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3872007 |
CONTAINER FOR PLURALITY OF IMMISCIBLE LIQUIDS
A container or reservoir is provided having a solvent-sensitive liner extending over its wall and bottom. Near the top the liner coacts with a wall or walls resistant to the solvent, said wall or...
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3860526 |
SOLID BLOCK FLOCCULENT WITH CONTROLLED RELEASE RATE
A solid flocculant comprises a polymeric flocculant and a water soluble fixing agent mixed together and formed into a solid e.g. a block with the addition of water. The solid flocculant is placed...
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3856678 |
SELF-RECONDITIONING FILTER APPARATUS FOR CONTINUOUS REMOVAL OF SOLIDS FROM A STREAM OF LIQUID
For filtration of solids from a liquid flowing through a channel of given width and depth, a filter medium is in the form of an endless belt extends over first, second and, if desired, third pairs...
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3855367 |
VENTURI ANTI-SILTATION SYSTEM
An anti-siltation system wherein a plurality of anti-siltation columns are disposed at spaced locations in a body of water. Each of the anti-siltation columns generally comprises a vertically...
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3847722 |
IMPREGNATED MATERIALS FOR LEAK PREVENTION
A permeable, deformable substrate impregnated with an isocyanat-terminated, hydrophilic urethane prepolymer is used to stop water leaks in small holes or crevices by positioning the impregnated...
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3815367 |
FLOATING RESERVOIR COVER
Floating cover assembly having diaphragm which lies directly on surface of body of liquid. Edges of diaphragm extend beyond edge of liquid and have stiffening members which are resiliently secured...
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3812871 |
HYDRAULIC INSTALLATION
An hydraulic installation incorporating two underground conduits one end of which commences at a point above and overlapping an end of the other conduit and at least one vertical discharge valve...
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3807806 |
HYDRAULIC FLUID CONVEYOR
An installation for conveying paying fares, lading, or goods from an entering station to a stopping place along a route, said installation comprising: A trough shaped waterway in which boats are...
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3799349 |
APPARATUS FOR CLEANING MUDDY WATER
A conduit, channel or other passageway forming means is disposed in the bottom of a body of water with perforations in at least a portion of the passageway forming means to enable mud, sediment,...
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3757854 |
HORIZONTAL BOTTOM-FREEZING APPARATUS
A horizontal bottom-freezing cell which operates on the liquid convection inciple wherein loop circulation occurs because of temperature differentials between the upper and lower portion of the...
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3758083 |
WAVE-POWERED AERATOR
A system is disclosed for taking atmospheric air and forcing it to the bottom of a large body of water, such as a lake, using only the energy available in waves. A number of flexible chambers and...
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3732918 |
BOTTOM-FREEZING APPARATUS
A bottom-freezing cell which operates on the liquid natural convection priple but contains no internal ducting and no insulating dividers. Additional body sections may be connected to the cell to...
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3704008 |
VACUUM PRODUCING MEANS AND METHOD
A vacuum producing method and means to be submerged and secured below the surface of a body of flowing water and comprising a casing with converging axial passage means forming a waterway, and an...
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3683627 |
INDUCED CONTROLLED UPWELLING
Improved means and method for upwelling or raising sub-surface water to the surface of a body of water for manifold purposes. By dissolving air in the water and providing excess air, the water...
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3670813 |
PONTOON STRUCTURES IN MAN-MADE LAKE FOR ARCTIC OPERATIONS
The surface of the ground in the Arctic is unstable due to settling of the permafrost during thawing periods and to uneven heaving when extreme temperature changes occur within the permafrost zone....
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3662918 |
REINFORCED SEPTIC TANK
A septic tank, which may be converted into a grease trap. The tank is preferably made of plastic reinforced with fiber glass and it is further reinforced due to the construction. The tank is light...
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3659712 |
REMOVING DEEP SILT AND MUCK DEPOSITS
A method and apparatus for removing silt, muck and other deposits from a water covered basin whose bottom has been covered with a relatively thick deposit, involving the use of a submerged housing...
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3585802 |
DOCKING AND FENDERING SYSTEM
A docking and fendering system for aiding in the directional guidance and fendering of vessels in channels, wells or along piers. Guidance of the vessel is achieved by hydraulic or pneumatic...
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3540222 |
METHOD OF AERATING STILL BODIES OF WATER
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3517513 |
FRESH-WATER CISTERN
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3503774 |
METHOD OF CLEANING OIL-CONTAMINATED PARTICULATE MATERIALS
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3489396 |
STREAM WATER AERATOR
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3487228 |
POWER GENERATING SYSTEM
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3470700 |
WATER TURBULENCE PRODUCING AIR BUBBLING SYSTEM FOR BOAT DOCKS
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3452966 |
LIQUID TREATMENT APPARATUS AND METHOD
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3446571 |
METHOD OF IMPREGNATING POROUS INERT BODIES,PROLONGING WATER EVAPORATION OF LAND SURFACED WATER BODIES THEREWITH,AND PRODUCTS THEREFOR
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3432454 |
VISCOUS AQUEOUS COMPOSITIONS COMPRISING A POLYMER CONTAINING N-VINYL MORPHOLINONE AND A POLYMER CONTAINING SULFO OR CARBOXYL GROUPS OR THEIR SALTS
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3425175 |
HYDROSTATICALLY PRESSURIZED BUILDING FOUNDATION
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3397172 |
Process for the preparation of polyacrolein gels and process for improving the properties and sealing of soils, soil formations, structures, structural elements and structural materials
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3391987 |
Composition and method for retarding evaporation
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3365178 |
Apparatus for agitating and aerating exposed bodies of water
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3353610 |
Liquid film maintaining apparatus
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3341319 |
Viscous aqueous preparations
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3336206 |
Water collecting apparatus having a synthetic resin roof treated with an oxidizing agent
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3320928 |
Apparatus and methods for aerating a body of water
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3320160 |
Method and apparatus for aerating a body of liquid
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3289415 |
Method and apparatus for transporting potable water to relatively arid areas
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3235234 |
Apparatus for aerating water
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3235877 |
Aerating device
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3234123 |
Method of and means for treating bodies of water
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3230655 |
Fishing device
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3227429 |
Mass transfer packing
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3193260 |
Apparatus for aerating and eliminating ice on water
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3192898 |
Limnological process
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3192133 |
Devices for solar distillation
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3151463 |
Method and apparatus for controlling aquatic weed growth
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3061276 |
River water temperature control system
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3026096 |
Methods for controlling underground water
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2945465 |
Crude oil storage and loading dock
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2838196 |
Device to obtain access to ice bound water supply
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