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3876544 |
Electrogalvanic filter cell
A filter cell for coalescing oil droplets dispersed in a water emulsion, including a perforated tubular core into which the emulsion is injected. A layer of emulsion breaking fibrous metallic...
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3868325 |
FILTER TUBE ADAPTERS
Adapters for insertion into the ends of a filter tube comprising a cylindrical mesh core supporting a fibrous winding. Each adapter includes a sharp annular edge for biting into the interior of the...
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3867292 |
Aquarium filter system
A unique aquarium filter system is provided comprising a filter element of polyurethane or other open pore material covering the bottom area of an aquarium, and with a plurality of passageways...
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3867294 |
Cylindrical filter elements with improved side seam seal
Cylindrical filter elements are provided having an improved side seam seal, which can be bonded to end caps in a leak-tight manner.
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3865732 |
Emulsion breaker
An emulsion breaker featuring a two stage unit, the first stage comprising a resin impregnated fibrous medium including water-resistant, preferentially hydrocarbon-wettable synthetic fibers and...
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3861975 |
FILTERING DEVICE AND PROCESS OF MANUFACTURING THE SAME
A filtering device including a filter receptacle and a filter element, the inner supporting faces of said filter receptacle and the outer supported faces of said filter element having the shape of...
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3862036 |
APPARATUS AND METHOD FOR RAPID CYCLIC FILTRATION OF CONTAMINANTS FROM LIQUIDS
Apparatus and method for filtering solids from liquid, including filter means, pump means and valve means operatively connected to one another in conduit means to alternately cause a substantially...
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3856674 |
FILTERING PROCESS AND APPARATUS
A process and apparatus for filtering a substance flowing through a passage in which a filter is introduced through inlet and outlet ports so that a part of the filter extends across the passage, a...
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3856683 |
DUAL FLOW FLUID FILTER
A Dual Flow Fluid Filter is provided which comprises a casing open at opposite end and having disposed within the casing a pair of identical filters arranged back-to-back and with a peripheral dam...
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3849313 |
BELT FOR A VACUUM FILTER
A belt for a vacuum filter has a series of transverse drainage channels formed by ribs running from the outer edges of the belt towards perforations positioned along the longitudinal center line of...
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3837495 |
LIQUID FILTERS
A liquid (engine-lubricating oil) filter comprising a closed-ended can-type housing, one end closure having oil inlet openings and a centrally disposed oil outlet opening; and a filter element or...
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3830373 |
CORRUGATED DRAINAGE TUBE WITH RESTRAINING SCREEN
Flexible corrugated drainage tube comprises alternating annular peaks and annular valleys with walls interconnecting peaks and valleys. Plurality of openings in selected valleys of tube are...
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3819055 |
FILTER CUP CONSTRUCTION
Filter cup construction having a cup-like member, the cup-like member having a stem-like cup portion and a funnel-like portion adjoining the stem-like cup portion. The funnel-like portion is...
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3812972 |
LIQUID FILTER AND METHOD FOR FABRICATING SAME
A liquid filter including at least two filter members having continuously contacting opposing surfaces, the members each being fabricated of a non-porous material, wherein at least a segment of a...
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3811659 |
ARCHED STRAINER PLATE FOR PLASTIC AND LIKE MATERIAL
This invention relates to strainers and particularly to strainers for straining plastic, visco-elastic, or highly viscous, rubbery materials and more particularly to a strainer having an improved...
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3800945 |
CELL HAVING CATALYTIC ACTION FOR COALESCING OIL DROPLETS
A cell having catalytic action for coalescing oil droplets dispersed in a water emulsion including a perforated core into which the emulsion is injected, a layer of emulsion breaking fibrous...
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3782554 |
PRESSURES FILTERS AND FILTER ELEMENTS THEREFOR
A tube pressure filter is provided with a filtering means which comprises (a) filtrate receiving and drainage member including a wire mesh sleeve which is of a size such that it fits closely over...
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3771661 |
MULTIPLE FLUID FILTER PLATE ASSEMBLY
This disclosure pertains to the construction of assemblies of panel-type adsorbers or filters for fluids using components readily standardized to facilitate a variety of available flow patterns...
