| 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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| 10/11/1977 | US4053405 Warning device and method for fuel filtering systems |
| 10/11/1977 | US4053403 Method of treating and degerminating bath water, particularly bath water contaminated by the germ bact. pseudomonas pyocanea, in medical tub-baths and underwater massage baths |
| 10/11/1977 | US4053354 Method and device for forming a filtering fiber cake in an apparatus for measuring the beating degree of pulp flowing through a conduit |
| 10/04/1977 | US4052317 Filtering equipment |
| 10/04/1977 | US4052312 Strainer magnets |
| 10/04/1977 | US4052310 Seal assembly |
| 10/04/1977 | US4052308 Contamination entrapment and cleaning device for motor vehicle engine liquid cooling system coolant |
| 10/04/1977 | US4052307 Universal filter mounting attachment |
| 10/04/1977 | US4052305 Method and apparatus for clarifying liquids by straining |
| 10/04/1977 | US4052289 Apparatus for electrostatically purifying non-conductive liquid |
| 10/04/1977 | US4052163 Plastic vacuum suction funnel |
| 09/27/1977 | US4051042 Fluid flow filtering arrangement |
| 09/27/1977 | US4051039 Activated sewage plant and process |
| 09/27/1977 | US4051031 Filter apparatus |
| 09/20/1977 | US4049550 Water filtration module |
| 09/13/1977 | US4048074 Apparatus for separating solids from liquids or gas |
| 09/13/1977 | US4048071 Liquid filtering device |
| 09/13/1977 | US4048031 Method and apparatus for purifying emulsions and contaminated water with electolysis |
| 09/06/1977 | US4046696 Extracorporeal circuit blood filter |
| 09/06/1977 | US4046695 Duplex basket strainer arrangement |
| 09/06/1977 | US4046694 Apparatus for separating particulate solids from liquids |
| 09/06/1977 | US4046692 Domestic water control unit |
| 09/06/1977 | US4046681 Multiple matrix assembly and matrix unit for magnetic separator with simplified sealing |
| 08/30/1977 | US4045351 Disposable |
| 08/30/1977 | US4045345 Self-flushing filter |
| 08/16/1977 | US4042511 Low profile static screen |
| 08/16/1977 | US4042508 Filter holding means |
| 08/16/1977 | US4042505 Filter arrangement with baffles |
| 08/16/1977 | US4041560 Method and device for dewatering of suspensions in movement |
| 08/09/1977 | US4040964 Adjustable container strainer and handle |
| 08/09/1977 | US4040926 Electrofiltration process for purifying organic liquids |
| 07/26/1977 | US4038194 Blood filter unit |
| 07/26/1977 | US4038189 Fluid dual filter |
| 07/19/1977 | US4036758 In-line |
| 07/19/1977 | US4036755 Filter for cleaning lubricating oil in internal combustion engines |
| 07/12/1977 | US4035304 Pvc resin, nylon |
| 07/12/1977 | US4035300 Filter arrangement with allowances for manufacturing tolerances |
| 07/12/1977 | US4035295 Filtering arrangement for internal combustion engines |
| 07/05/1977 | US4033880 Filter device |
| 07/05/1977 | US4033873 Filtration apparatus and pressure seal |
| 07/05/1977 | US4033872 Reservoir tank |
| 07/05/1977 | US4033870 Dual oil filter automatic switching system |
| 07/05/1977 | US4033864 Inlet and outlet apparatus for multiple matrix assembly for magnetic separator and modular matrix and matrix unit |
| 06/28/1977 | US4032456 Mesh cover |
| 06/28/1977 | US4032455 Traps for sinks, laundry tubs and the like |
| 06/28/1977 | US4032451 Filter device with rotatable bypass valve |
| 06/28/1977 | US4032114 Vortical flow distributor |
