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7632399 |
Fluid treatment system and method
A fluid treatment system, includes a pressurizable tank, a compressed air source, and a float disposed inside the tank, the float rising or falling in response to a level of fluid in the tank; and...
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7083717 |
Water purification apparatus
A chlorinator connected to a water system includes a hopper for holding chemical tablets on a perforated bed and an underlying basin. A spray head is supported by the perforated bed and sprays...
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6994782 |
Apparatus for removing phosphorus from waste lagoon effluent
An apparatus and method for removing phosphorus from a wastewater effluent stream from a hog waste lagoon. The wastewater effluent is introduced to the bottom of an inverted cone-shaped continuous...
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6979399 |
Sludge recovery apparatus and method
A paint spray booth sludge recovery system, apparatus and method is provided for water washed paint spray booths. The spray booths are used with a tank or pit which can accommodate flotation for...
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6551504 |
Valve for a fluid treatment system
A valve in a fluid treatment system adapted for controlling the flow of fluid between a source and a treatment media disposed in a treatment chamber. The valve includes a housing having a fluid...
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6264832 |
Apparatus for the treatment of rain water
An apparatus (18) for receiving rain water from a water collecting means (20) and treating this water according to a treatment cycle. The apparatus has a stop tank (24) to hold incoming water while...
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6129836 |
Two-chamber fluid control valve and water softener incorporating same
A two-chamber fluid control valve for a water softener system is provided. The valve includes a primary chamber having a primary inlet for passage of a primary fluid into the primary chamber and a...
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6126336 |
Apparatus for the complete, continuous separation of a mixture of photopolymers and water with a membrane and filter, for the making of flexible plates useful in printing
An etching device for preparing flexible blocks which can be used for printing in flexography, typography or dry offset generally includes an etching tank containing a bath (22) and brushes (3), a...
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6063295 |
Apparatus and method to increase oxygen levels in livestock drinking water
Apparatus to increase the level of oxygen ingested by livestock by oxygenation of the livestock water supply includes an enclosed tank having a top and having an inlet for admitting water from a...
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5498348 |
Mobile floating surface skimmer
A mobile floating surface skimmer is adapted to float in a body of liquid having debris and/or contaminants at the surface. The skimmer comprises a vessel having an inlet through which liquid from...
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5374352 |
Universal recycled wash water system
A universal recycled wash water plant having a collector tank through which collected wash water and rinse water is channeled to a grease/oil/water separation tank which separates oil and grease...
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5292431 |
Pressurized percolating filter of the type used for the regeneration of water in aquariums
A pressurized percolating filter, of the type used for the regeneration of water in aquariums, comprising, a closed receptacle (1), having: a prefiltering chamber (2), defined by a perforated...
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5271829 |
Treatment system for waste water
A dispenser for introducing treatment material into an interceptor or grease trap for the purpose of digesting the grease or other hazardous materials which is separated from waste water which...
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5147556 |
Thickener
A thickener for liquids or pulps includes a tank in which flocculation takes place. A feedwell for feed liquid is disposed within the tank and has a restricted bottom opening in fluid communication...
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5068030 |
Water filtering sterilizing and heating apparatus
A water filtering, sterilizing and heating apparatus is provided. The apparatus includes filter tank provided with activated carbon therein, to filter bacteria, miscellaneous impurities and odor in...
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5047149 |
Apparatus for the clarification of liquids, such as notably water, fruit juices, grape must or similar
An apparatus for the clarification of liquids, such as notably water, fruit juices, musts such as grape musts, including an enclosure in which is brought the liquid to be clarified after a...
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5019250 |
Automatic chemical dispenser
An automated chemical dispenser for the dispensation of a chemical into a liquid whereby premature contact of the chemical with the liquid's condensate is to be avoided. The device is, for example,...
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4857183 |
Apparatus for purifying and neutralizing residues from furnaces
An apparatus for purifying and neutralizing residues from furnaces burning liquid or gaseous fuels comprising a settling tank having an inlet for the liquid containing the residues, at least one...
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4775466 |
Fuel separator system
A control for draining water accumulated in a fuel tank, without loss of fuel or ingestion of water into an associate fuel system, is responsive to a flotation device weighted to float at the...
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4622134 |
Apparatus for treating sewage
An apparatus for treating sewage is disclosed wherein incoming sewage is in turn put into a balancing tank, an aeration tank and a precipitation tank, settled sludge in the precipitation tank being...
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4492631 |
Centrifugal separator
A centrifugal separator for separating contaminants from contaminated oil has an outer casing and a rotor within that casing mounted for rotation about a vertical axis. Oil under pressure enters...
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4446030 |
Liquid circulation and pressure tanks
Liquid is circulated from bottom to top in a pressure tank by means of a gas pump including an upstanding pipe located within the tank and up through which gas is pumped at a pressure exceeding...
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4445238 |
Swimming pool water level control apparatus
Swimming pool water level control apparatus includes a remote indicator for sensing the water level in a swimming pool and for turning on and off a water flow control valve to provide water for the...
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4351720 |
Water treating apparatus
An apparatus for treating water or other liquid comprises outwardly extending front side walls defining an entrance for water to be treated, intermediate inwardly extending side walls, central...
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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....
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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...
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4176061 |
Apparatus and method for treatment of fluid with ozone
An apparatus and method for treatment of fluid such as water with ozone. The apparatus comprises an ozonator for providing a gas containing ozone and an aspirator which mixes the gas with water to...
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4134834 |
Hemodialysis apparatus
A miniaturized proportioning system for continuously mixing and preparing dialysate in accurate proportions, as may be prescribed by a physician, for simultaneous clinical treatment of a plurality...
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4092242 |
Waste water purification system
Waste water containing synthetic detergents (syndets) such as water soluble sulfonates or ethoxylated alcohols is reclaimed for re-use by emulsifying with a water insoluble, high molecular weight,...
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4067807 |
Process and apparatus for the operation of a filter press having a pressure tank communicating therewith
A process and apparatus for operating a filter press having a sludge feed pump and a pressure tank in communication therewith wherein during filtration a quantity of sludge is withdrawn and stored...
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3966602 |
Process and apparatus for reclaiming and regenerating spent solvent
The invention is directed to process and apparatus for automatically restoring to usefulness spent cleaning and/or drying liquids comprising an aqueous phase and an oil phase, the latter comprising...
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3872004 |
CONTROL UNIT FOR A WATER SOFTENER
A valve control unit for a water softener. The control unit is mounted on the ion exchange resin tank and includes a series of cam operated valves which control the flow of water and brine through...
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3837015 |
WATER LEVEL CONTROL FOR SWIMMING POOL
A valve through which water from a water supply source may be admitted to a swimming pool is located in the throat of the skimmer of the pool beneath a weir pivotally supported at the entrance of...
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3721344 |
APPARATUS FOR TREATING WASTE WATER
Water treating apparatus is disclosed that has a first chamber to receive the waste water, a second chamber having a discharge provided with an overflow inlet and an expansion chamber extending...
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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...
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3448045 |
WATER TREATMENT WITH OZONE
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3356460 |
Liquid treatment apparatus
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3347379 |
Filtration apparatus
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3318449 |
Water re-use system
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3287263 |
Method of and apparatus for controlling addition of reagents to the feed of phase separation vessels
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3279604 |
Liquid flow regulating arrangements
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3220552 |
Automatic regeneration of treating material
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3212268 |
Surface skimmer
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2938630 |
Septic tank with sterilizer
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2812861 |
Means for ozone treatment of liquids
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2809752 |
Swimming pool water level control system
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2809933 |
Biological purification system
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