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4094466 |
Irrigation apparatus
A device for underground drainage and irrigation of soil. The device includes a porous element which can be engaged about a distribution pipe at a perforation or opening in the pipe. In one form,...
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4065926 |
Subterranean irrigation system
An irrigation system employing, in part, a coarse screen or grid of flexible material having internal interconnecting passages for the flow of water or the like therethrough, the grid beng interred...
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4063384 |
Method of and apparatus for washing sod strips, and method of sodding with washed sod strips
A sod piece for sodding a soil area is formed to have the root portion thereof substantially free of soil for facilitated transportation and improved transplanting. The soil-free sod piece may be...
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4060991 |
Sub-surface irrigation method and apparatus
A sub-surface irrigation method and apparatus includes a moisture control unit comprising a vessel having a float control chamber in which is mounted a float responsive valve for controlling the...
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4057968 |
Irrigation gravel guard
An irrigation gravel guard is disclosed comprising a ring shaped support having a substantially conical shaped screen means secured thereto and extending therefrom. One end of the screen means is...
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4053413 |
Apparatus for removing particles from water for sprinklers and the like
A fine mesh, cylindrical screen is mounted on a cylindrical support lengthwise of a ditch and rotated about its axis. The screen is over half submerged, such as leaving 30% of its area above the...
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4047995 |
Hoses for irrigation by dripping and the like and the process to manufacture the same
The present invention refers to hoses for irrigation by dripping and the like and to the manufacturing processes for the same. Thin plastic film produces a hose which in a single unit lies flat...
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4045909 |
HYDROPONIC NUTRIENT FEEDING AND DRAINING SYSTEM
Hydroponic nutrient solution is fed to a growing bed by means of a pump withdrawing liquid nutrient solution from a supply reservoir located below the bed. The nutrient solution is rapidly drained...
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4031009 |
Combined leaching and sump catch-basin
A pre-cast reinforced concrete catch-basin of larger than conventional catch-basin dimensions includes a solid horizontal bottom wall with solid, hollow, cylindrical side wall upstanding therefrom...
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4020639 |
Oval pipe with a flat base
The installation of pipes having oval cross sections is made easier by including an installation portion which has a flat base perpendicular to the major axis of the oval cross section.
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4006473 |
Irrigation signal
A housing having an electrically conductive probe depending therefrom is supported by an electrically conductive shaft which is inserted into the ground. A perceptible signal, carried by the...
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3997112 |
Year round cooling water from the cold weather of winter
Cooling water at 39° F is made available at low cost all year round by erecting towers in farmer's fields and spraying the water in the air around the towers to cool the water during the winter....
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3992886 |
Irrigation gravel guard and clean-out means therefor
An irrigation pipe comprising a first elongated pipe portion, an intermediate pipe portion which extends at an angle from one end of the first pipe portion, and a second pipe portion extending from...
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3982400 |
Distribution valve for irrigation channels
One or more domed valve closure members are operable to open and close ports in the side walls of irrigation channels. Each closure member is cantilevered by a semi-flexible arm from a frame that...
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3968654 |
Underground drain pipe coupling
A coupling for joining lengths of underground drainage pipe without inhibiting the flow of water into or along the pipe.
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3961486 |
Pipe for sticking down drains into the ground
A tube for sticking stripformed drains into the ground has a predetermined fixed profile of rhombic cross section made by pressing two opposite corners of a square tube towards each other.
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3958761 |
Water discharge device for use with irrigation systems
A water discharge device for use with irrigation systems, comprising a tubular element formed with female threads at the inside surface thereof and a screw element formed with male threads at the...
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3951165 |
Irrigation system pivot swivel
A free standing swivel pipe connector for a center pivot irrigation system having a vertical water carrying conduit with pipe elbows attached to the upper and lower ends thereof. The upper portion...
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3950252 |
Upflow filter
An upflow filter adapted to be used with a home sewage treatment plant which includes a container which has a wall extending thereacross to divide the container into first and second filtering...
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3924353 |
Method and apparatus for enriching irrigation water
A method and apparatus for enriching irrigation water. A source of resin is introduced into irrigation water which has been separated from a main channel. Compressed air, enriched with nitrogen, is...
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3917530 |
Method to counteract a clogging of drain pipes
Clogging of underground drain pipe is prevented by provision of tannin dispensing products around the drain pipes in concentrations providing 70-100 grams of tannin per meter length of drain pipe...
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3910051 |
Leaching system cavity of preformed components
Structural components for providing a subsurface cavity over a leach bed for the distribution of liquid effluent in which the component elements are primarily flat roof elements of a rectangular...
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3907679 |
Sewage treatment system including effluent evaporator
Clear effluent from an aerobic sewage treatment tank is directed into one end of an elongated conduit adapted to be buried in the ground with the tank. The conduit has a length of many hundred feet...
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3894398 |
Rice box
A gate for regulating the water flow between adjacent fields, such as rice fields separated by a levee, for submerging the fields in water. The gate has a generally U-shaped configuration and is...
