|
Match
|
Document |
Document Title |
|
|
4497707 |
Regenerable flow-through oil/water separation apparatus
Apparatus for separating water from oil employing a cylindrical, axially compressible, flow-through, oleophilic, hydrophobic reticular foam filter body covered peripherally with and bonded to a...
|
|
|
4488961 |
One-way filter unit
A one-way filter for use in fluid filtration comprising a housing having inlet and outlet ports, a filter element or elements, free of mobile fibers or filaments, disposed within said housing, and...
|
|
|
4478714 |
Pressurized filtration system
There is described a pressurized filtration system for removing suspended solids from a liquid which comprises two enclosed filter vessels each containing either a removable filter bag or...
|
|
|
4470905 |
Mechanism for extraction of immiscible, less dense material from a fluid
A process and mechanism for extracting oil based paint and other generally less dense, immiscible materials from water circulated through a spray paint booth includes a tank which receives the...
|
|
|
4469594 |
High pressure hydraulic system and self-cleaning filter assembly therefor
A hydraulically operated mining shovel comprises a stick which is pivotable in opposite directions by a pair of extendible/retractable double-acting hydraulic cylinders. A high-pressure hydraulic...
|
|
|
4464254 |
Device for separating serum from blood sample
In a serum separator, a sampling tube fits inside of a test tube. The sampling tube is provided with an elastomeric piston head at the lower end thereof having an annular lip to engage and form a...
|
|
|
4464255 |
Water purification device
A water purification device comprises a raw water channel forming plate extending spirally along the inner wall of a filter tank. A collector for collecting filtered water, positioned in the layer...
|
|
|
4451361 |
Apparatus for removing dissolved iron from water
An apparatus is provided for removing impurities such as iron compounds from water, which comprises: (1) an injector-mixer for colloidalizing the iron compounds in water under conditions of high...
|
|
|
4439295 |
Chlorine generating apparatus
A chlorine generating apparatus for chlorine treating of a body of water and comprising a pair of concentrically arranged tanks having concentrically arranged access ports, the inner tank being a...
|
|
|
4430213 |
Ultrafiltration unit
An ultrafiltration unit for the separation of the colloidal or very fine solid material by filtration through microporous or semipermeable mediums. The unit comprises a filter housing formed by an...
|
|
|
4427555 |
Filter system
A filter system wherein there is a first chamber containing fluid at a predetermined level, a shroud positioned in the first chamber immersed in the fluid, said shroud defining a downwardly-open...
|
|
|
4426285 |
Water softening and treatment system
A system for the combined softening of water and reduction of dissolved solids from the water, which can be retrofitted to a conventional water softening apparatus, includes a pressure tank, an...
|
|
|
4416767 |
Method and apparatus for the removal of excess sodium reagent and byproducts of reaction produced during the destruction and removal of polychlorinated biphenyls from oil
A method for removing the excess sodium and byproducts of reaction which occur during the destruction of PCBs from oil. A predetermined quantity of water is mixed with the decontaminated oil and...
|
|
|
4400271 |
Captive air system for water well
A captive air system for a water well. A submersible type pump is located downhole in a wellbore for pumping water from an aquifer to the surface of the earth. A special storage tank is buried...
|
|
|
4392872 |
Air bleeder valve for waterbed mattresses
An air bleeder valve for a waterbed mattress comprises a hollow tubular body sized to fit snugly into the fill spout of a waterbed mattress, a flap valve at one end of the body, and a porous,...
|
|
|
4391712 |
Reverse-osmosis water purifier apparatus and method
An apparatus and method whereby after a reverse-osmosis water purifier system has been shut down, the first quantity of water, which emanates from the reverse-osmosis filter, does not flow through...
|
|
|
4388185 |
Electric oil refiner
For an engine to be operated under oil pressure, an oil refiner composed of a cylindrical housing having a lid and a heater means arranged in the upper portion of the housing and a plurality of...
|
|
|
4377475 |
Apparatus for sucking up and holding sludge
In the case of an apparatus for sucking up and holding sludge, use is made of a sludge tank which may be evacuated. The sludge tank has a sludge door and a water outlet able to be put into...
|
|
|
4368118 |
Blood-air separator and filter
The blood-air separator is for use in the extracorporeal blood bypass during cardio-pulmonary surgery. Air bubbles are separated from the recirculating blood stream by centrifugal force and...
|
|
|
4367140 |
Reverse osmosis liquid purification apparatus
In apparatus for the reverse osmosis purification of water or other fluid in a module containing a membrane, the water is forced into the module under pressure using two piston-cylinder assemblies...
|
|
|
4354931 |
Check valve assembly with actuator
A check valve assembly regulating the fluid flow between the fluid reservoir and filter cartridge chamber is actuated by a valve actuating member movable through and controllable exteriorly of a...
|
|
|
4348280 |
Proportioning dialysis machine
An improved proportioning dialysis machine is disclosed herein. The machine includes an improved degassing system, dialysis solution flow rate and pressure control system, and sterilization system....
|
|
|
4343353 |
Automobile radiator filter
The invention relates to method and apparatus for filtering engine coolant flowing in the cooling system of an automotive internal combustion engine. The method consists of constraining engine...
|
|
|
4341643 |
Settling tanks for waste disposal
A settling tank having a lower contoured surface on which particulate matter, solids and sludge settle and means for flowing a fluid stream utilizing the Coanda effect for sweeping the settled...
