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