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5480541 Extruder apparatus for isolating solids from fluids  
A novel apparatus for isolating solids, slurries or wetcakes from fluids is disclosed. Said novel apparatus comprises an extruder having a dynamic seal and a barrel comprising an auger and a...
5470484 Method and apparatus for controlling the feed of water treatment chemicals using a voltammetric sensor  
A method for controlling the chemical treatment of a solution comprises the steps of feeding a treatment chemical into the solution, applying an external voltage across a reference electrode and a...
5470462 Apparatus for preventing scale formation in water systems  
Water conditioning apparatus including a housing adapted for connection into a fluid delivery system, the housing having a fluid flow chamber with aligned entrance and exit openings, the chamber...
5460726 Pillow discharge apparatus for minimizing oil discharge from ruptured oil tanks  
An oil holding tank has an open upper end and a vertical container containing pillows when immersed in oil will rapidly adsorb oil and exhibit a composite density denser than oil and less dense...
5458768 Lime addition system for water treatment  
A system for the preparation of a lime slurry and metering of the slurry, which prevents scaling and plugging of equipment and piping. The elimination of scaling and ease nof metering are achieved...
5453187 Food, oil and grease accumulation apparatus and method  
An improved food, oil and grease accumulating apparatus and method of use is disclosed. The improved apparatus includes a pump station to discharge contaminated effluent at a higher flow rate at...
5449466 Apparatus and method for photocatalytic treatment of a fluid  
An apparatus is disclosed for the photocatalytic treatment of a fluid, including inlet means for supplying fluid to the apparatus; exposing means for exposing the fluid to ultraviolet light; and...
5447641 Poultry water chlorinator and method of using same  
A water distribution system is provided having a flow rate in the range of approximately 10 to 30 psi. A chlorinator is provided in line with the water distribution system to dispense a chlorine...
5437785 Apparatus for dissolved gas flotation in anaerobic wastewater treatment  
An apparatus for gas entrainment of wastewater in an anaerobic wastewater treatment system, the use of which includes the steps of withdrawing wastewater from an anaerobic digester and piping it...
5433867 Environmentally friendly chlorine or bromine dispenser  
This invention discloses a device that provides the most effective means or method of dispensing a strong stabilized such as Chlorine or Bromine in the form of tablets, stick or granules to...
5419834 Precipitating agent for the precipitation of heavy metals  
A precipitating agent containing thioacetamide is described for the precipitating of heavy metals from flue gases and waste waters, it containing thioacetamide (C 2 H 5 SN) in a 1-20% aqueous...
5413768 Fluid decontamination apparatus having protected window  
An ultraviolet radiation exposure fluid decontamination apparatus is provided which includes a container made of high tensile strength material through which the fluid to be treated flows, a high...
5409604 Closure for a wastewater treatment mechanism  
A wastewater treatment system includes inner and outer relatively telescopic units, the outer telescopic unit including an outer container having a bottom wall and a peripheral wall collectively...
5407567 Compartmentalized swimming pool chemical dispenser  
A swimming pool treatment device for simultaneous introduction of at least two separately stored chemicals into the water of a swimming pool has an enclosed, selectively openable first hollow body...
5403473 Apparatus for mixing gases and liquids and separating solids using a vortex  
A generally columnar chamber for uniformly mixing a gas, such as ozone, into a liquid, such as water. The mixing chamber is assembled from a series of round tray sections each having an outer and...
5389345 Swimming pool accessories  
A water treatment pill is disclosed having a cylindrical periphery and disklike end faces and comprising material that in use is eroded to treat the water. The cylindrical periphery of the pill is...
5385667 Apparatus for the purification of shower water  
An apparatus for the purification of shower water by the intimate contact with finely divided metal comprising copper and zinc. This apparatus causes turbulence of the water in contact with the...
5350509 Deep water disbursement tube  
A water treatment device which is attached to the feed hose immediately above or behind deep water pool cleaner. Includes a cylindrical body that is slotted on either side within which a water...
5346625 Flammable neutralizing system and packet  
A system for neutralizing petroleum products leaked into an enclosed portion of a fuel transfer system such as a sump. The system comprises the use of a water insoluble container having a quantity...
5342510 Water control system using oxidation reduction potential sensing  
An automatic control system for maintaining the quality of water in a cooling tower utilizes a probe (38) which senses the oxygen reduction potential (ORP) of a soap having a 1:1 stoichiometric...
5340473 Gas/liquid mixing apparatus  
An apparatus for mixing pressurized air with pressurized waste liquor at the inlet of a wet oxidation system heat exchanger device is disclosed. The apparatus is a T-shaped piping member with an...
5340468 System for controlling addition of lime to reduce water alkalinity  
A system for regulating the addition of lime to reduce water alkalinity includes two sensors for measuring the conductivity of the water prior to and after addition of lime, a pump for adding lime...
5320748 Acid dispensing system for a swimming pool  
An acid dispensing system and method of dispensing swimming pool acid into a water circulation system of a swimming pool. The acid dispensing system includes a unique normally closed valve having...
5316673 Spout assembly for self-service purified water dispenser  
An improved dispensing spout assembly and method for self-service dispensing of purified water is described for reducing the possibility of contamination. An overlapping pair of enclosures house an...
5308507 Method and apparatus for removing organic contaminants  
A method and apparatus for destroying organic compounds is described. The apparatus utilizes a mixture of oxidants to "burn" the organic compound. The oxidants can be generated in a separate...
