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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7140425 | Plate-tube type heat exchanger A plate-tube type heat exchanger not requiring maintenance is described, comprising: a plate with a plurality of channels running parallel along thereof; and, a plurality of tubes housed and secured to said channels, thus forming a circuit for the circulation of a h... | 11/28/2006 |
| 7093593 | Floating solar pool heater A soft, flexible, solar pool heater for floating on water generally comprises independently inflatable outer ring and central portion. When chamber and cavity are inflated, the cavity is with the top and bottom planes of the ring. The ring can be inflated with water... | 08/22/2006 |
| 7089706 | Covering component for protecting outer surfaces of buildings from atmospheric agents, incorporating heat exchanger means, and system for the external covering of buildings using such a component A covering component for protecting outer surfaces of buildings from atmospheric agents comprises a metal sheet (7), an insulating mass (8) arranged below said sheet (7), and heat exchanging means (7–9, 11, 12) comprising at least a pas... | 08/15/2006 |
| 6955168 | Solar heat collecting apparatus A solar heat collecting apparatus comprises a casing body, a lid for the casing body, a plurality of pillars, and a shield member. The lid for the casing body allows sunlight to pass through the lid and forms a vacuum space in collaboration with the casing body. A p... | 10/18/2005 |
| 6604521 | Solar collector pipe An improved solar collector pipe that directly conveys fluid to be heated and collects and transfers solar energy efficiently and directly to the internal fluid, thereby maximizing both the amount of energy transmitted to the internal fluid and the peak t... | 08/12/2003 |
| 6082353 | Solar panel and method of manufacturing thereof A method for forming a solar collector includes a panel provided with an inner bore and a deformable metal tube inserted in the bore and mechanically secured thereto by passing a plug or bullet through the tube to deform it outwardly into intimate contact... | 07/04/2000 |
| 5657745 | Solar heat collecting panel A solar heat collecting panel having three stacked compartments enclosed within a frame. A pair of similar spaced apart parallel clear plastic sheets form the top and bottom of the uppermost compartment. The middle compartment is formed by the bottom shee... | 08/19/1997 |
| 5537991 | Nonimaging solar collector A nonimaging solar collector. A method and article of manufacture of a solar collector includes an outer housing transparent to light, a reflector element positioned within the outer housing, an absorber concentrically disposed relative to the outer housi... | 07/23/1996 |
| 5531215 | Device for absorbing radiant heat energy A device for absorbing heat energy, in particular a solar panel, includes a housing in the form of a frame-shaped rack. The housing has a cover which allows the radiant energy to enter. Several collector tubes are disposed below the cover and between a di... | 07/02/1996 |
| 4911353 | Solar collector having absorber plate formed by spraying molten metal A method of making a solar energy collector where the absorber plate, selective surface, and protective outer skin of the collector are formed by spraying molten metal particles onto a substrate and building a coating of metal up to a desired thickness. T... | 03/27/1990 |
| 4604990 | Collector means for solar energy collecting system In accordance with the present invention, an improved collector means for a solar energy collector system having an absorber plate and a glazing panel spaced from at least one side of the absorber plate in which a cap means is coupled to and extends along... | 08/12/1986 |
| 4513732 | Passive integral solar heat collector system The present invention relates to an improved apparatus for collecting, absorbing, transferring, and storing solar heat energy, economically and passively, without pumps or electric power. The apparatus comprises a solar collector with a flat finned heat p... | 04/30/1985 |
| 4426997 | Solar energy panel A solar heating panel utilizing an improved panel member construction to increase the strength and heat transfer capacity of the panel. The panel has upper and lower layers of individual interconnected panel members, with the panel members in the upper la... | 01/24/1984 |
| 4416265 | Solar collector A solar collector for integral attachment to framing members of a structure comprising a base panel attached to and extending between an adjacent pair of the framing members. The collector includes collector plate which comprises an inlet and an outlet en... | 11/22/1983 |
| 4392359 | Direct expansion solar collector-heat pump system A solar collector-heat pump heating system which comprises metallic plates which are directly exposed to the ambient atmosphere and which are in direct heat exchange relation with tubes. A compressor receives a heated low-boiling working fluid, e.g., R-22... | 07/12/1983 |
| 4289113 | Evacuated flat-plate solar collectors A structural support system is disclosed for use in an evacuated, flat-plate, solar collector to eliminate the problem of stress fractures in a glass cover plate. Nonlinearly spaced supports are used within the collector to dampen vibrations in the glass ... | 09/15/1981 |
| 4285335 | Solar energy collector panel An elongated solar collector including a plurality of longitudinal side-by-side elongated panel sections having interconnected adjacent longitudinal marginal edges and including integral portions defining fluid passages extending longitudinally along the ... | 08/25/1981 |
| 4284069 | Wall element comprising a solar collector which is disposed between two transparent panes A wall element, comprising a solar collector which is arranged between two panes and which comprises a number of rotatable absorber plates. One side of the absorber plates is provided with a non-selective black coating and the other side is provided with ... | 08/18/1981 |
| 4269172 | Solar water-heating apparatus A solar hot-water system having an absorber formed of plastic ducting adapted to be arranged unobtrusively on a roof surface whereby the water is heated by means of direct radiation from the sun and by means of conduction from the roof surface on which th... | 05/26/1981 |
