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Document |
Document Title |
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7603727 |
Floating spa cover of adjustable size
A floating spa cover generally comprises an inflatable insulating and soar heating central portion surrounded by one or more independently inflatable adjustable rings. The inflatable central...
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6571789 |
High efficiency swimming pool or commercial liquid tank insulation device
Presented is an improved insulation device which, in multiple numbers, forms a swimming pool cover, or cover for other types of liquid containers. A complete cover is formed of multiple independent...
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6503241 |
Pool heating apparatus
A method and apparatus for heating an outdoor swimming pool. The apparatus includes a substantially buoyant web having a first end, a second end, a first exterior surface and a second exterior...
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5555877 |
Cover for pond used to collect solar radiation
A cover for withstanding stormy weather and increasing solar heating of a body of water is disposed over the surface of the water. The cover is more transparent to visible radiation from the sun...
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5511536 |
Solar-type pool cover
The pool cover is made of multi-layer light weight construction having transparent top layers to permit sunlight to pass through, an opaque layer for absorbing sunlight passing through the...
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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...
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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....
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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...
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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...
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4313421 |
Solar heating apparatus for swimming pools
A cover for a swimming pool is disclosed comprising first and second layers of plastics material joined together at join zones, to define a plurality of spaces therebetween the spaces being...
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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...
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4195622 |
Swimming pool cover and solar heater
A swimming pool cover having at least a portion of which is made of material allowing solar energy to pass therethrough coacts with a solar heating mat in the pool to retain heat developed by the...
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4103368 |
Pool cover having solar energy heating feature
A pool cover having solar energy heating capability is provided comprising sheet material adapted to furl about a reelless locus in a storage position and to be deployed in an extended position....
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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...
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4022187 |
Floating solar heater for swimming pools
A solar heating apparatus is disclosed herein useful as a swimming pool cover whereby the sun's rays can penetrate the apparatus and heat the water therebeneath. The apparatus includes a plurality...
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3598104 |
SOLAR HEATING SYSTEM FOR SWIMMING POOLS
A solar heating system for swimming pools, particularly self-supporting above ground swimming pools, in which system a pool cover is used to absorb solar heat and conduct same to surface water in...
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3453666 |
SOLAR THERMAL BLANKET
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3411163 |
Swimming pool heater
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3072920 |
Swimming pool cover for collection or reflection of solar heat
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2996729 |
Swimming pool
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