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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8146585 | Passive solar portable heater A passive solar heating unit is disclosed, including a portable heater version of the invention that includes an insulated shell structure, an inclined, vertically shaped window formed within the structure, an insulated door to the structure, a handle, and two opera... | 04/03/2012 |
| 7318432 | Solar collector plate method for safeguarding the operation of a solar collector and method for manufacturing a solar collector plate A solar collector plate (2) has a solar radiation receiving front absorber plane (3) that is wiped at its rear side by a cooling liquid (4) flowing in channels (5). Cavities (7), preferably behind the channels (5) and integr... | 01/15/2008 |
| 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 |
| 6763826 | Solar water heater A solar water heater is provided. The heater features heat control so that a maximum temperature is automatically controlled. The heater is insulated to maintain a water temperature of water stored therein for long periods of time. The heater includes an insulated l... | 07/20/2004 |
| 6513518 | Solar cell panel and solar energy collecting device The invention concerns a panel comprising a front plate exposed to solar radiation and whereof the rear face is adjacent to an insulating layer, for example made of a synthetic foam. A conduit network for heat transferring fluid is inserted between the fr... | 02/04/2003 |
| 6012449 | Outer wall element for buildings An outer wall element for buildings wherein, between the inner wall shell and a solar-radiation permeable outer wall shell, a solar-radiation permeable and heat-insulating layer is arranged, the latter being separated from an inner heat-insulating layer o... | 01/11/2000 |
| 5596981 | Solar device and method for assembly A solar collector and a method of manufacture is disclosed. The solar collector frame has internally oriented projections for positioning a light transmissive cover, absorber plate, insulation and base to form an enclosure. To provide for maximum active o... | 01/28/1997 |
| 5404867 | Solar collector venting system A solar collector venting system comprising a lower frame member with vents which allow the entrance of cooling air when high collector stagnation temperatures occur communicating with the natural downward thermal bowing of a two walled plastic glazing ca... | 04/11/1995 |
| 5191875 | High efficiency solar boiler A solar boiler of improved energy efficiency that includes a solar panel for receiving solar energy and converting a liquid to steam and a highly accurate tracking system to maintain the panel substantially perpendicular to the sun. The panel includes a p... | 03/09/1993 |
| 4922720 | Solar liquid heating system A solar heating system for heating fluid enclosed in a waterproof, heatable flexible bag held in a support which can be a cavity in the earth, insulated from ambient temperatures by alternate layers of transparent flexible gas bags and liquid bags dispose... | 05/08/1990 |
| 4677966 | Solar heat collector assembly A solar heat collector assembly including a heat collector plate, a base for accommodating therein the heat collector plate, and a top cover for joining with the base for housing the heat collector plate. The base is made of a foamed resinous material and... | 07/07/1987 |
| 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 |
| 4559924 | Thin film absorber for a solar collector This invention pertains to energy absorbers for solar collectors, and more particularly to high performance thin film absorbers. The solar collectors comprising the absorber of this invention overcome several problems seen in current systems, such as exce... | 12/24/1985 |
| 4541416 | Solar energy collection system A pyramid-shaped solar collector is provided which is capable of operation in conjunction with heat transfer media such as air, water and oil. A pre-heater assembly is provided for use in conjunction with the solar collector to develop improved thermal ou... | 09/17/1985 |
| 4538592 | Solar collector A solar collector with a supporting panel made of fibrous material, the material being thicker on the bottom of the panel where greater insulation is required, and denser and thinner on the sides where greater strength is required. This design permits a t... | 09/03/1985 |
| 4531511 | Means for controlling heat flux A form of insulation is disclosed that takes up less room and is more efficient than insulation currently available. It has several modes of use that make it more versatile than conventional insulation. The insulation is formed from a pair of surfaces tha... | 07/30/1985 |
| 4527544 | High insulating solar block structures A light-transmissive solar insulating block assembly comprising: light-transmissive insulating block means defining at least one internal cavity for insulating the interior of a structure to be heated; a housing having a light-transmissive cover providing... | 07/09/1985 |
| 4523575 | 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... | 06/18/1985 |
| 4498455 | Glazing material A glazing material for the selected admittance, absorption and reflection of radiant solar energy consists of two series of planar members contiguously and alternately disposed along a common plane in an angled relation to each other, which members define... | 02/12/1985 |
| 4469938 | Solar tracking unit A solar tracking system having particular utility for insuring that a relatively lightweight solar collector is properly positioned with respect to the sun. A parabolic reflector surface is included to provide a line of focus of the sunlight directed towa... | 09/04/1984 |