|
|
|
4336134 |
Float-actuated level control valve
A float-actuated, level control valve especially suited for controlling liquid flow into and out of brine tanks of water softening systems. A magnet-operated ball check inside a flow chamber...
|
|
|
4322290 |
Filter assembly
A filter assembly with an inner housing and filter element mounted within an outer housing, and with first and second poppets carried on a shaft in said inner housing forming first and second...
|
|
|
4320000 |
Bidirectional flow filter-drier
A filter-drier unit adapted for bidirectional flow in heat pump systems. This filter-drier unit includes a shell having opposed flow ports. Spaced partitions in the shell provide a compartment...
|
|
|
4320001 |
Liquid filter having refined vent valve
A device for filtering a liquid, provided with a chamber for the circulation of liquid, divided into at least two compartments by a filtering-unit mounted across the liquid path. That device...
|
|
|
4318809 |
Bi-directional filter/drier having magnetically biased flapper valves
A bi-directional filter/drier for use in a heat pump refrigerant system or the like. The filter/drier includes a cylindric filter/drier element fitted within a housing and having an axial bore...
|
|
|
4317721 |
Inside flow filter
Continuously operating inside flow filter for placement within a pressure tank, comprising one or several filter cartridges filled with a filtering mass and an alkalizing mass placed around a...
|
|
|
4316801 |
Filter assembly with jacked filter cannister
A filter assembly is provided having a filter bowl assembly attached to a filter head in a manner that allows jacking of a filter cannister into and away from sealing engagement with the head,...
|
|
|
4313827 |
Enhanced disinfection system
A disinfectant system for intermingling a disinfectant with an effluent to be treated, such as wastewater, to kill pathogens therein, the system enhancing contact between the effluent and the...
|
|
|
4311587 |
Filter arrangement denying bacteria entry to peritoneum
A filter connection for peritoneal dialysis is presented including, in a flow line from a source of fresh dialysate solution carried on the patient's body, and under pressure, through a bacteria...
|
|
|
4308144 |
Prevention of flow reversal in vertical waste treatment apparatus
In a long vertical shaft sewage circulation waste treatment process where influent waste is introduced into the shaft through a downcomer conduit, an improvement is provided whereby the downcomer...
|
|
|
4303514 |
Filter device
The present invention relates to a filtering device for filtering a fluid flowing through the filtering device particularly for use in fluid systems requiring a continuous supply of filtered fluid....
|
|
|
4298468 |
Fluid treating apparatus
A fluid treating apparatus and method are provided which employ finely subdivided surface active particles arranged in loose bed form and confined within a treating tank by means which prevent the...
|
|
|
4287917 |
Diaphragm device for damping vibrations in flowing liquids
For the damping of high-frequency vibrations in liquids under high pressure in conduit systems there serves a diaphragm (2) loaded by a spring (3) and surrounded on all sides by the liquid of the...
|
|
|
4277333 |
Portable water filtration system
A portable water filtration system adapted to be carried by backpackers includes a pump, a filter mechanism and a storage compartment adjacent and laterally displaced from the pump, the physical...
|
|
|
4277332 |
Water purifier
A water purifier having its principal utility in medical, biological and chemical laboratories comprising a housing having a water inlet and three water outlets and containing a charcoal layer...
|
|
|
4276163 |
Hydrostatic relief valve
Apparatus is disclosed for preventing the buildup of excessive water pressure underneath a water tank, tub or spa which is placed in the ground while at the same time preventing the inflow of waste...
|
|
|
4259097 |
Filtering means for arc suppressing gas system
Arc suppressing gas in a high voltage circuit breaker system is collected, filtered and compressed. The compressed gas is passed through a series of oil and desiccant filters and returned to a high...
|
|
|
4253501 |
Transfer system
A transfer device for withdrawal of aliquots from a container of bulk solution is provided with a body having a tapered chamber, a first passage venting the smaller end of the chamber to the...
|
|
|
4251365 |
Low energy gas transfer system
Liquid is collected and gasified within the same pressure sealed chamber from which it is displaced. The liquid is gasified toward saturation under a high pressure for a limited time by...
|
|
|
4210532 |
Water conditioner rotary valve structure
A combined closure and rotary water valve assembly provided for closing the open upper end of a water softener mineral tank to be used in conjunction with a brine water tank including a float valve...
|
|
|
4210533 |
Remote control valve for reverse osmosis water purifier
A remote control valve which regulates a reverse osmosis water purifier with only fluid connections between the control valve and the water purifier, no mechanical, electrical, or other such...
|
|
|
4209401 |
Filter drier
A filter drier finding application in a refrigeration system, for example, includes a tubular housing having improved fluid flow characteristics within the filtering media of the filter drier. The...
|
|
|
4193868 |
Ion exchange method and apparatus
An ion exchange apparatus having a plurality of channels or manifolds used for liquid distribution and collection purposes within an end of a container adjacent to an ion exchange resin bed can be...
|
|
|
4192751 |
Bi-directional filter drier
A bi-directional filter drier is provided for reverse flow applications as encountered, for example, in heat pump systems. The filter drier includes a shell defining a chamber, the shell having an...
|
|
|
4189385 |
Method and apparatus for separating serum or plasma from the formed elements of the blood
A separator tube for insertion into a collection tube comprises a tubular member having one end closed by a plug. The plug comprises a valve seating portion having a valve opening therein and a...
|
|
|
4179368 |
G-factor compensated hydraulic flocculation system
A hydraulic flocculation system having a first stage tank receiving a liquid through an elbow conduit having an upwardly directed outlet. Liquid from the first stage tank flows into a pair of...
|