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4072613 Ozone reactor for liquids  
An ozone reactor having two elongated chambers mounted coaxially. The outer hamber having closures at each end and the inner chamber being smaller in cross section and being mounted in spaced...
4059522 Apparatus for purifying water  
Apparatus for purifying water comprising a fitting for installation in a water line to define a primary water flow path. A Venturi tube is mounted in the fitting and positioned in the primary water...
4032448 Sealed sewage ejector assembly  
Conventional sewage ejector systems include a standpipe into which effluent may drain and seep into the surrounding soil thus causing pollution problems. This device includes a sewage ejector...
4024991 Imparter to provide silver to water supplies  
An imparter to impart silver to a water system wherein air is drawn into a receiver container when water is withdrawn from the receiver container into a storage container. The water is withdrawn...
4013560 Energy production of wet oxidation systems  
A wet oxidation system comprising a reactor, means supplying liquor and air through preheaters to the reactor, means for cooling the oxidized products from the reactor to substantially less than...
3974071 Water conditioning device  
A water conditioning device for conditioning the cold water supply to a beverage vending machine. The device uses a spirally twisted strip of corrosion and lime scale inhibiting copper-nickel alloy...
3956130 Filtering apparatus  
An automatic filtering apparatus which provides an aliquot of filtrate of a particular quantity desired is provided. A solid-liquid mixture is introduced to a filter means under positive air...
3939073 Apparatus for deodorizing liquids  
Apparatus for admixing a deodorizing liquid with a bad smelling liquid, comprises a hollow body in the form of a Y lying on its side in a vertical plane, the lower leg of the Y discharging the...
3936382 Fluid eductor  
A fluid eductor for injecting a secondary fluid e.g. air, oxygen, ozone or other reactant fluids into a primary fluid, e.g. oxygen, waste water, depleted water, sewage fluids or other reactant...
3926771 Apparatus for electrosanitizing waste water  
A process for oxidizing and disinfecting waste water comprises providing an alkali metal chloride-containing waste water to a first container wherein it is agitated and macerated and electrolyzing...
3925038 Water degassing device  
A device for degassing water under excess pressure comprising a vessel with at least one nozzle spraying, in operation, water in the form of a screen projecting above the water level in the vessel,...
3918469 Controlling concentration of additive in an evaporative system  
Concentration of an additive in an evaporative system is monitored by measuring the conductivity ratio of the make up water and the blow down water, as one value, separately measuring the flow rate...
3917531 Flow rate feedback control chromatograph  
Apparatus for accurately pumping a chromatograph liquid stream, including a pump, the output of which is taken through a flow transducer for providing flow feedback signals to control circuits...
3901807 High energy electron treatment of water  
The microbiological and chemical activity of water containing microorganisms and other impurities is reduced by irradiating such water with high energy electrons. A device mixes the water with a...
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...
3853616 SEPARATION OF SUSPENDED SOLIDS FROM LIQUIDS  
A process for separating suspended solids from an aqueous sugar-containing liquor, such as sugar liquors, sugar syrups and sugar juices, comprises forming a primary floc in the liquor containing...
3842870 QUICK-DISCONNECT MANIFOLD ASSEMBLY  
A quick-disconnect manifold assembly for a water conditioning or treatment service unit or the like which can be readily adapted from normal treatment flow operation to allow quick and easy removal...
3834124 GAS TRAP DEVICE FOR AN INTRAVENOUS INJECTION  
A gas trap device for an intravenous injection comprises longitudinal extending passageways, an inverted, U-shaped passageway provided between and communicated with the longitudinal extending...
3797646 TWO-INGREDIENT CONTAINER SYSTEM  
A two-ingredient container system. A drum for a main liquid, such as a solvent, has a bunghole at its upper end; a cap for the bunghole has a depending stem with a lower flange. A second...
3794299 CENTRIFUGAL REACTOR  
A centrifugal reactor comprising an enclosure having an inlet for directing a stream of waste reactant tangentially into the enclosure and forming a film moving in a downwardly spiraling path along...
3792979 FLOATING CHEMICAL TREATMENT DEVICE  
A disposable swimming pool chlorinator in the form of a one-piece, blow-molded plastic container having a relatively large upper end portion defining a flotation chamber, a conically tapered...
3754868 DEVICE FOR PREPARATION OF SAMPLE FOR BIOLOGICAL AGENT DETECTOR  
Filter means for removing microscopic particles from a fluid stream and dvering said particle to equipment for detecting biological agents such as vegetative bacteria, spores and viruses, capable...
3746170 LIQUID TREATMENT APPARATUS  
An apparatus for treating a liquid which utilizes a container in which a solid treatment chemical is disposed and which is partially immersed in a reservoir of liquid maintained at a desired level...
3692179 APPARATUS FOR CONDITIONING WATER SUPPLIED TO A WATER HEATER TANK  
The water supply main is connected to the inlet of the water heater by a supply line including a flow control orifice. A branch conduit line is connected to the supply line upstream from the...
3612278 WASTE TREATMENT AND DISPOSAL SYSTEM  
A fluid treatment system in which a peristaltic pump employs concentric tubes to define separate flow paths for the treating agent and the material to be treated. In this manner, a single pump may...
3592342 SEPTIC TANK EFFLUENT CHLORINATOR UNIT  
A chlorinator unit for the effluent of a septic tank in which a flow restrictor in the distributor box maintains a head of effluent and as the head rises a float actuated valve is opened to emit...
3552568 POOL CHLORINATION  
Pool chlorination is effected safely and swiftly by discharging pressurized C1 2 into the pool water recirculation system from a pressure resistant container, suitably having a rupturable closure...
3540590 WASTE TREATMENT APPARATUS  
3531406 METHOD AND APPARATUS FOR THE FAIL-SAFE INTRODUCTION OF A BACTERICIDAL GAS INTO LIQUID SEWAGE  
3522882 WATER CONDITIONER  
3505213 METHOD AND APPARATUS FOR PURIFYING A NATURAL BODY OF WATER  
3493496 PURIFIED WATER SUPPLY APPARATUS AND METHOD  
3462364 METHOD AND APPARATUS FOR OPTIMIZING CHEMICAL TREATMENT  
3456801 APPARATUS FOR FEEDING DRY PARTICULATE CHLORINATING REAGENT INTO A SWIMMING POOL  
3445000 WATER PURIFICATION  
3408295 Apparatus and method for disinfecting or purifying water  
3399133 Method for developing a control signal and flocculating process employing same  
3398831 Filter structure  
3397646 Pulsed metering device  
3386808 Water treating apparatus  
3372807 Filter  
3368683 Pool water treatment system  
3366459 Water chlorinating unit  
3356460 Liquid treatment apparatus  
3332871 Water treatment  
3321083 Radiator water filter  
3283781 Feed valve device having valve flushing means  
3202283 Process and apparatus for separating an ice-liquid mixture  
3196892 Water conditioning and proportioning system  
3190725 Apparatus for the treatment of night soil