| 4222368 | Solar energy collection apparatus and system A solar energy collection apparatus has a reflector for reflecting the rays of sunlight incident thereupon to, and concentrating them upon, an absorber. Mounting blocks insulate and position the reflector and absorber with respect to each other and to sup... | 09/16/1980 |
| 4221208 | Solar collector assembly A solar collector assembly includes shingles which have integral tubes projecting therefrom, and which are mounted in overlapping parallel array. Mounting brackets for the shingles are engaged on roof rafters or the like, and interlocked light transmissiv... | 09/09/1980 |
| 4217886 | Radiant energy collecting or emitting element and method and tool for manufacture thereof A radiant energy collecting/emitting element, including an absorber plate with a cylindrical bore through which a tool comprising a mandrel having lands is drawn to form helical grooves. A tube formed of a ductile metal dissimilar to the plate metal is pl... | 08/19/1980 |
| 4213449 | Solar collector A solar collector having a blow-molded frame and an integral absorber plate. The frame is larger in thickness than is the thickness of the absorber plate portion. The absorber plate portion of the blow-molded part has a channel system molded therein for c... | 07/22/1980 |
| 4204522 | Solar heaters A solar absorbing panel and housing are disclosed. The integral panel is formed with a grid like pattern of trunicated triangular shaped upstanding walls extending above the panel surface. Fluid conducting tubes are embedded in the walls. An insulated hou... | 05/27/1980 |
| 4202320 | Solar energy collector assembly An improved solar energy collector assembly with a multiple glazed outer face, a flat collector member and an insulated bottom and side enclosure is provided with significantly enhanced thermal efficiency due to the mounting of the heat collector member a... | 05/13/1980 |
| 4180056 | Laminar solar energy collecting unit having absorber plates consisting of hollow fibers A solar energy collecting unit is disclosed having an absorber for solar radiation comprising at least one hollow fiber having a heat-dissipating medium flowing therethrough. The hollow fibers used are preferably glass fibers, and preferably form the abso... | 12/25/1979 |
| 4178909 | Solar collector A solar collector is provided comprising a cover assembly which employs a flexible polymeric cover sheet and means for stretching the cover sheet and maintaining it taut under various ambient temperature conditions, a simple and economical peripheral supp... | 12/18/1979 |
| 4172444 | Solar panel An extruded solar collector formed of inexpensive material which may be used individually or readily assembled in groups in a series or parallel arrangement to form a panel by unskilled personnel with simple tools to provide an effective solar ray convert... | 10/30/1979 |
| 4161169 | Focussing flat plate solar collector device A solar collector is disclosed that enables the installation of the collector parallel to the surface plane or angle of any structure, including vertical walls and flat roofs, without affecting generating efficiency. The collector is efficient for both en... | 07/17/1979 |
| 4150657 | Solar collector A solar collector which includes a radiation-absorbing panel having a surface provided with integral fluid-conducting conduits whereby heat absorbed by the panel may be efficiently transferred directly to fluid circulating in the conduits.... | 04/24/1979 |
| 4150661 | Layout for collecting solar energy applicable to acclimatizing all types of buildings A layout for collecting solar energy is described which is made up of modules formed by two or more hollow plates of variable-cross section, placed parallel to each other, in the interior of which a fluid having chemical properties which assist the collec... | 04/24/1979 |
| 4144931 | Solar heating and cooling collector window This invention comprises a solar unit in the form of a window having a plurality of vanes extending thereacross connected for unitary pivotal movement relative to the frame, together with means for adjusting the vanes for the collection of solar heat in u... | 03/20/1979 |
| 4142510 | Solar heater The solar heater comprises an elongate concave reflector having a reflecting surface consisting of two interconnecting portions which are substantially symmetrical about a longitudinal plane of the reflector. Each portion in section is of substantially co... | 03/06/1979 |
| 4120288 | Solar collector An improved solar collector has a one piece monolithic fiberglass frame and back assembly in which all of the collector components are mounted. A mounting flange integral with the frame facilitates securing the collector in place on a roof or other suppor... | 10/17/1978 |
| 4117832 | Solar energy collector A solar energy collector has members exposed to the sun to collect heat from the sun's rays and has at least one fluid carrying conduit in heat exchange relationship with the members. Heat energy collected by the members is transferred by conduction to th... | 10/03/1978 |
| 4116224 | Solar energy collection device A solar heat energy collector device is disclosed wherein the sun's rays strike a collector located in an insulated enclosure. The heat energy from the sun is transferred to this collector. Also forming part of the collector are conduits which contain a f... | 09/26/1978 |
| 4114598 | Solar heater and element therefor The present invention provides a solar heating element comprising a tube having two fin means extending therefrom, the fin means lying at an angle to one another. The invention also provides solar heaters containing a plurality of such elements joined by ... | 09/19/1978 |
| 4111188 | Extruded metal solar collector roofing shingle An extruded aluminum planar roofing shingle with a structural capability of spanning over six feet which incorporates an integral tube which projects from its lower surface, the shingles being mounted in edge overlapping, parallel array fashion across lat... | 09/05/1978 |
| 4069811 | Solar collectors A solar collector including an absorber having at least one channel for conducting a fluid receiving the heat absorbed, a housing enclosing the absorber and having radiation-transparent windows covering and spaced from both faces of the absorber, and part... | 01/24/1978 |
| 4060070 | Solar heating A heat collector and radiator for allowing the absorption of lower atmosphere radiation by the maximizing of the surface area capable of absorbing the diffuse radiation. A plurality of closely spaced tubular elements are disposed in parallelism with relat... | 11/29/1977 |
