Matches 1 - 20 out of 20
Match Document Document Title
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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....
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...
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...
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...
3453666 SOLAR THERMAL BLANKET  
3411163 Swimming pool heater  
3072920 Swimming pool cover for collection or reflection of solar heat  
2996729 Swimming pool  
Matches 1 - 20 out of 20