Matches 251 - 300 out of 405 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
5061116 Reinforced structural elements  
A channel section is of generally U-shaped cross-section and is made from glass fibre reinforced concrete. The section can be thin and light and easily man-handled. In order to provide the section...
5059064 Horizontal dewatering system  
Water is removed from an underground perforated pipe by a submersible pump inserted into an imperforate pipe extending from above ground to below ground level for communication with the perforated...
5054690 Drip irrigation multi-outlet emitter head assembly  
A drip irrigation emitter head assembly is described which comprises a body member having a tubular inlet portion adapted to connect with a water supply conduit. The body member includes a circular...
5046892 Apertured pipe segment  
An apertured pipe segment is disclosed which is of injection moulded plastics construction and can be used to form a well screen or sub-soil drainage pipe. Each aperture comprises a longitudinally...
5039251 Apparatus and methods for agricultural irrigation  
An agricultural irrigation system comprised of a plurality of unit pipes which constitute a water supply pipe line and another plurality of unit pipes which constitute a water dispensing line each...
5030343 Drainage cell  
A rigid cell-like structure primarily for use under gardens and roads where it is required to provided good drainage; the cell comprising two substantially parallel perforate planar surfaces...
5017040 Sewage disposal system and method  
An improvement in a sewage disposal system and method of the type in which sewage is distributed to an effluent absorption area in the earth for dissipation to the earth includes placing a layer of...
5017041 Leaching system conduit with high rigidity joint  
A conduit for dispersing or gathering liquids in the earth has an arch shape cross section and alternating peak and valley corrugations along its length. A more rigid shiplap joint is formed...
5017042 Fluid directing systems  
Collapsible cellular arrays constructed of biodegradable material are employed to define liquid flow courses in a subterranean environment. The cellular arrays receive and support, in a desired...
5003750 Method for reducing immunogenic and/or toxic substances in indoor air  
A method for reducing the amount of immunogenic and/or toxic substances in a building's indoor air. The method is particularly directed at reducing the level of gases generated by certain wood...
5003726 Method for protecting drip irrigation hoses and other structures from root intrusion  
In a method for prohibiting the growth of roots in the outlets of a drip irrigation hose, water under pressure is supplied to the hose for drip irrigation of the soil. A soil retainable, water...
5002429 Evacuation hose for fluids  
A portable fluid collection and removal apparatus includes an elongated flexible conduit having a generally circular outer wall provided with a perforated flat bottom wall. The inner passageway of...
4995759 Drainage tube construction  
A ground drainage system includes a relatively narrow, elongated trench disposed along a roadway (or agricultural field); and a drainage tube construction disposed in the trench. The tube...
4983069 Drywell, drywell system and method for controlling the flow and direction of surface water  
An improved drywell, drywell system and method of controlling the flow and distribution of surface water employing a drywell, the drywell comprising a plastic, cylindrical drywell adapted to be...
4950103 Corrugated drainage tube  
A drainage tube includes alternating annular peaks and annular valleys on an exterior wall of the tube. An interior wall of the tube is smooth and continuous along its length. The combined exterior...
4948295 Pipe for watering plants  
Pipe for watering plants, having an inner feed pipe (1) provided with orifices (5) and of substantially circular cross-section, on the outside surface of which there are one or a plurality of...
4943185 Combined drainage and waterproofing panel system for subterranean walls  
A combination drainage and waterproofing system for subterranean walls includes panels which have drain passages on the side thereof adjacent the soil. The front surface of each panel screens...
4934865 Catchwater drain, excavating structure and method of construction  
A process and structure is disclosed for the construction of catchwater drains, mainly deep catchwater drains, drain ribs, supporting ribs or similar structures, wherein a trench is excavated step...
4930936 Partial-seepage drainage pipe with mating sleeve  
A partial-seepage drainage pipe includes a wall surface of circular profile which is corrugated over the majority of the pipe circumference. Adjoining the circular wall surface is a base having a...
4930272 Drain system  
A drainage system comprising an earthen trench adjacent to a foundation wall formed from hollow blocks or bricks, the inner surface of the lowermost course of which is provided with holes...
4925342 Water management system  
An improved water management system capable of application upon existing surfaces or beneath grade of existing surfaces comprising a system of enclosing borders, a first layer of a geocomposite...
4923331 Composite ground water drainable system  
A composite ground water drainage system for foundation walls having an elongated drainpipe for placement along the bottom of a foundation wall and a base piece of a sheet of a textured, water...
4917536 Fluid storage system  
A modular self-supporting fluid reservoir that can be provided in an excavation and covered with the excavated fill. A stack of plastic core sheets is bundled to form each module.
4913596 Athletic field construction  
An athletic field in which a subgrade is initially formed with a series of ditches having a series of drain tiles therein exteriorly covered with pea gravel. A layer of pea gravel is mounted over...
4909665 Fabric-covered structure  
A fabric wrapped corrugated structure of the type having a series of adjacent peaks and valleys with a separation structure disposed between the fabric wrapping and the peaks of the corrugated...
