"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7137413 | Arrangement to increase the thermal fatigue resistance of glass tubes flowed through by fluid and pressure-loaded An arrangement to increase the thermal fatigue resistance of glass tubes having fluid flowing therethrough and being pressure-loaded. This arrangement comprises a glass tube, into which an interior component is inserted. The interior component can be designed as thi... | 11/21/2006 |
| 6913015 | Modular system for utilization of solar energy for heating of sanitary water The subject of the invention is modular system for utilization of solar energy for heating of sanitary water, which is composed from individual modules, each of which comprises a prefabricated, upper-outflow transparent (diaphanous), translucent or non-transparent e... | 07/05/2005 |
| 6446625 | Solar energy collection system and fluid conduit therefor A solar energy collection system that can be retrofitted into pavement covered lots, such as macadam covered parking lots has a pump and heat exchanger, and a conduit buried below the pavement surface that contains a heat transfer fluid such as water. The... | 09/10/2002 |
| 6005185 | Coolant sealing structure for a solar cell A coolant sealing structure for a solar cell of which the sealing property is maintained with high reliability in use for a long period. A solar cell has its light receiving surface and a reinforced portion formed around the fringe portion of the light re... | 12/21/1999 |
| 4898153 | Solar energy panel A low cost easily assembled solar energy panel employing as its major component, a double skinned sheet of polycarbonate which has a plurality of preferably uniformly spaced, rib members separating the two skins. The panel may employ a fluid input and flu... | 02/06/1990 |
| 4859265 | Process for manufacturing of heat exchangers from polymers A process for the manufacture of a heat exchanger from a thermoplastic polymer especially a polyamide, is disclosed. The heat exchanger comprises two generally planar panels formed from a composition of the polymer, bonded together to form a labryinth of ... | 08/22/1989 |
| 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 top of walls separating the channels. The spa water is he... | 04/28/1987 |
| 4625711 | Solar heat collector A solar heat collector comprising an upper casing which receives the rays of the sun, a lower casing which is joined to the lower edge of the upper casing, side covers connected to both right and left edges of the upper and lower casings so as to seal the... | 12/02/1986 |
| 4619801 | Method for producing an improved polymeric heat exchange panel A method is provided for producing a polymeric heat exchange panel of the type including a sheet with a multiplicity of longitudinally extending passages and a plurality of juxtaposed dividing walls respectively disposed between adjacent longitudinal pass... | 10/28/1986 |
| 4401103 | Solar energy conversion apparatus Apparatus for converting solar energy to useful energy principally for home use. The apparatus provides a complete system for receiving solar energy over a large area, e.g. 1,000 square feet; concentrating the energy; and directing the energy toward a tar... | 08/30/1983 |
| 4366808 | Solar energy conversion apparatus Solar energy conversion apparatus including a housing portion, an energy absorbing portion, a fluid directing portion and a cover portion; the housing portion including a molded plastic pan member including a base section with upwardly extending spaced sp... | 01/04/1983 |
| 4359043 | Roofing member for collecting solar energy A roofing member for collecting solar energy defines an external shape and has dimensions similar to traditional roofing means such as tiles or slates. The roofing member comprises at least one transparent wall with a closed cavity below this wall, and a ... | 11/16/1982 |
| 4347093 | Method of producing an integrated solar roof system An integrated solar roof system, consisting of insulated roofing panels and collector panels, and method of producing same wherein the base assembly of the collector panel may be used with either an air or liquid absorber and is both an insulator and radi... | 08/31/1982 |
| 4328790 | Insulated inflatable solar collector with strengthening matrix configuration An inflatable solar collector which includes two interconnected flexible plastic sheets that define therebetween a manifold having multiple parallel fluid medium flow channels, and multiple flexible plastic covering sheets which are interconnected with ei... | 05/11/1982 |
| 4301789 | Energy conversion apparatus A modular solar collector comprises a plurality of detachably interconnected modules forming a closed structural surface. Each module comprises a solar collector unit with a cavity receiving a heat carrier fluid through an inlet and delivering the heated ... | 11/24/1981 |
| 4291681 | Flat plate heat exchangers A lightweight flat plate heat exchanger comprised of two or more essentially parallel flat plates which are formed and arranged to provide fluid flow passages between the plates. New combinations of plastic plates include the usage of transparent plastic ... | 09/29/1981 |
| 4284067 | Portable solar heater A portable solar heater combines a self-contained hot air and heat storage system having a collector area with adjustable reflectors in a unit that can be moved from room to room as needed. The heater has fans for circulation of the solar heater air and p... | 08/18/1981 |
| 4258703 | Roof and wall covering The invention relates to a roof and wall covering, in particular for heat-insulating house walls or roofs, consisting of board-like hollow plastic sections with several through profile chambers extending in longitudinal direction and of edge profiles inse... | 03/31/1981 |
| 4257398 | High efficiency solar collector High efficiency solar collector apparatus heats throughput liquid or fluid to relatively high temperature.... | 03/24/1981 |
| 4257396 | Solar collector A flexible solar collector may be readily attached to a structure, such as a house, mobile home or the like, and may be readily removed from the structure and rolled into a roll of small compass for storage when desired. The collector is of flexible tubul... | 03/24/1981 |
| 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 end of a plurality of water carrying tubes each of which co... | 03/17/1981 |
| 4227514 | Solar energy collectors This invention utilizes a solar radiation absorbing fluid (i.e., a black fluid) for direct solar energy to thermal energy transfer. The unique structure of the several disclosed embodiments of this invention provides for a selected distribution and a sele... | 10/14/1980 |
| 4221210 | System and method for collecting energy from the sun The system for collecting energy from the sun is composed of a transparent panel having a plurality of channels open at both ends, a liquid capable of absorbing about 85-100% of the energy from impinging rays of the sun per centimeter thickness of the liq... | 09/09/1980 |
| 4190038 | Solar heater A mat-shaped solar heater having multiple parallel flow channels for a heat-carrying medium. Any two adjacent ones of the flow channels have a common linear divider and at least some of the dividers terminate short of an edge of the heater. Inlet and outl... | 02/26/1980 |
| 4170984 | Solar energy heat collector A gravity-flow, sheet-flow solar heat collector wherein the heat-absorbent medium is a dark fluid having a minimum viscosity of about 10 centipoise at 120° F.... | 10/16/1979 |
| 4102328 | Solar heating and control system A solar energy collector panel has inlet and outlet header tubes provided with longitudinal slots which terminate short of ends of the header tubes and the ends of a matrix panel extend into those slots and are sealed to the header tubes and provides flow... | 07/25/1978 |
| 4086912 | Solar collector panel A solar collector panel characterized by an integral base having a heat transfer liquid channel and weir at each end of a corrugated heat transfer surface. The channel and weir define a self-contained heat transfer liquid system which provides for the eve... | 05/02/1978 |
| 4062351 | Thermal panel for heating liquids A solar generator panel in which a channel contains water, and has a cover which is transparent to solar radiation to allow solar radiation to pass into water in the channel whereby to absorb energy in the water from the radiation, and including an absorb... | 12/13/1977 |