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)
11/1978
11/14/1978US4125469 Bi-directional filter drier
11/14/1978CA1042229A1 Leaf filter test method for determining filtration characteristics of a fibrous slurry and apparatus for performance thereof
11/07/1978US4124511 Fluid filter apparatus of standardized pipe dimension having interchangeable filter means positively secured therein
11/07/1978US4124507 Reciprocating vacuum filter
11/07/1978US4124446 Apparatus and method for filtering radioactive liquid
10/1978
10/31/1978CA1041441A1 Filter screen with wide acoustic pressure transducer
10/24/1978CA1041025A1 Air-blocking filter assembly
10/24/1978CA1041021A1 Media for filtering blood
10/17/1978US4120911 Method for concentrating a slurry containing a solid particulate component
10/17/1978US4120790 Synthetic rubber dewatering apparatus and method
10/10/1978CA1040108A1 Process and device for filtering media
09/1978
09/26/1978US4116844 Compensating plate for a pressure filtration cell
09/26/1978US4116843 Liquid and solids separator
09/26/1978US4116646 Filter unit
09/26/1978US4116288 Method and apparatus for continuously separating lost circulating material from drilling fluid
09/26/1978US4116156 Maintenance alarm actuator
09/26/1978CA1039053A1 Dewatering system
09/19/1978US4115265 Vacuum filters
09/19/1978US4115201 Removing impurities from lubricating oils
09/12/1978US4113626 Dewatering screen
09/12/1978US4113623 For cooking oil form deep fat frying
09/12/1978US4113622 Dual strainer gate arrangement for turbine oil systems
09/12/1978US4113618 Method of and apparatus for solid-liquid separation
08/1978
08/29/1978US4110218 Liquid cleaning apparatus having cyclonic separators
08/29/1978US4110216 Apparatus for collecting debris floating in a stream
08/29/1978US4109676 Filters
08/22/1978US4108775 Cartridge filter
08/22/1978US4108134 Modulator valve
08/22/1978CA1036981A1 Magnetic separation
08/22/1978CA1036955A1 Parenteral liquid administration set with non-air blocking filter
08/22/1978CA1036951A1 Filter mounting and bypass valve assembly
08/22/1978CA1036949A1 Double-flow magnetic filter
08/15/1978US4107050 Filter cartridge
08/15/1978US4107048 Turbulence amplifier baffle
08/15/1978US4107046 Water purifier
08/15/1978US4107026 System and method for electric dewatering of solids suspension
08/15/1978US4106562 Wellhead apparatus
08/08/1978US4105564 Paint strainer
08/08/1978US4105547 Filtering process
08/01/1978US4104044 Bidirectional flow filter-drier assembly
07/1978
07/18/1978US4101400 Method for dewatering sludge
07/11/1978US4100069 Two-stage pulp thickening
07/11/1978US4099540 Two-way bypass valve
06/1978
06/27/1978US4097382 Dewatering screen
06/20/1978US4096070 Roughened spikes, polyolefins, polycarbonates
06/20/1978US4096069 Filter for polymer melts and solutions
06/13/1978US4094791 Lubricating oil filter with an upright filter pot
06/06/1978US4093548 Liquid filter apparatus
05/1978
05/30/1978US4092248 For a recirculating toilet
05/30/1978US4092246 Helically wound blood filter
05/30/1978US4092245 Liquid purification method
05/23/1978US4091265 Fuel filter heating assembly
05/09/1978US4088579 Filter elements, removal of water
05/02/1978US4087358 Augmenting and facilitating flushing in magnetic separation
04/1978
04/25/1978US4086166 Water filtering and dispensing apparatus
04/18/1978US4085040 Front feed static screen
04/18/1978US4084949 Surgical face mask filtering medium
04/18/1978US4084750 Nozzle assembly for filters
04/04/1978US4082676 Dirt filter for water pipes
04/04/1978US4082673 Filter asembly with integral service shut-off valve
04/04/1978US4082665 Fluid filter device for automotive power steering system
04/04/1978US4082656 Filter disc for magnetic separator
03/1978
03/28/1978US4081376 Emergency running apparatus in a filtering apparatus
03/28/1978US4081374 Balance control water screen
03/28/1978US4081171 Self-cleaning filter assembly for solenoid-actuated valves
03/28/1978US4080990 Six-way deviator valve for liquids
03/07/1978US4077880 Sieves, sand pack
03/07/1978US4077876 Shut-off valve apparatus
02/1978
02/28/1978US4076623 Continuous oscillation of liquid separator
02/21/1978US4075105 Stackable colander and base
02/21/1978US4075099 Integral oil supply and filter
02/21/1978US4075095 Filtration, settling, backwashing
02/14/1978US4073732 Media for filtering blood
01/1978
01/31/1978US4071193 Method of and apparatus for flow spreading
01/24/1978US4070288 Disc filter having means for sensing the thickness of filter cakes and method of filtering with the filter
01/17/1978US4069154 Vacuum filtration process employing a circular vacuum box
01/10/1978US4067812 Filter construction
01/10/1978US4067810 Fluid filter magnet assembly
01/03/1978US4066556 Fluid filter and method of making same
01/03/1978US4066552 Combined pump and self-cleaning centrifugal contamination separator
01/03/1978US4066546 Continuous filtering process and an apparatus therefor
01/03/1978US4066526 Method and apparatus for electrostatic separating dispersed matter from a fluid medium
12/1977
12/20/1977US4064053 Strainer improvement
12/20/1977US4064046 Self-cleaning filter apparatus
12/13/1977US4062781 Disposable filter with interchangeable end elements
12/13/1977US4062774 Brake fluid filter
12/13/1977US4062669 N-Organo-N-phosphonomethylglycine-N-oxides and plant growth regulant and phytotoxicant compositions containing same
12/06/1977US4061576 Inline oil filter assembly
12/06/1977US4061571 Marine water inlet device
11/1977
11/22/1977US4059520 Apparatus for filtering and heating a liquid
11/22/1977US4059519 Pump basket strainer and assembly
11/22/1977US4059498 Radial flow electrostatic filter
11/22/1977US4059020 Filter for micropipettes
11/08/1977US4057502 Seal for cartridge-type filter assemblies
11/08/1977US4057499 Apparatus and method for separation of blood
11/08/1977US4057496 Method and device for filtration
11/01/1977US4056474 Self cleaning
10/1977
10/25/1977US4055498 Selective filtration apparatus
10/11/1977US4053410 Filter assembly with modulating bypass valve
10/11/1977US4053409 Removable filter assembly with bypass valve