4904112 Underground irrigation system  
An inner pipe having a plurality of apertures on a top surface is connected to a pressurized water input source. The inner pipe is located within a slightly larger outer pipe and rests on a bottom...
4880333 Subterranean fluid filtering and drainage system  
A subterranean drainage and fluid filtration system includes an inlet conduit defined by fluid filtering fabric encasing a fluid pervious panel with raised lands and depressions to define...
4877350 Foundation waterproofing method  
A method for alleviating seepage of water through the foundation and/or into the basement of a building includes procedures for digging a trench along an exterior wall of the building's foundation,...
4874133 Gas supply and distribution center  
The gas supply and distribution means comprises at least one gas distribution plate (13) composed of shaped blocks (14) through which extend gas ducts (15) having exit slots at the top sides of the...
4869032 Apparatus and method for waterproofing basements  
A drainage control apparatus (10) for basements having a poured concrete floor (27). A plurality of drainage structure (10) each have a vertical leg (15) and a horizontal leg (14), with the...
4848380 Foundation drain cleaning apparatus and method  
This is a new apparatus and method for cleaning debris from the inside of a foundation drain tile, the drain tile being in the immediate proximity of the perimeter of a building structure. A rocket...
4840515 Subterranean drain  
A subterranean drainage unit for protecting a structure by intercepting subsurface fluid flows, comprising a sheet base member having parallel first and second planar surfaces, regularly spaced...
4832526 Underground watering system  
An underground watering system for an athletic facility such as a tennis court, comprising a plurality of select equally spaced shallow water reservoir trenches having rounded surfaces over which...
4824287 Septic system  
In a septic system for handling household waste water, used vehicle tires are employed to form the septic tank and the leaching galleries. Vehicle tires sealed to one another and in combination...
4820080 Process for the construction of a drain system  
A process for the construction of a drain system, wherein a catchment body and at least one interconnected suction body are laid into the soil to be dewatered. Starting from a working pit (3) or...
4810573 Self-healing bentonite sheet material composite article  
The present invention relates to a layered water sealing article of manufacture including a layer of a flexible sheet material adhered to a layer of a composition comprising a non-hydrated...
4800907 Storage space for liquids, with a flushing device  
The invention concerns a storage space for liquids, especially a rain-basin or sewer-backup space, with at least one flushing chamber that is positioned at the maximum height of the bottom of the...
4799822 Profile elements, particularly for supply and/or removal of substances from environmental and/or flow material  
Profile elements are provided for enriching or purifying substances that have different states, i.e., an environmental material and a fluid material. The profile elements for supply or removal of...
4780023 Watering hose  
The invention concerns a watering hose for use in gardens, parks, green-houses and other such places to water flowers and other plants, the hose having a flat, stiff blade or strip of extruded...
4759661 Leaching system conduit  
A thermoplastic device for leaching sewage system effluent into the earth has the shape of an inverted trough. Its sidewalls have slot shaped perforations; above each slot is a lip; beneath each...
4756643 Apparatus for placement of lateral drain lines onto a main drainage line for prefabricated composite drainage structures  
A geotextile fabric composite sleeve having three interconnected portions so that two of the portions are slidable over the principal drain line, and define a main sleeve portion and the third...
4752402 Settling pond separation using permeable fabric and weighting  
Liquids can be separated from the solids contained in slurries, sludges, etc. by forcing a liquid-permeable fabric, downward into the slurry so that solid materials are retained below said...
4745716 Structural water control  
A product useful for preventing water seepage onto a floor in a structure having a foundation, a footing, a floor and a drain below the floor, including a barrier having a cross-sectional shape...
4740104 Underground irrigation or watering of soil  
System for the artificial underground irrigation or watering of soil, with flexible tubing of a porous material, characterized by tubes with a non-expanded porous inside structure. The tubes are...
4717284 Device for draining soils in depth  
A device is provided for draining ground in depth. Each drain includes a tube having perforations in its middle part (1) with solid walls and closed at its lower part so as to form a cup (2), and...
4706418 Roofing cant  
A hollow tubular roofing cant has a plurality of perforations for permitting ingress of moisture or gases from the roofing system and a plurality of one-way vents for permitting egress of moisture...
4704047 Land drainage system  
A land drainage system comprising sub-soil tubes (1) connected to a suction container (3) has the container evacuated by a dual function system comprising liquid pumping means (4) and air...
4697952 Underground irrigation apparatus and method for using same  
Underground irrigation apparatus (10) having a ground penetrating part (12) arranged for forming a hole (14) in ground (16) to be irrigated, and a separate distribution part (18) arranged for...
4666334 Erosion control system for bluffs located adjacent a body of water  
An erosion control system is disclosed which includes a seawall for protecting dunes or bluffs located adjacent a body of water. The seaward side of the seawall is notched or concave to direct...
4650367 Internally reinforced extruded plastic pipe  
An internally reinforced extruded plastic pipe which is adapted for use as an underground infiltration, collection, or transport conduit for liquids and gases. The pipe is provided with at least...
Matches 251 - 300 out of 405 < 1 2 3 4 5 6 7 8 9 >