| 06/28/1977 | US4032107 Plug valve |
| 06/21/1977 | US4031011 Magnetic filter apparatus |
| 06/14/1977 | US4029580 Bidirectional flow filter-drier |
| 06/14/1977 | US4029579 Of a fiber and liquid |
| 06/14/1977 | US4029042 Differential pressure indicator device |
| 06/07/1977 | US4028254 Fluid filter |
| 06/07/1977 | US4028232 Filter screen, acoustic pressure waves |
| 05/31/1977 | US4026806 Filter including fluid-flow control |
| 05/31/1977 | US4026805 Magnetic filter |
| 05/31/1977 | US4026153 Magnetic pressure indicator with sampling ports |
| 05/24/1977 | US4025618 Method for separation of cryoprecipitate from blook plasma |
| 05/24/1977 | US4025433 Magnetic separating apparatus |
| 05/24/1977 | US4025432 Flow control unit for magnetic matrix |
| 05/17/1977 | US4024066 Drainage device for gravel and sand |
| 05/17/1977 | US4024064 Aquariums |
| 05/10/1977 | US4022675 Particles from hydrocarbon fractions |
| 05/03/1977 | US4021353 Flat profile filter |
| 05/03/1977 | US4021342 Fuels, hydraulic fluids |
| 05/03/1977 | US4020922 Filter catcher |
| 04/19/1977 | US4018899 Process for recovering feed products from animal manure |
| 04/19/1977 | US4018687 Glass-enclosed integral glass and ceramic filter unit |
| 04/19/1977 | US4018686 Fluid strainer element |
| 04/12/1977 | US4017394 Water screen |
| 04/12/1977 | US4017390 Centrifuging |
| 04/05/1977 | US4016083 Spirally-wound membrane-type separator module capable of reversing the direction of liquid flow |
| 03/29/1977 | US4014797 Intravenous injection apparatus and needle adapter with filter and method of making same |
| 03/29/1977 | US4014796 Injection molding of plastics |
| 03/29/1977 | US4014653 Micro-filter |
| 03/15/1977 | US4012323 Separator apparatus |
| 03/01/1977 | US4009715 Filter for infusion and transfusion apparatus |
| 03/01/1977 | US4009572 Hydrostat systems containing coaxial multidirectional flow control valves |
| 02/01/1977 | US4006084 Oil reclaiming device |
| 02/01/1977 | US4006083 Pressure differential switch |
| 01/25/1977 | US4005013 Differential controller valve and sequencer |
| 01/25/1977 | US4004587 Parenteral liquid administration set with non-air blocking filter |
| 01/18/1977 | US4003836 Device for filtering a moving fluid |
| 01/18/1977 | US4003835 Fittings |
| 01/18/1977 | US4003397 Dual coaxial bidirectional valves and filter assemblies and hydrostat systems containing the same |
| 01/04/1977 | US4001120 Water filter device |
| 12/21/1976 | US3998739 Apparatus for filtration |
| 12/21/1976 | US3998737 Filter arrangement with split hydraulic tank |
| 12/14/1976 | US3997447 Fluid processing apparatus |
| 12/07/1976 | US3996137 Filter assemblies containing coaxial bidirectional flow control and relief valves |
| 11/23/1976 | US3993561 Fuel filter |
| 11/16/1976 | US3992296 Device for detecting the clogging of strainer filter |
| 11/09/1976 | US3990972 Apparatus for the monitoring of filters |
| 11/02/1976 | US3989628 Degritting and fiber removal system |
| 10/26/1976 | US3988243 Riser box |
| 10/19/1976 | US3986506 Apparatus for separation of cryoprecipitate from blood plasma and method |
| 10/12/1976 | US3985652 Dual coaxial bidirectional valves and filter assemblies and hydrostat systems containing the same |
| 10/12/1976 | US3985649 Ferromagnetic separation process and material |
| 10/05/1976 | US3984325 Filter device |
| 09/28/1976 | US3983038 Self-purging screen changer and strainer plate |