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3747770 |
FILTER SCREEN
There is provided an improved filter medium characterized by a very fine mesh woven wire straining fabric supported on a relatively large open mesh grid having substantially planar faces and...
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3735871 |
FILTER JACKET FOR COOKING OIL
A jacket of cloth for a paper and wire mesh filtering assembly presently employed for cleaning fried food cooking oil which enables cleaning of the filter assembly by scraping the surface of the...
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3728061 |
MULTI-LAYER SPINNERETTE WITH HEAD FILTER
The central cavity of a spinnerette head assembly for the extrusion of synthetic polymer filters is substantially filled with tubular filters closed at one end and communicating with extrusion...
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3670898 |
FILTER HAVING A FLEXIBLE WALL FOR FILTERING LIQUIDS
An apparatus for filtering a fluid medium, for example, dirty swimming pool water, comprises a hollow filter sleeve having a flexible wall which wall is caused to deform by the pressure of fluid...
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3645398 |
COALESCER CARTRIDGE AND COALESCER FOR OILY WATER
A replaceable coalescing cartridge, capable of use in any commercial coalescer, comprising an upstream coalescing section and a downstream bubble breaking section, transforms small diameter oil...
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3620375 |
FILTER CONSTRUCTED OF METALLIC MATERIAL
In a filter for use in removing entrained matter contained in a flowing material, a series of superimposed layers of a metallic filtering composition forms an inner core that is encased...
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3619718 |
METHOD AND APPARATUS FOR NEUTRALIZING ELECTROSTATIC CHARGES ON FLOWING LIQUIDS
A method and apparatus whereby electrostatic charges contained in a liquid ydrocarbon are neutralized by utilizing filters which impart opposite charges to the liquid. An organic filter element...
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3578175 |
HELICALLY WOUND SEMIPERMEABLE MEMBRANE
A membrane element, useful in treatment of a solution by osmosis or reverse osmosis, comprises a porous support structure around which is a semipermeable membrane preferably formed by helically...
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3556304 |
PLASTIC FILTER CANDLE
A filter which consists of a foraminous tubular spacer made of two layers of integrally extruded filaments with one end closed with a welded-on cap and the other end provided with a flange and...
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3556299 |
FLUID DISTRIBUTING CONDUIT FOR PROCESSING APPARATUS
A fluid distributing conduit for conveying fluid under pressure to materials confined within a process vessel includes a feed pipe having a series of holes and a cylindrical elongated member...
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3551287 |
TOTALLY INORGANIC PAPERS AND MEMBRANES SUITABLE FOR ION EXCHANGE MADE OF CERIUM (IV) PHOSPHATE AND PROCESS FOR PREPARING THE SAME
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3542195 |
FILTER CARTRIDGE
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3528547 |
WATER SENSITIVE FLOW MONITOR
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3528546 |
WATER SENSITIVE FLOW MONITOR
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3519560 |
METHOD AND APPARATUS FOR REMOVING WATER FROM FLUIDS
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3516540 |
FILTER WITH AUTOMATIC SHUTOFF
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3511382 |
DEVICE FOR DETECTION OF ABNORMAL MILK
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3498464 |
KNOCK-DOWN FILTER
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3493119 |
FILTER DISC CONSTRUCTION
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3487940 |
LIQUID FILTER ASSEMBLIES
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3482703 |
PARTICULATE AND BIOLOGICAL FILTERS
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3481479 |
VACUUM FILTER
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3478498 |
FILTER STRUCTURE
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3471028 |
MICROFILTER UNIT
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3460680 |
FILTER MEDIA SUPPORT WITH FILTER MEDIUM
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3455459 |
FILTER
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3448862 |
FILTER MEDIA HAVING AN INCREASED FILTER AREA
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3430770 |
REVERSE OSMOSIS APPARATUS
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3428184 |
SCREENS FOR REMOVAL OF LIQUID FROM SLUDGE MATERIALS
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3419151 |
Strainer bag construction
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3415382 |
Filter utilizing glass balls for filtering fluids
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3415384 |
Elements for removing contaminants from liquid
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