Matches 151 - 200 out of 295 < 1 2 3 4 5 6 >
Match Document Document Title
5398349 Pool cover  
A pool cover is formed by a plurality of hexagonal pads which float separately on the pool surface and orient themselves to cover the majority of the pool service in edge to edge floating...
5398350 Portable spa cover  
A portable spa including a cover having two semi-circular, rigidly molded, interlocking halves, designed to conform with the contour of the rim of the spa. The cover halves each have an...
5386597 Geometric form-fitted spa cover protector  
A geometric form-fitted acrylic spa cover protector composed of two pieces of acrylic cut to a geometric form or shape and sewn together at the edge of the perimeter. The spa cover protector is...
5381634 Covering structure particularly for surfaces having a marked longitudinal extension  
The covering structure has retention members for location beside a surface to be covered. A suspension member, having a plurality of mutually hinged segments, is pivotally connected at its ends to...
5373590 Spa cover  
An airtight spa cover (11) supported by air generated by the spa pump and the spa blower (29). The cover is attached to the external periphery of the spa walls (17) and includes a skirt (29) that...
5371907 Pool cover support  
A pool cover support for supporting an above-ground pool cover in an elevated position on a pool. The support includes a plurality of members that extend from a point above a center of the pool to...
5347984 Solar pool heater  
An inexpensive, easy to use and to store, solar pool heater which comprises a flexible corrugated plastic sheet having one side thereof matte black and the other side thereof white in color and...
5303527 Removable pool cover support apparatus  
A removable support apparatus for supporting a swimming pool cover employs adjustable frame assemblies capable of spanning between opposite edges at opposite sides of the pool. Each frame assembly...
5293652 Swimming pool winterizing method and apparatus  
A pool winterizing system including a pool cover-sheet and a housing that is disposed beneath the periphery of the cover-sheet and in communication with the environment exterior to the cover-sheet....
5259077 Swimming pool cover elevation device  
A swimming pool cover elevation device. A substantially rigid pole is provided with a plurality of ropes attached at one end to the bottom thereof and having hooks disposed at the other end thereof...
5259078 Pool cover  
A swimming pool cover for covering the entire area of a water-filled pool so as to prevent egress of silt and debris into the pool during periods of non-use comprises a water-impervious sheet...
5216762 Floating pool cover apparatus  
A floating pool cover arranged for flotation about the top surface of a swimming pool to provide for passive heating during periods of depressed temperatures and reflection of heat during periods...
5188550 Apparatus and method for creating a floatable thermal and evaporation barrier  
A device (20) for reducing evaporation and energy transfer between fluids, the surface (12) of which is exposed to environmental elements. A plurality of buoyant, homogenous evaporation devices...
5184356 System for automatically covering swimming pools and method therefor  
A system for deploying and retrieving a cover over a swimming pool. The cover is wound onto a motor driven reel. A guide spindle aligns the cover onto the reel during the winding process. A spool,...
5148646 Convertible enclosure for hot tubs and the like  
A convertible enclosure particularly adapted to cover an outside hot tub installation. The enclosure includes a tubular frame with sliding cross-pieces. A cover is attached to the cross-pieces such...
5144704 Swimming pool cover with multiple air compartments  
This pool cover utilizes multiple, laterally displaced air compartments which are fixed in location with respect to each other, and are integral portions of the cover. The air compartments may be...
5131102 Spa cover lift assembly  
A device for use in conjunction with a spa cover or spa cover mounted for pivotal movement to facilitate the removal of the cover away from the vicinity of the spa or spa when same is in use. In...
5107552 Swimming pool cover and roll-up device  
A swimming pool cover and roll-up device combination comprising a flexible shaft extending intermediate of the swimming pool cover from one edge to an opposite edge, with the flexible shaft being...
5107551 Multiple accessory swimming pool coping  
A versatile swimming pool coping having at least three horizontal securing channels which open inward to the pool when the coping is positioned at the top of a swimming pool wall for accommodating...
5095557 Pool cover assembly  
A cover assembly for a swimming pool is provided for winter protection of the pool and the water contained therein. The assembly includes a cover and an adjustable ring assembly for securing the...
5086525 Moisture-proof spa cover and method of construction  
An improved design and method of construction for spa or hot tub covers. The top panel and bottom panel of a first cover are each unitary and are heat sealed together to provide a superior...
5068929 Edge retainer for a floating pool cover  
In order to prevent the edge of a floating pool cover from rolling downwardly into the water, as would occur if a child fell or stepped onto the cover, upwardly open channels, the outer walls of...
5067182 Swimming pool cover  
A modular floating swimming pool cover includes a series of buoyant panels which are hinged together to form a row of panels. The cover can include several adjacent rows. The hinge includes spaced...
5048153 Spa cover lift mechanism  
A lift mechanism (15) for the cover (13) of a portable spa or hot tub (11) comprising a pair of compressible struts (21) and upper and lower hinge mechanisms (24 and 23) is disclosed. The preferred...
5025513 Pool cover with compressible safety edge  
A pool cover has a compressible safety edge providing resilient conformance to obstructions over a wide range of atmospheric and loading conditions. Pool covers can be stretched over the water...