5302356 Ultrapure water treatment system  
An ultrapure water treatment system is provided by the present invention. e system comprises a housing, a water supply means including a water inlet and a water outlet communicating with the...
5298173 Method of neutralizing acidified surface water  
Blocks, weighing about 35 lbs., formed of a homogeneous mixture of about 75% gypsum and 25% lime, are strategically placed in surface water that is being damaged by acid rain, where, by timed...
5290439 Device for purifying a flow of liquid by means of ultraviolet radiation  
The device for purifying a flow of liquid by means of ultraviolet radiation, includes an elongated ultraviolet lamp; a generally tubular inner casing surrounding substantially the lamp, the casing...
5286375 Oil recoery apparatus  
Pumping apparatus pumps an oil water mixture from a body of water containing oil. A first sample stream is taken from the oil water mixture. The oil/water mixture is then stratified to provide an...
5286377 Evaporative cooler water treatment device  
A water treatment device f or use with evaporative coolers provides treatment of the water supply for such coolers. The device may be installed in series with the cooler in the water supply line...
5270005 Extracorporeal blood oxygenation system incorporating integrated reservoir-membrane oxygenerator-heat exchanger and pump assembly  
An extracorporeal blood oxygenation system comprising an integral blood processing unit having a blood reservoir/oxygenator/heat exchanger/pump and pump motor and a remote control console...
5254264 Method of dispensing a substance into a flow of water  
A method of dispensing scaling inhibitors into a flow of low pressure water by modifying the use of available air lubricators. Mechanical modifications to an air lubricator results in an apparatus...
5246590 Water treatment to reduce fog levels controlled with streaming current detector  
A system is disclosed for controlling the amount of treatment composition, e.g., cationic coagulant, to be introduced into an aqueous medium, e.g., a laundry waste water, having a content of...
5227071 Method and apparatus for processing oily wastewater  
A five stage treatment system for treating oily wastewater to fit it for discharge to surface waters comprising a coalescer for separating free oil, an ultrafiltration unit for separating...
5227067 Apparatus for improving irrigation or cleaning water and method for its use  
A method and apparatus are described for improving the aerobic and nutrient quality of a body of water in a reservoir which contains undesirable dissolved salts and harmful microorganisms, by...
5225074 Automatic swimming pool chlorinator  
An automatic swimming pool chlorinator having a submersible canister for receiving and containing chlorine tablets or sticks. The canister, at its upper end, is provided with a separable lid which...
5221480 Method and apparatus to detoxify aqueous based hazardous waste  
A process and apparatus is provided in which aqueous based wastes are processed to remove solids, decant phase separated product, optimize chemically for solvent specific extraction, remove toxic...
5213694 Water treatment control system for treating cooling tower makeup water  
An apparatus and method for controlling the amount and concentration of make-up water and chemicals introduce into the recirculating water of a cooling tower system. A float operated make-up valve...
5202016 Streaming current detector with head-creating passageway and fluid treatment system using same  
A device for detecting and monitoring the charge condition of finely divided solid charged particles in a fluid-flow is so devised as to accept the continuous and full volumetric flow of the fluid...
5194157 Blood purifying equipment particularly for the treatment of patients suffering from renal insufficiency, and a method of producing a reinfusion liquid for haemodiafiltration (HDF)  
Blood to be purified is passed through a haemofiltration element and a haemodialysis element in cascade and the ultrafiltrate output from the haemofiltration element is passed through a filter such...
5192431 Forklift manipulable, lined, dissolver for transporting and feeding chemicals for water purification  
A chemical feed-transport unit for transporting water-treating chemicals and introducing them into a water supply comprises a cylindrical tank with semispherical top and bottom supported on a metal...
5186844 Apparatus and method for continuous centrifugal blood cell separation  
An analytical rotor for separating cellular components from a biological fluid includes a separation chamber spaced radially outward from a sample chamber. The sample chamber may be an open...
5174905 Apparatus and method for treating water with ozone  
An apparatus and method for treating water with ozone. An outer conduit forms a continuous, vertical loop. A pump is connected to the bottom of the loop and pumps water about the loop from the...
5173193 Centrifugal rotor having flow partition  
The present invention provides a centrifugal rotor which measures and delivers a predetermined volume of fluid to a receiving chamber in the rotor. The rotor comprises a bulk fluid chamber...
5160439 System for controlling coagulant treatment based on monitoring of plural parameters  
A system is disclosed for controlling the amount of treatment composition, e.g., cationic coagulant, to be introduced into an aqueous medium, e.g., a laundry waste water, having a content of fats,...
5156823 Device for and method of treating waste liquid  
A waste liquid treating device is provided above a waste container or in the upper portion thereof with a container, suspender or the like for holding a waste liquid treating chemical agent. The...
5143020 Pond fertilizing apparatus  
An apparatus for dispensing a fertilizer in a pond which includes a floatation structure that has a receiver positioned therebelow. A funnel shaped opening is provided in the floatation structure...
5122284 Apparatus and method for optically analyzing biological fluids  
A centrifugal rotor comprising a plurality of peripheral cuvettes and a collection chamber spaced radially inward from the cuvettes is disclosed. The rotor includes a means for introducing fluid...
5118428 Method to remove red blood cells from whole blood samples  
Red Blood Cells (RBC's) are removed from whole blood samples by contacting the whole blood sample with a solution containing an acid selected from the group consisting of acetic acid, citric acid,...
RE33924 Apparatus and method for storing and processing blood  
This disclosure relates to a blood processing and preservation system. Apparatus of the system comprises a primary collection bag, a blood collection tube connected to the bag and adapted to draw a...