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Document |
Document Title |
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3904521 |
Method and apparatus for purification
A method and apparatus are provided for purifying flowing water containing waste utilizing ozone wherein the water is propelled into an ozone containing atmosphere in the form of droplets and to...
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3856671 |
CLOSED-LOOP OZONE GENERATING AND CONTACTING SYSTEM
By this system, water can be treated with ozone and/or oxygen in a closed-loop cycle, thus conserving the high oxygen content gas. The system comprises as a principal feature a pressure-swing...
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3853760 |
SEWAGE OZONIZING UNIT
A sewage ozonizing unit for the disposal of waste sewage from a small installation such as a service station includes a primary settling zone receiving the sewage and separating raw sludge from...
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3841250 |
ELECTRICAL CHLORINATOR
An electrolytic chlorinator and a ship embodying the chlorinator. The chlorinator is suitable for fixing in a sea-water conduit without requiring a special recess and has elongate channels defined...
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3822017 |
CHLORINATION UNIT
An electrical chlorination unit for water having scrapers to mechanically remove white calcium growths or the like from cathodes in the cell by relative movement between cathodes and scrapers, and...
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3784008 |
OZONATING APPARATUS FOR DRINKING WATER
With this apparatus ozone gas is automatically applied to contaminated water in a contact tank, and is then transferred to a discharge tank in such manner that contaminated water cannot...
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3756410 |
SEWAGE DISPOSAL EFFLUENT PURIFIER
Liquid sewage, which preferably has been subjected to a primary sewage treatment phase to minimize its turbidity, is fed to a contact tank where it passes through a porous filter that removes any...
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3726404 |
BATCH OZONATORS FOR DRINKING WATER
Each ozonating unit comprises a contact tank containing a diffuser, an ozone generator for supplying ozone gas to the diffuser, a storage tank or reservoir removably mounted adjacent the contact...
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3699776 |
OZONE PURIFIER FOR PRESSURIZED WATER COOLER
Drinking water under pressure is fed automatically, when necessary, through a float valve into a sealed contact tank, which has an air space in its upper end. An electrically controlled ozone...
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3692180 |
COUNTERTOP WATER PURIFIER
A small ozone generator (e.g., approximately 1 gr/hr.) is mounted in a portable base or stand together with a small air pump and transformer, which are controlled by a manually operable timer. A...
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3669857 |
ELECTROLYTIC CHLORINATION AND pH CONTROL OF WATER
A swimming pool water sterilizer and the method involved in the operation are disclosed employing a two electrode compartment electrolytic cell with said compartments being separated by a cation...
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3561735 |
FLUID-BELL-SHEET FORMING APPARATUS
Fluid bell sheet forming apparatus incorporating a fluid delivery conduit provided with at least four flow straightening transverse screens, directing the stream of fluid issuing therefrom against...
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3550782 |
WATER STERILIZER APPARATUS
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3551091 |
COMBINATION WATER FILTER AND STERILIZER
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3549528 |
OZONE STERILIZATION PROCESS
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3547801 |
WATER MANAGEMENT SYSTEM AND AN ELECTROLYTIC CELL THEREFOR
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3547800 |
APPARATUS AND METHOD FOR PURIFYING WASTE WATERS
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3546089 |
APPARATUS FOR THE CONTINUOUS ELECTROLYTIC PRODUCTION OF CHLORINE FOR THE STERILIZATION OF WATER
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3544442 |
APPARATUS FOR PRODUCING AND DISPENSING SODIUM HYPOCHLORITE
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3543936 |
APPARATUS FOR EFFLUENT TREATMENT
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3510265 |
WASTEWATER TREATMENT APPARATUS INCORPORATING ACTIVATED CARBON BED AND REGENERATOR THEREFOR
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3510001 |
FLOTATION CHAMBER FOR CLEANING SEWAGE AND THE LIKE
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3481857 |
APPARATUS FOR CHLORINATING WATER
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3458414 |
SWIMMING POOL WATER CONDITIONER
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3448045 |
WATER TREATMENT WITH OZONE
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3445001 |
WATER PURIFIER
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3428559 |
APPARATUS AND METHOD FOR TREATING SWIMMING POOL WATER
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3421999 |
OZONE GENERATOR FOR PURIFYING A CONTAMINATED FLUID SYSTEM
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3421625 |
APPARATUS FOR REMOVING IRON FROM WATER
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3383309 |
Anaerobic sludge digestion
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3382980 |
Ozone water treatment plant
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3379633 |
Electric and ion generator
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3366459 |
Water chlorinating unit
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3356460 |
Liquid treatment apparatus
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3344061 |
Electrochemical method and apparatus for producing activated gases for the treatmentof sewage
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3335865 |
System for sewage treatment
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3311239 |
Aerobic waste treatment system
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3274094 |
Apparatus for the chlorination of water
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3223242 |
Water treating device and electrolytic cells for use therewith
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3210262 |
Apparatus for the hypochlorination of water
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3208935 |
Water recarbonating method and apparatus
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3192156 |
Removal of hydrogen sulfide from water
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3129162 |
Water conditioning system and metering device therefor
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3118833 |
Plant and process for water purification
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3061541 |
Water treatment
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3059777 |
Apparatus for the separation of metallic ions by the use of an ion exchange resin
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3048274 |
Metering valve
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3024185 |
Ozone generator and system
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2984463 |
System for disinfecting water
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2970821 |
Ozonizing installation
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