Matches 201 - 250 out of 295 < 1 2 3 4 5 6 >
Match Document Document Title
4601072 Swimming pool cover  
A thermally insulative buoyant swimming pool cover floats on the surface of the pool for covering the pool and for retaining the heat within the pool. Sinking means, such as weights or a mechanical...
4598506 Swimming pool cover  
A swimming pool cover for an indoor pool which is designed to cover an in-ground pool that is positioned below floor level in a manner so that it provides a support floor when in place that is...
4577352 Extruded section for swimming pool rollable cover  
The extruded section, defining hollow compartments comprises two complementary assembly shapes permitting a limited articulation of two assembled sections, and comprises at each of its ends, a plug...
4561134 Fitting assembly for vinyl lined pools  
A fitting and faceplate cap assembly, for use in swimming pools, and the like, with vinyl liners, comprises a fitting member which extends through an opening in the wall of the pool with a flange...
4527795 Tethered swimmer's tank  
A tethered swimmer's tank for permitting a person to perform swimming exercises within a limited space being comprised of an open topped, water-filled tank and a harness device which is attached to...
4470403 Saltless solar pond  
A solar pond (16) adapted for efficiently trapping and storing radiant solar energy without the use of a salt concentration gradient in the pond is disclosed. A body of water (20) which may be...
4466143 Swimming pool cover leading edge wheel assembly  
A wheel assembly for use with extendible and retractable swimming pool covers having a raised leading edge. The apparatus of the present invention preferably comprises two rigid arms which each...
4465056 Method and means for removing heat from a heat storage layer of water  
A heat storage pond, of the type having a lower heat storage layer of water covered by an insulating layer, has a partition that extends from a location on the periphery of the pond toward an...
4459711 Swimming pool cover assembly  
A swimming pool cover assembly is adapted to be operated by hand by a single person, for extending a cover sheet over a swimming pool or for retracting the cover. The cover sheet is wound upon a...
4458668 Package to form panel structure for use on water body  
A package is adapted for assembly to form a panel unit to be deployed on a body of water to alter heat transfer to or from the water or to block evaporation. The package includes: (a) multiple...
4457119 Swimming pool coping  
A flexible easily installed and low maintenance swimming pool coping providing the transitional element between horizontal pool deck and the vertical pool wall. The coping is provided with upper...
4429683 Gradient zone boundary control in salt gradient solar ponds  
A method and apparatus for suppressing zone boundary migration in a salt gradient solar pond includes extending perforated membranes across the pond at the boundaries, between the convective and...
4429425 Swimming pool cover or dome bead construction  
An improved bead for swimming pool covers or swimming pool domes is provided with locking features which afford substantially improved capability for holding the swimming pool cover or dome secured...
4426995 Solar quilt  
A flexible quilt collects and absorbs solar energy, and transfers heat to the underlying ground, water or other medium. It includes insulating gastight compartments which are located between an...
4422192 Spa or hot tub cover  
An insulative hot tub or spa cover appearing in two symmetrical halves biased toward each other on a medial edge each half comprising an inner foam core capped on a peripheral edge by a C-shaped...
4422193 Partitioning device and method for pools  
A partitioning device is provided for swimming pools to efficiently treat the water in swimming pools and to conveniently store the water therein during periods of nonuse. The device comprises a...
4411031 Buoyant swimming pool cover  
A buoyant swimming pool cover is deployable over the surface of a pool under the influence only of the rotation of a power driven roller that extends horizontally across an end of the pool. The...
4393528 Adjustable trampoline type pool and hot tub cover  
A cover for covering pools having a pool coping elevated a predetermined height above the surface area surrounding the pool. A pair of spaced apart hinges are mounted to a rigid support adjacent...
4393527 Method of controlling non-solar swimming pool heater  
A swimming pool heater temperature control system is disclosed. The control system is designed to optimize the use of a conventional heater as a supplemental heat source for a solar heated swimming...
4385407 Floatable pool cover  
A floatable pool cover comprised of a generally rectangular sheet of material conforming to the surface area of a pool having substantially rigid, floatable members attached along two opposite...
4379351 Debris trap for pool cover  
A cover for a swimming pool or like body of water having a trap in the form of a pocket to retain accumulated debris during removal of the cover from the pool. An inwardly open pocket is provided...
4368549 Swimming pool heater temperature control system  
A swimming pool heater temperature control system is disclosed. The control system is designed to optimize the use of a conventional heater as a supplemental heat source for a solar heated swimming...
4364131 Liquid reservoir  
A liquid reservoir, for example a swimming bath, a test tank or an aquaculture tank, comprises an open-topped container having at least one side wall, a first floor fixed relative to the side...
4328930 Composite reel and stand for a swimming pool cover  
A cover system for an outdoor swimming pool including a light-weight cover member, a composite reel member on which the cover is wound as it is removed from a covering position overlying a swimming...
4326498 Solar canal  
This invention relates generally to a device for the collection of solar energy and the production and storage of heat for industrial processes, space heating, cooling and other processes where...