| 4367726 | Solar hot water heater A combined solar water heating device and storage tank for low cost solar hot water heaters is disclosed, consisting of an insulated open-topped tank in which is introduced a volume of water at atmospheric pressure to be heated by solar radiation entering... | 01/11/1983 |
| 4365620 | Reversible window for solar heating and cooling A reversible, variably inclinable window with controlled convection for mounting in a window casing in a building for solar heating and cooling comprising a window frame having top and bottom portions and being adapted to pivot about a horizontal axis int... | 12/28/1982 |
| 4360005 | Solar heat collector system This invention discloses a solar heat collector and system in which radiant heat energy is absorbed by an absorber plate and the heat is transferred by conduction to a circulating fluid. During normal operation, heat loss from the solar panel is reduced b... | 11/23/1982 |
| 4327707 | Solar collector The field of this invention is solar collectors, and more particularly, the invention pertains to a flat plate collector that employs high performance thin films. The solar collector of this invention overcomes several problems in this field, such as exce... | 05/04/1982 |
| 4289120 | Solar heat collecting apparatus A solar heat collecting device is provided which is modular in design and easily removable from its location adjacent the roof or wall of a structure, into the interior thereof for maintainance without disturbing the exterior surface of the roof or wall a... | 09/15/1981 |
| 4282856 | Solar-energy collector A solar-energy collector has a frame receiving a double-pane unit consisting of a pair of transparent panes hermetically sealed together and defining the flow chamber for the heat-collecting fluid. The frame also supports a cover pane which defines, with ... | 08/11/1981 |
| 4273098 | Transparent composite laminar structure, solar collector and method An improved transparent laminar structure useful as a window in a solar collector having an absorber characterized with a low absorption/emission ratio is described. The structure includes a glass substrate, a particularly defined infrared-reflecting (IRR... | 06/16/1981 |
| 4271825 | Solar energy collector A solar energy collector includes an absorber and connecting pipes which are to go to a utilization installation. A cover for the absorber is provided by a first shell, which is transparent and has a peripheral flange. The absorber is carried on a sheet o... | 06/09/1981 |
| 4252103 | Frame structure for a solar heating panel In a solar heating panel, the panel includes a plate-like solar collector having a serpentine shaped fluid conduit soldered to the plate collector in heat exchange relation therewith. Laterally directed manifolds are provided at opposite ends of the colle... | 02/24/1981 |
| 4201196 | Solar energy air heating device A solar energy air heating device comprising a base plate. A wall member is attached to the periphery of the base plate and to the periphery of a panel to form an enclosure. The central portion of the panel is transparent and transmits solar energy theret... | 05/06/1980 |
| 4173969 | Light-permeable thermal insulation apparatus A collector of solar energy comprises an array of contiguous transparent blocks, arranged in one or more layers or tiers, resting on a thermally conductive supporting plate which overlies a system of conduits for the circulation of a heat-carrying fluid s... | 11/13/1979 |
| 4155344 | Air-heating solar collector An air-heating solar collector having a plurality of parallel, spaced-apart, substantially coextensive translucent sheets and a convoluted air passage passing in succession between successive pairs of said sheets, the air finally passing over a blackened ... | 05/22/1979 |
| 4142509 | Solar collector comprising an evacuated cover A solar collector including at least one evacuated transparent cover tube provided with means for supplying hydrogen to and extracting hydrogen from the cover tube.... | 03/06/1979 |
| 4141338 | Solar heat absorber A relatively thin solar heat collector, for solar heat collecting units, having a series of discontinuities in its surface in the form of projections, increasing surface area for absorption and heat transfer.... | 02/27/1979 |
| 4129177 | Solar heating and cooling system An integrated, completely automatic solar heating and cooling system for buildings is disclosed. The system includes a first and a second interconnectable cooling/heating subsystem each of which includes a group of solar heat collecting panels, a heat sto... | 12/12/1978 |
| 4127103 | Heat collecting and transferring apparatus and systems adapted for use with solar energy Heat energy as from solar rays is collected by units including transparent plates covering a completely liquid filled chamber which has a heat absorbing layer as the internal surface of the chamber. The liquid is transparent and capable of absorbing, stor... | 11/28/1978 |
| 4112921 | Method and system for utilizing a flexible tubing solar collector The practical large scale use of solar energy depends primarily upon the first cost of solar collectors per unit area being greatly reduced below known designs without loss of efficiency. The subject invention introduces a method of making flat plate sola... | 09/12/1978 |
| 4088120 | Solar concentrator-collector A solar heat concentrator-collector comprising, in combination, solar radiation concentrator means and collector means for receiving the concentrated solar energy and providing for conversion of the energy into usable or more readily convertable form. The... | 05/09/1978 |
| 4008708 | Solar energy collector A solar energy collector is made up of a plurality of flexible sheets separated by a plurality of extruded flexible spacer members adhered to the sheets in parallel spaced relationship forming channels between the spacer members. The bottom sheet or middl... | 02/22/1977 |
