|
Match
|
Document |
Document Title |
|
|
5049264 |
Process and apparatus for continuously removing contaminants from edible cooking oil
In accordance with the present invention a process and apparatus for removing contaminates from edible cooking oil is provided. A continuous stream of cooking oil at an elevated temperature is...
|
|
|
5045188 |
Recirculating toilet water system with self-purging valve operable by a restoring spring
A recirculating toilet water system includes: a toilet, a main water tank for storing water and receiving waste matters from the toilet, a filtered water supply means for supplying filtered water...
|
|
|
5041215 |
Dialysis unit priming
Dialysis unit with vacuum removal therethrough of priming saline and selective circulation therethrough of dialysate and other fluids. The dialyzer unit includes a drain configured to sealingly...
|
|
|
5039401 |
Blood collection and centrifugal separation device including a valve
A device is disclosed that causes phase separation of whole blood, using much lower centrifugal forces. As a result, lymphocytes are separated from blood cells having specific gravities of 1.08...
|
|
|
5037539 |
Liquid filter with bypass passage
A liquid filter for filtering the lubricating oil of an internal combustion engine includes a bypass passage permitting liquid to flow from the outlet to the inlet in a direction opposite to normal...
|
|
|
5036882 |
Valve assembly for decanter for wastewater treatment facility
A pressure responsive valve assembly for use in a decanting apparatus for a wastewater treatment reactor. The valve assembly includes a cylindrical valve plate, a valve member support structure, a...
|
|
|
5032292 |
Method for preventing biofilm in spas
A method for preventing stagnation and biofilm formation in the jet pump circuit of a spa, therapy pool or bath employing separate pumps or plumbing circuits for circulation and for pressure...
|
|
|
5030363 |
Oil retriever with interchangeable collection tanks and method of use therefor
An oil retriever for recovering heavy oil, including bunker c, from a body of water is a self-contained unit that is maneuverable independently of land. The retriever has two pontoons that are...
|
|
|
5024757 |
Apparatus for removing ice from a chopped or cut hole
An apparatus for removing the ice chips which are formed when a hole is cut through the ice covering of a body of water, which ice chips are suspended in the water filling the hole, includes a...
|
|
|
5019251 |
Filter apparatus with a spring loaded safety valve plate
The invention relates to a filter apparatus for filtering oil in particular. The object is to provide a filter apparatus reliable in operation and simple in construction. A spring-loaded (22) valve...
|
|
|
5019276 |
Method of and plant for purifying water
The invention concerns a method of and a plant for purifying water in an open, solid filter bed (17) in which, after the addition of chemicals, the water to be purified is passed through a filter...
|
|
|
5019252 |
Portable water purifier
A portable water-purifying means comprising an oblong pump room containing a hand pump therein and an oblong water-purifying room containing a water-purifying means therein and being equipped on...
|
|
|
5015369 |
Assembly for filtering amniotic fluid
An assembly for the removal and examination of amnioytes in early pregnancy by filtering the amniotic fluid and returning the fluid to the fetus subsequent to filtering wherein a conduit structure...
|
|
|
5011598 |
Domestic lead purging system for treating stagnated water
A system for removing lead from a stagnated domestic hot and cold water system having fixtures and faucets is disclosed. Cold water pipes containing cold water are connected to the fixtures. Hot...
|
|
|
5009777 |
Reverse osmosis and hot water system
A water system comprising a hot water system, including a hot water heater and a conduit coupled to feedwater under pressure for conducting water to and from the hot water heater. An injector pump...
|
|
|
5006235 |
Barrier flange filter assembly including cover
The disclosure describes a filter assembly comprising a housing, a cover, a barrier flange, a flow tube, and a filter unit. The housing has an opening and the cover is detachably and sealingly...
|
|
|
5006234 |
Reverse osmosis water purification systems
A reverse osmosis water purification system has a feed water line and outlets for reject and product water. Instead of wasting the reject water by allowing it to flow to a drain, the reject water...
|
|
|
5004536 |
Water reclamation apparatus
A water reclamation apparatus for recycling water in a system including a reclamation tank for holding water to be recycled, a first conduit for conveying water to the reclamation tank, a second...
|
|
|
5002662 |
Check valve
An improved liquid flow check valve using a ball and seat wherein the seat is made of sintered ceramic. The improved valve will operate in an environment of acetonitrile and water without sticking...
|
|
|
4997554 |
Temporary anti-drainback valve opener for an oil filter assembly
An oil filter for an internal combustion engine lubrication system has an anti-drainback valve that is temporarily held open with a quantity of special grease during the initial filling of the...
|
|
|
4992166 |
Plastic fluid filter and method for manufacturing same
A fluid filter and methods for manufacturing same are described. The fluid filter includes: a filter element; a plastic housing for the filter element; and a plastic closure member including fluid...
|
|
|
4990248 |
Reverse osmosis apparatus
A water filter cartridge includes a reverse osmosis membrane permeator spirally wound on a central winding tube and surrounded by an impermeable barrier layer which is, in turn, surrounded by a...
|
|
|
4986903 |
Induced static single flotation cell
The invention relates to an apparatus for removal of suspended matter from a liquid, such as used for treatment of oil containing water. A cylindrical horizontal vessel is divided into a single...
|
|
|
4975185 |
Portable water purification system
A portable water purification system (10) includes a portable reservoir (12) for containing a contaminated water supply (14) and a separator module (48) for separating water and water soluble...
|
|
|
4975184 |
Horizontal removable pump for filtration systems
The filtration system includes a tank and a pump for suctioning clean filtrate from the tank and pumping filtrate into a discharge manifold. The pump includes a suction inlet port, an impeller and...