4318421 Float controlled syphon valve for swimming pool cover  
A float controlled valve syphons water out of a swimming pool cover. The syphon valve includes co-operable male and female valve members disposed for mutually relative movement to bring them into...
4285078 Automatic swimming pool cover  
An automatic cover for a liquid storage container and a method of control corresponding thereto including a cover disposed within the container, a membrane connected to a portion of the storage...
4284060 Floating solar pool heater  
A floating solar heater for swimming pools is disclosed which includes a top cover, a vertical outer side wall with inclined inner side wall segments connected thereto, an outside rim and a bottom...
4271542 Swimming pool platform and components  
A vertically adjustable pool platform, for use in a swimming pool, means to vertically raise and lower the platform, and means connecting the platform to the means to vertically raise and lower the...
4270232 Thermal pool cover  
This invention is a unique cover for swimming pools or the like manufactured in easily handleable small segments which fit together on matching sides when floated upon water and as particularly...
4257132 Collapsible pool cover assembly  
A collapsible cover assembly for use with a swimming pool having a curved edge or coping extending along opposite sides thereof, wherein the cover assembly includes a plurality of slidably...
4256087 Swimming pool solar heater  
A flexible plastic solar heating panel, such as may be floated on the surface of a body of water and used to heat a swimming pool, comprised of a water supply manifold which communicates with one...
4251889 Swimming pool cover  
A swimming pool cover consisting of a sheet of transparent, flexible, pliant plastic of a size to cover the water surface of a pool with an overhang of a several inches permitting folding back all...
4246663 Hot tub cover  
A generally hemispherical dome designed to cover a hot tub comprises a pair of successively smaller spherical shells, generally quadrantal in configuration, which are pivotally connected to a pin...
4236259 Spa cover  
An insulative spa cover of the floating type used for reducing loss of heat from the warm water in the spa to the air above the water consists of a sheet of stiff plastic foam shaped to fit the...
4233695 Swimming pool cover with rain water drainage and filter means  
An improved flexible, removable cover for swimming or other pools, which reduces contamination of water in the pool and is easy to maintain, has one or more discharge openings 13 covered by a...
4192025 Cover for swimming pool  
A thermal blanket or cover for a swimming pool. The blanket consists of a covering of flexible plastic sheet material to which are secured strips of foam-backed plastic sheet material to provide...
4170796 Swimming pool with protective wall  
In a rectangular swimming pool suitable for use as a wave bath there is provided a rigid protective wall extending along and adjacent to the two longitudinal walls and one transverse wall and able...
4137575 Swimming pool tarpaulin  
A tarpaulin with thermal insulation for a swimming pool, comprising a closed-cellularly foamed, elastic plastic foil with flotation features, wherein the top side thereof is lined with a porous...
4136408 Lightweight removable cover for a pool, greenhouse or the like  
Interfitted tubular supports are connected centrally above an enclosure such as a pool, above or below ground, or a greenhouse and are connected at their lower ends to a peripheral rail surrounding...
4135257 Floating pool cover  
A sheet or film of cover material having a flotation member around the peripheral edge, with the cover material being cut to the size and shape of the surface of the pool to completely cover the...
4135259 Cover assembly for swimming pool  
A cover assembly for a swimming pool is provided which includes a rigid, sturdy deck member which fits over the top of the pool, and which also includes an hydraulic cylinder and linkage coupling...
4122562 Support frame and pool cover  
A pool cover including a central frame provided with tubular extension and a ring supported by an inflatable member which floats on the water surface. Tubular supports are connected on the pool...
4107826 Flexible covering anchor  
A two-piece assembly is provided for attaching sheet material, such as polyethylene film, to greenhouses and the like. An elongated base member is secured to a support and includes a channel...
4079726 System for storage and use of solar energy  
A system for economically storing solar energy in the form of heated water. The system includes an above ground swimming pool in conjunction with a solar collector whereby the water of the pool is...
4078293 Method of making rigid swimming pool cover  
A plastic foam rigid swimming pool cover is fabricated by forming an amorphous plastic foam material into a shape conforming generally to the periphery of the pool and into a shape for covering the...
4067155 Sealing system  
A system for joining and adhering a pair of abutting panels to a rigid substrate and providing a seal against thermal and moisture transfer. The system is comprised of an elongated receptacle...
4051638 Removable enclosure for a swimming pool or the like  
An enclosure for a swimming pool or the like comprising a cover and a frame for supporting the cover. The frame has a plurality of longitudinally spaced laterally extending ribs which arch over the...
4028750 Cover for water-filled outdoor swimming pools  
A buoyant swimming pool cover in the form of a flexible lightweight sheet comprising a large plurality of hollow buoyancy cells spaced apart over the sheet, there being a plurality of drain...
4022232 Inverted cargo hatch tent  
For protecting cargo in a ship's hold an inverted hatch tent is mounted between a cargo hatch cover and the hatch coaming to thereby define a concave liner below the hatch cover. The inverted hatch...
Matches 201 - 250 out of 295 < 1 2 3 4 5 6 >