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3891186 |
Device for inserting drains into the ground
Drain strips for draining ground are inserted into the ground by means of a sticking tube surrounding the drain and being slidably journalled in a mast. Hydraulic motor means for operating the...
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3888087 |
Foundation wall protective sheet
Improvements in protective membranes or sheets for foundation walls are disclosed. The sheets have regular courses of protrusions for spacing the sheet from the founddation wall and a porous...
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3887021 |
Method and apparatus for boring drain holes in ground
A method and a device for boring holes in which the boring device comprises a rigid hollow tubular body having a nozzle at an end thereof and connected at the other end to a hose which supplies...
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3882383 |
Soil moisture sensing system
This invention relates to an electrical resistivity method for testing the moisture content of soil. The electrical resistivity of the soil is sensed by a novel soil moisture sensor having two...
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3872676 |
Soil protector from siphon water
A soil protector to prevent erosion of land in an irrigation ditch at the position in which water is injected into the irrigation ditch and including a unitary structure having an elongated bottom...
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3851896 |
IN-LINE EMITTER FOR HOSE
A fluid emitter of the kind used in irrigation comprises a tubular member which is inserted into the adjacent ends of two hose sections. A helical thread on the outside of the tubular member...
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3815214 |
METHOD FOR CONNECTING PIPE TO A MANHOLE
A manhole is provided with a precast opening of precise dimensions and has a resilient O-ring gasket cast in situ medially thereof. A sewer pipe is fitted with a connector section on the end...
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3799217 |
LIQUID LOADING SYSTEM
Pumpable material, such as sewage sludge, is stored in an elongated lagoon and pumped into successive tank cars of a unit train on a parallel adjacent track. The pumps are positioned on a movable...
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3795180 |
PLASTIC NET DECK SURFACE AND DRAINAGE UNIT
A net, preferably an extruded plastic net, is used to provide a raised surface and drainage means for a sloped deck such as a ball field, patio, and the like.
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3769993 |
SWIMMING POOL CLEANING SYSTEM
This invention pertains to a swimming pool system wherein a plurality of flexible conductors, preferably of extruded plastic, is provided with small apertures formed in their sidewalls. These...
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3754362 |
VERTICAL DRAINAGE SYSTEM
A vertical drainage system for a basement or other below grade foundation wall having a sealer coat on its outer surface, a filamentary web or sheet composed of a fiber-forming synthetic...
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3727635 |
PRESSURE COMPENSATING TRICKLE RATE FLUID OUTLET
A valve cage extending upward from a pressurized fluid source has a lower inlet valve seat and an upper outlet valve seat. Initiation of flow through the cage lifts a ball from the lower seat to...
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3698194 |
AUTOMATICALLY AERATED LEACHING FIELD SYSTEM
A sewage system comprising a septic tank, an air vented distribution chamber, and a leaching field formed of an array of air vented leaching canals. The flow of effluent from the distribution...
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3685298 |
DRAINER
A subsoil drainer for draining seepage water, in which an elongated member has at least three radially projecting continuous ribs and continuous integral cross pieces on at least two of the...
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3656268 |
DRAINAGE WALL SYSTEM AND METHOD OF ERECTING SAME
A drainage wall system and method of erecting same which may be constructed substantially along property lines without encroachment exteriorly of the property lines and without requiring thick...
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3633310 |
REGULATION OF IRRIGATION WATER
A method for improving the irrigation of highly permeable surface soils is described wherein the soils are contacted with an effective amount of an aqueous solution of a partially hydrolyzed...
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3626822 |
SEALING STRIP FOR EXPANSION GAPS, ESPECIALLY IN ROAD PAVEMENTS
This invention relates to a sealing strip for expansion gaps, especially in road pavements, which strips are shaped with at least one horizontal wall connected to sidewalls with ridges cooperating...
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3626823 |
COMBINATION STORM WATER RETENTION ASSEMBLY AND SIDEWALK
This invention includes a series of longitudinally aligned double-tee sections, each of which includes an upper horizontal section at ground level for accommodating pedestrian traffic, and spaced...
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3585804 |
MEMBRANE-FORMING PLOW
Underground ditches with impermeable walls are created in deep sands of arid areas by means of a plough, adapted to dig a ditch. The walls of said ditch are sprayed with a material which makes it...
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3575004 |
SIPHON TUBE CONTROL DEVICE AND SYSTEM
A control device for a siphon tube regulates the liquid flow through the tube to provide self-priming for the tube and a level control for the liquid supply to the tube. The device includes a valve...
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3566982 |
WELL POINT SYSTEM
A well point system including snap-in coupling means between each of the connecting means and the header pipe unit and respective well point assembly. The coupling means includes a sleeve and an...
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3547355 |
EMITTER VALVE FOR SOIL IRRIGATION
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3525663 |
ANTICLASTIC CELLULAR CORE STRUCTURE HAVING BIAXIAL RECTILINEAR TRUSS PATTERNS
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3501007 |
DRAINAGE WELL
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3479825 |
IRRIGATIONAL SYSTEMS
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3451136 |
METHOD OF AND MEANS FOR DETERMINING LINE AND GRADE OF SEWER PIPES AND THE LIKE
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