|
|
|
4973402 |
Flow restrictor and strainer assembly for a toilet tank fill valve and the like
A fluid flow fill valve (10) has an elongated strainer member (40) with a plurality of axially extending flanges (44) each having alternating notches (48) and comb-like elements (46) which abut a...
|
|
|
4971689 |
Reverse osmosis water purification system with improved pressure relief value
An improved pressure relief valve is provided in a reverse osmosis water purification system to prevent the pressure of produced purified water from exceeding a predetermined pressure limit. In the...
|
|
|
4956081 |
Fuel filter with diaphragm pump
A fuel conditioner unit for an internal combustion engine, having a priming pump in which the pump diaphragm member also functions as the pump manual actuating surface. The diaphragm is mounted to...
|
|
|
4954252 |
Biflow filter drier
A biflow filter drier has a pair of flapper-type check valve assemblies for directing fluid flow unidirectionally through a centrally supported molded desiccant core. Each check valve assembly is a...
|
|
|
4944101 |
Apparatus and method for recovering materials from fluid bodies
Disclosed is an apparatus and a related method for removing sand, trash and other materials from a spa, pool, aquarium or other fluid bodies and which includes a hollow, generally tubular member...
|
|
|
4936981 |
Tank aquarium filter
An aquarium filter system is provided that includes a base plate filter assembly that will clean out waste from fish and excess food from bottom of the tank to a pair of external filters so that...
|
|
|
4935126 |
Filtering apparatus
A fluid filter comprising a housing defining a fluid inlet and a fluid outlet, a filter element defining an upstream surface communicating with the fluid inlet and a downstream cylindrical surface...
|
|
|
4935127 |
Pressure relief valve assembly with plastic, one-piece valve
A pressure relief valve assembly is described including a valve body having a sleeve portion, a slotted portion and axial extension legs, all of which are integrally formed as one-piece by...
|
|
|
4935128 |
Motorcycle engine lubricating oil filter apparatus
An oil filtering apparatus includes a check valve at the bottom of and within a cylindrical porous filter unit, to pass oil directly into an oil tank in case of clogging of the filter unit or...
|
|
|
4923612 |
Fluid recovery and transfer system
A fluid recovery and transfer system utilizes hydraulic pressure on a plurality of collapsible containers to effect the alternate intake and output of a fluid from the collapsible containers. The...
|
|
|
4923602 |
Bi-directional flow filter
A bi-directional flow filter including a block having first and second peripheral ports with a forward line of flow through the block from the first peripheral port to the second peripheral port...
|
|
|
4921598 |
Selector valve, especially a central control valve for a water treatment device
A central control valve arrangement for a water treatment system. The central control valve arrangement includes two independently positionable four-way ball valves and at least one of the balls of...
|
|
|
4909932 |
Device for filtration of liquids, including detachable cover and detachable closure
A liquid filtration device includes a tubular container having an end wall at one end with an emptying orifice therein and a detachable cover closing the opposite end. A filling orifice is disposed...
|
|
|
4909934 |
Water purification system
"A water purification system has a reverse osmosis filtration unit which receives feed water from a feed water valve and separates it into product water and waste water. A reservoir has a movable...
|
|
|
4908127 |
Device for the collection of various substances present in a liquid
Devices enabling to collect substances dispersed in a liquid or floating on the surface of a liquid. The device may be configured as a floating barrier, for example a boat or a buoy. It comprises...
|
|
|
4885082 |
Multiple lubricating oil filter for internal combustion engines, with a member for monitoring the degree of clogging of the filtration surface
The filter according to the invention comprises an outer casing which is provided with an end cover having a connection to the engine lubrication circuit. The outer casing houses a first filter...
|
|
|
4882061 |
Filter apparatus
A filter apparatus for a home reverse osmosis water system is provided. The apparatus has a head, which has a forward flow inlet port for connection to a reverse osmosis water unit, and which has a...
|
|
|
4876001 |
Apparatus for use with a pool cleaner
Apparatus for use with a swimming pool cleaner which includes a housing which defines a chamber, at least one inlet to the chamber and an outlet from the chamber, and a bouyant ball inside the...
|
|
|
4876002 |
Reverse osmosis water purificaiton unit
A domestic reverse osmosis water purification system utilizing few parts in the controller valve mechanism enhances reliability and economic feasibility. All surfaces of the controller valve...
|
|
|
4872976 |
Oil filter with multiple function valve
An elastomeric valve member coacts with a valve seat and an apertured plate to control the flow of oil between the inlet and outlet of an oil filter for an internal combustion engine. When the...
|
|
|
4871449 |
Clarifier and screw compactor liquid-solid separator
Discloses transportable liquid clarifying and screw conveyor/compactor liquid-solid separator apparatus which includes a pressureable clarifier vessel portably mounted on a base with a top and...
|
|
|
4863593 |
Battery powered vacuum unit
Battery powered vacuum unit, useful for suction filtration of water samples in the field. The vacuum unit comprises a miniature piston type air suction pump, driven by a small direct current (DC)...
|
|
|
4861466 |
Pressure filter assembly with bleed valve
A pressure filter assembly having a bleed valve assembly for releasing trapped gas from with the filter chamber in a controlled manner. The bleed valve assembly includes a stem secured to the...
|
|
|
4859320 |
Leak-proof water processing unit
The present invention comprises a reverse osmosis water purifying unit in which all the components of the unit are housed in a protective enclosure. In one form the protective enclosure is a water...
|
|
|
4853117 |
Purified water supply system
An improved purified water supply system is provided of the type including a reverse osmosis unit for producing relatively pure water from ordinary tap water or the like. The reverse osmosis unit...
|