Disposable filter unit
09/18/1979CA1062625A1 Apparatus for filtering radioactive fluids
09/18/1979CA1062624A1 Rotary plate magnetic separator with edge keepers
09/18/1979CA1062499A1 Method and a device for forming a filtering fiber cake in an apparatus for measuring the beating degree of pulp flowing through a conduit
09/11/1979US4167483 Hydraulic systems
09/11/1979US4167482 Filtering method and apparatus
09/11/1979CA1062170A1 Magnetic filter element
09/11/1979CA1062093A1 Differential pressure indicating device
09/05/1979EP0003859A1 A device for treating waste water
09/04/1979US4166792 In-line fluid filter
08/1979
08/28/1979US4166034 Of filter cake on membrane
08/21/1979US4165289 Self-sufficient heat treatment
08/14/1979US4164468 Blood treating device and method of operation
08/14/1979US4164384 Rotary vane vacuum pump with filter means for inlet
08/14/1979CA1060353A1 Apparatus and method for rapid cyclic filtration of contaminants from liquids
08/07/1979CA1059874A1 Automatically controlled discharge trap
07/1979
07/31/1979US4162975 High velocity composite strainer
07/31/1979US4162549 Filtering elements
07/31/1979CA1059535A1 Ceramic foam filter
07/24/1979CA1059036A1 Removable filter assembly with bypass valve
07/11/1979EP0002847A1 Process for drying filter residues
07/10/1979US4160735 Fluid filter bypass valve assembly
07/10/1979CA1058300A1 Pressure differential switch
07/03/1979CA1057672A1 Self filtering nozzle and its manufacture
07/03/1979CA1057670A1 Foam-like ferromagnetic packing for clarifiers
07/03/1979CA1057523A2 Method and apparatus for cleaning fabric filters of bag type or the like
06/1979
06/19/1979US4158631 Paint strainer
06/19/1979CA1056901A1 Method and apparatus for separating dispersed matter from a fluid medium
06/13/1979EP0002422A1 Filtration device
06/13/1979EP0002242A2 Filter assembly with replaceable filter element
06/13/1979EP0002237A1 Solid-liquid separation apparatus
06/12/1979US4157965 Improved fluid flow characteristics
06/12/1979US4157961 Combined waste water clarification and trash disposal system
06/05/1979US4157302 Method and apparatus for treating liquid-containing substance mixtures, particularly fibre suspensions
06/05/1979CA1056075A1 Degerminating bath water contaminated by the bacteria pseudomonas pyocanea
06/05/1979CA1055857A1 In-line fluid filter
05/1979
05/29/1979US4156651 Feed water lines
05/29/1979US4156647 Chemical reaction, adsorption or ion exchange
05/29/1979CA1055293A1 Method and device for dewatering of suspensions
05/22/1979US4155850 Fluidic filters
05/22/1979CA1054975A1 Seal assembly for a moving matrix magnetic separator
05/08/1979CA1054073A1 Gas purging fluid filter
05/01/1979US4152264 Lake pump suction mechanism
05/01/1979US4152253 Screen rotation; anticlogging
05/01/1979CA1053536A1 Six-way deviator valve for liquids
04/1979
04/17/1979US4149974 Strainer apparatus mounted within a tube
04/10/1979US4148730 Undergravel aquarium filter
04/10/1979CA1052296A1 Fluid filtering device
04/10/1979CA1052288A1 Process of manufacturing a porous, stainless steel filter element and sealing it in a tubular fitting, and resulting filter
04/10/1979CA1052287A1 Stacked parallel filters
04/03/1979US4147632 Augmenting and facilitating flushing in magnetic separation
04/03/1979US4147631 Filter
03/1979
03/27/1979US4146475 Electrefiner
03/20/1979US4145285 Liquid fuels
03/20/1979US4144841 Aeration and filtration apparatus
03/13/1979CA1050440A1 Filtering with constant pressure drop across medium
03/06/1979US4142973 Valve with indicator circuit
03/06/1979US4142479 Magnetic separators and apparatus for making the same
03/06/1979CA1049987A1 Centrifugal separator with additive means
02/1979
02/27/1979US4141824 Tangentially fed upflow sand filter method and apparatus
02/20/1979CA1048942A1 Vacuum filtration process employing a circular vacuum box
02/20/1979CA1048941A1 Filter assembly
02/13/1979US4139468 Fluid filtering device
02/13/1979US4139466 Differential fluid pressure indicating device
02/13/1979US4139441 Electrofiltration with bi-directional potential pretreatment
02/13/1979CA1048419A2 Rotating radial screen filter
02/13/1979CA1048418A1 Glued magnets in filter disc separator
01/1979
01/30/1979US4137159 Apparatus and method for deliquifying material
01/23/1979US4136011 Transmission fluid filter and method for manufacture thereof
01/23/1979CA1046989A1 Angularly adjustable bent screen classifying and dewatering device
01/23/1979CA1046957A1 Integral oil supply and filter
01/09/1979US4133768 Flow choke filter for oil and gas wells
01/09/1979US4133763 Filter assembly with replaceable filter element
01/09/1979US4133760 Knockdown type filtering device
01/02/1979US4132650 Fused fiber blood filter
01/02/1979US4132649 Gasket arrangement for purification apparatus
12/1978
12/26/1978CA1045047A1 Filtering apparatus
12/19/1978US4130487 Filters for liquids or gases
12/19/1978CA1044612A1 Magnetic filter filtering in parallel, backwashing in series
12/12/1978US4129503 Oil pump inlet screen assembly
12/12/1978US4129498 Magnetic separation
12/12/1978US4129137 Washing apparatus for filter press
12/12/1978CA1044159A1 Blood filtration unit
11/1978
11/21/1978US4126559 Pharmaceutical filter
11/21/1978US4126557 Fuel oil filter
11/21/1978US4126553 Hydraulic filter and valve arrangement
11/21/1978CA1042853A1 Filter for pipettes
11/21/1978CA1042816A1 Fibrous blood filter
11/21/1978CA1042815A1 Method and apparatus for cleaning hydraulic and transmission oil