5022101 Thermal cover for a spa  
A flexible cover installable on a spa (hot tub) to provide a barrier against upward escape of moisture or heat or chlorine out of the spa. The cover is formed as a three ply laminated sheet that...
4991238 Spa cover lift  
A spa cover lift is provided that includes a movable frame adapted for pivotable attachment to the side of a spa, one or more struts for positioning the movable frame between extended and retracted...
4982457 Device for preventing falling of persons between pool cover and pool wall  
A device for preventing falling of a person between a pool cover and a pool wall has a protective element including a first substantially horizontal portion arranged to be placed onto a pool cover...
4951327 Pool cover support system  
A swimming pool cover support system for maintaining the cleanliness of a pool during periods the pool is not in use includes at least one central support member, and a plurality of support arms....
4913810 Skimmer apparatus sealing and closure assembly  
Skimmer apparatus, for a recreational pool of the type where a housing of the skimmer is mounted outside the pool and has a port opening in sealed relation to a pool sidewall opening, is provided...
4875466 Solar heating disc  
A dome-shaped device usually four to five feet in diameter with a continuous channel section formed integrally around its perimeter. The device is of a unitary construction and is typically formed...
4857374 Structurally strong, non vapor, non moisture absorbing, spa/hot tub cover  
A spa/hot tub cover is structurally strong to essentially completely cover an opening of a spa/hot tub except for a limited vent, and withstand a person's weight. In so doing the spa/hot tub cover...
4853984 System and method for maintaining a swimming pool cover drained of accumulated precipitation  
In a drainage system for maintaining a swimming pool cover drained of accumulated precipitation, a pump with its intake is disposed in a fluid trap defined by an upper surface of the swimming pool...
4853985 Cover for a hot tub or the like  
A cover assembly for use with a base structure such as a hot tub comprising a cover member mounted for rotational movement to the base structure by mounting arms. The mounting arms are arranged...
4851275 Covering used to protect water conditions of nursery pool from damage by acid rain and extraordinary temperatures  
This invention discloses a covering comprising a floating member shaped as a square loop, one pair of opposite portions of which are inflatable members, and a water-proof sheet having a nipple...
4847925 Cover for a pool, hot tub or the like  
A cover for a pool, hot tub or the like wherein the pool structure has an upper perimeter portion defining a pool area where water is contained. The cover has a first upper flexible sheet member...
4830040 Automatic swimming pool cover drainer  
A float controlled siphon discharge valve mechanism operates to drain water from a swimming pool cover, and includes a lever arm attached at one end to a hinge and having a float on the other end...
4819681 Apparatus and method for draining a swimming pool cover  
A method and apparatus for draining a swimming pool cover includes upper and lower flanged members having a central drain passage for sealably fitting around a hole formed in the pool cover. A...
4815152 Pool cover movement limiting device  
A mechanism for limiting extension and retraction of the pool cover is provided to prevent overtravel thereof and damage to the cover driving motor.
4783861 Covering structure  
An openable covering structure for any desired location which is particularly well adapted for use in conjunction with a swimming pool, comprising several covering elements extending above the...
4764998 Retractable cover  
Retracting cover device for covering structures such as vehicles, swimming pools, boats, awnings etc., comprising a cover of wide flexible sheet material, a reel rotatably mounted on reel support...
4749606 Floatable pad  
The floatable element or pad including a body of floatable material, such as for example a low density polyethylene, or a high density cross-linked polyethylene, and the like, having a horizontal...
4744471 Telescoping rod with locking device  
A telescoping, adjustable-length rigid rod for mounting between opposing surfaces, such as the opposing interior walls of a swimming pool, for retaining a cover or the like in position is provided....
4715070 Flotation pool blanket  
A flotation pool blanket for covering a swimming pool adapted to be gathered when removed, said flotation pool blanket defining a blanket covering the water of the pool having at spaced intervals,...
4709688 Open cell sheeting  
A two-ply sheeting material is provided with open ended dimples formed in the lower layer that will trap air and ensure flotation when the sheeting is deployed on a swimming pool as a pool cover....
4698109 Method of making floatable sheet material  
A floatable on water, translucent laminated plastic sheet material having a plastic embossed film with a plurality of embossments dispersed thereon except at the longitudinal edges thereof. The...
4667352 Removable swimming pool cover  
A removable swimming pool cover characterized by a plastic sheet or thermal blanket which floats on the surface of the water and is retained in position by a number of telescoping, spring loaded...
4660545 Solar conductive spa water heater and safety cover  
Solar heated spa cover made from vacuum formed plastic material to form a first piece with a series of interconnected parallel U-shaped channels and a second top piece solvent or heat welded to the...
4628549 Floatable sheet material and method of making  
A floatable on water, translucent laminated plastic sheet material having a plastic embossed film with a plurality of embossments dispersed thereon except at the longitudinal edges thereof. The...
4606083 Tub cover  
Thin, flexible sheets of water-impervious plastic material have their margins heat-sealed together and enclose a layer of insulating material of a size sufficient to cover the internal area of a...
Matches 151 - 200 out of 295 < 1 2 3 4 5 6 >