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4350594 |
Blood purification using plural ultrafiltration stages
The invention provides a blood treatment apparatus realizing double-step-membrane filtration, namely separation of blood into plasma and a corpuscular fraction and separation of...
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4298357 |
Degassing system
A supplementary degassing system is disclosed herein for use with a bedside console of the type employed in a central delivery system in the event additional degassing is necessary. The system may...
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4269708 |
Hemodialysis and/or ultrafiltration apparatus
Portable hemodialysis apparatus which can be used for dialysis and/or ultrafiltration, or hemoperfusion. Separate circuits are provided for blood and for the ultrafiltrate and the dialysis...
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4218321 |
Device for removal of excess water from blood
A device for removal of excess water from blood is formed by having a plurality of solution chambers and a plurality of blood chambers arranged alternately, partitioning the adjoining ones of the...
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4213859 |
Dialysis with ion exchange extraction of phosphates
An apparatus for purifying blood has a blood compartment and a clearance compartment separated by a semi-permeable membrane. The apparatus includes a device containing a cation exchange resin...
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4180460 |
Portable machine for regenerative dialysis
A portable machine for regenerative dialysis comprises a dialyzing liquid reservoir in which is immersed a suction duct connected to a heating tube the temperature of which is controlled by a...
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4159949 |
Contaminant remover
A system is provided for continuously removing contaminants from a fluid stream on a high volume basis, such system being adapted particularly for use with contaminated lubricating oil found in...
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4148729 |
System for storing and handling used cooking oils
A system for storing and handling used cooking oils and the like comprises a dump station located adjacent to the kitchen facility in a restuarant for receiving and feeding the used cooking oils...
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4146475 |
Electrefiner
An electric oil refining apparatus for motor vehicle internal combustion engines designed to remove liquid and solid contaminants from oil which is then recycled. The oil exits from a single small...
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4140635 |
Purification device
A purification device for utilizing a gas to purify a liquid, principally useable as an artificial lung, and employs a simple mixing tube so as to assure the mixing of a purification gas with the...
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4111812 |
Recovering surfactant
In one aspect a process for breaking an oil/water/surfactant emulsion obtained from an oilfield after chemical flooding comprises ultrafiltering the emulsion. In another aspect the oil and water...
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4088578 |
Process and apparatus for separating oil from water contaminated with oil
Water contaminated with oil is separated within a closed container into an oil layer and a water layer containing a residue of oil, because of the difference in the specific gravities of water and...
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4000065 |
Method and apparatus for purifying aqueous streams contaminated with organic materials
Aqueous streams contaminated with minor amounts of organic materials are separated into an aqueous fraction which is concentrated with respect to the organic contaminants and a water fraction...
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3996136 |
Pump-filter for bilge water
A housing for a bilge pump-filter has a lower part in which oil and like light pollutants are separated from the polluted water. A pump has its intake connected to the lower region of this lower...
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3984320 |
Vacuum filter leg for clarifying vessel
An apparatus and a control system for receiving the mud-like discharge from a liquid clarifying vessel and dewatering it into the form of slugs by vacuum means connected to the annular space...
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3972816 |
Oil extractor
Method and means for separating emulsified and entrained oils from water, machine coolants, and substantially any other liquid comprising initially directing a flow stream into an inlet trap for...
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3971720 |
Method of and apparatus for processing cattle excrement
A method of and apparatus for separating from ruminant animal feces the undigested fibrous material that is preponderantly short pieces which consist of bundles of capillary tubes. The feces are...
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3954611 |
Portable apparatus and method for purifying lubricating oil in various devices
Disclosed is a portable apparatus and method for purifying lubricating oil in remotely separated devices, such as gearboxes and motors on oil well pumping equipment. The apparatus is mounted on a...
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3926797 |
Separation apparatus using ultrafiltration
Apparatus is provided for the purification of a liquid, especially blood, which comprises: A. an ultrafiltration cell and an ultrafiltration membrane dividing said cell into two compartments, an...
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3917526 |
Combined foam flotation and membrane separation processing
A foam flotation step, which can be of particular advantage to remove suspended solids, fats, oily wastes, etc., from a liquid stream, is combined with one or more membrane separation stages to...
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3864255 |
Solids separation system
A method and apparatus for continuous batch-by-batch separation of solids from liquids, especially adapted for the separation of grass and grass-like components from liquid manure. The liquid...
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3839200 |
DIALYSIS APPARATUS
A dialysis apparatus, especially for the purification of blood, is provided which comprises: A. a first dialyser and a dialysis membrane separating said dialyser into two compartments and an inlet...
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3839206 |
PROCESS FOR REMOVING POLLUTANTS FROM LIQUIDS
The treatment of waste water by the application of polyelectrolytes to the waste water to remove dispersed and dissolved waste particles and then subjecting the resultant treated or clarified...
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3814254 |
AQUARIUM CLEANSING APPARATUS
Apparatus for maintaining a clean environment in an aquarium. A false bottom having a perforate top and defining an open flow space thereunder is placed in an aquarium and is covered with a layer...
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3805959 |
RADIOACTIVE WASTE TREATMENT SYSTEM
Radioactive waste in nuclear reactor power plants include solid radioactive process waste, floor drain wastes and backwash water from filters and demineralizers. The solid radioactive process waste...
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3774768 |
APPARATUS FOR TREATING INDUSTRIAL AND DOMESTIC WASTE WATERS
A system for treating waste waters including a pair of concentric tanks forming a space therebetween which serves as an aeration chamber. Untreated but screened waste water is discharged into the...
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3679052 |
FILTRATION APPARATUS AND METHOD
A pressure filter and a method of filtering of the type employing a particulate filter aid may be operated substantially continuously through an operating cycle composed of a cleaning stage of...
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3619423 |
CASCADE DIALYSIS APPARATUS AND METHOD
A system, such as an artificial kidney, is disclosed which facilitates the removal of undesirable substances found in a fluid material, such as blood. The system utilizes a dialyzer and an...
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3525438 |
FILTERING SYSTEM
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3515278 |
SEWAGE TREATMENT APPARATUS
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3508660 |
SLAG EXTRACTING APPARATUS
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3490592 |
APPARATUS FOR PRODUCING FILTER CAKES AND RECOVERING A PROCESS FILTRATE THEREFROM
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3487937 |
SEWERAGE TREATMENT PLANT
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3457169 |
METHOD AND APPARATUS FOR SEPARATION OF OIL FROM AQUEOUS LIQUIDS
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3425802 |
FLOCCULATION OF IMPURITIES IN ALUM SOLUTIONS
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3419146 |
Sewerage treatment plant
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3392839 |
Multiple element strainer sandwich
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3368682 |
System for regenerating cooking oil
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3312347 |
Apparatus for reducing particle concentration in volume of liquid containing same
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3208201 |
Crude oil separating treatment
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3152987 |
Water purifying device for aquariums
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3122148 |
Dishwasher with multiple filter means
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3118834 |
Sewage treatment apparatus
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3052358 |
Fuel filtration system
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3049240 |
Filtration equipment
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2868382 |
Filter device with coarse filter and self-cleaning fine filter
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2858025 |
Device for draining a mass of sludge
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2850168 |
Full-flow filter
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2843268 |
Combined full-flow and part-flow oil filters
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2789089 |
Port construction for thermal diffusion apparatus
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