Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 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 |
| 6969832 | Radiant floor heating and cooling system clip A radiant heating and cooling system clip for positioning a tube and construction support wire with one hand comprising an interior having a main channel for positioning a tube with a narrowing second channel within said main channel for positioning a wire. ... | 11/29/2005 |
| 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 |
| 5477848 | Solar collector expansion assembly A solar energy collector expansion assembly including means for reducing having axial thermal expansion in the riser tube is described in which each riser tube has a pair of solar collecting panels attached thereto by a removable elongated "C"-shaped conn... | 12/26/1995 |
| 5431149 | Solar energy collector A solar energy collector comprising a plurality of heat absorbing modules formed by deforming two plates into intimate contact with parallel metallic pipes disposed intermediate the plates. The plates are secured together by rivets which are spaced along ... | 07/11/1995 |
| 5406937 | Finned radiator and solar heating system A fin type radiating system is presented having an exposed rear flange for ease in installing, while improving efficiency. The resulting system is environmentally sound and durable.... | 04/18/1995 |
| 5074282 | Solar water heater A solar water heater absorber with controllable freeze damage is described, the absorber having removable heat absorbing panels attached on opposite sides to each riser, each panel having a flat portion to receive the sun's rays and a folded curved portio... | 12/24/1991 |
| 4624242 | Solar heat transfer and storage system A heat transfer and storage system including a storage chamber containing a phase change material, a water heater having a first conduit in which the potable water is conveyed, and a solar collector having a second conduit through which a heat transfer li... | 11/25/1986 |
| 4517721 | Method of making a tube in sheet heat exchanger A heat exchanger having a heat absorbing or radiating panel formed from a plate which is mounted in thermal contact with a pipe or series of pipes. The panel is mounted within a seamless frame member, joining means being interposed between the panel and f... | 05/21/1985 |
| 4433674 | Solar collector having resilient and adjustable mounting means A solar collector assembly is provided comprising an absorber means adapted to transfer heat to a fluid, a solar energy transmitting cover member, a housing adapted to receive said cover member and to contain said absorber means, said housing having a bot... | 02/28/1984 |
| 4428420 | Heat absorbing element and method of manufacture A heat absorbing element formed from a single metal strip of substantially uniform thickness, comprising a tube having a wall comprising at least a double thickness of strip seamed along a line extending longitudinally of the tube to seal the tube for flo... | 01/31/1984 |
| 4421104 | Concentrating/tracking solar energy collector A concentrating/tracking solar energy collector comprised of a rotatable reflective trough assembly having a heat absorber assembly integrally therein. A heat exchange tube supports the absorber assembly in the trough and also serves as an axis point abou... | 12/20/1983 |
| 4351321 | Solar collector panel A solar collector panel is provided which has a pair of integral hook portions disposed along the longitudinal edges of the panel for corresponding contact with each pipe of a pair of adjacent solar collector pipes of a normal side-by-side solar collector... | 09/28/1982 |
| 4346694 | Solar collector module A solar collector of modular configuration includes a plurality of evacuated collector elements disposed on opposite faces of a manifold in a staggered array. The manifold includes a central baffle which divides it into two parallel passageways through wh... | 08/31/1982 |
| 4340034 | Solar energy collecting apparatus A solar energy collecting apparatus comprises an elongated, trough-like reflector for reflecting solar energy to an elongated focal region. The reflector, which partially defines an enclosed space, includes adjacent first and second portions that extend i... | 07/20/1982 |
| 4338921 | Solar liquid heating system A solar liquid heating system having a collector receiving solar energy and heating a liquid. A liquid transfer pump moves the heated liquid to a heat transfer tank which heats water. The collector has a plate assembly mounted on a frame. Heat insulated b... | 07/13/1982 |
| 4334120 | Sunlight-into-energy conversion apparatus The present application discloses a sunlight-into-energy conversion apparatus in which at least one amorphous silicon solar cell having a thickness thin enough to permit the sunlight to pass therethrough is formed on the surface of a heat collecting plate... | 06/08/1982 |
| 4313430 | Solar energy absorbing-heat exchanger device A solar energy absorbing-heat exchanger device includes a copper tube and first and second identical copper sheets, the two sheets having semi-cylindrical curved surfaces which together fully enclose the tube and the sheets otherwise being essentially fla... | 02/02/1982 |
| 4308856 | Protection against the freezing of solar collectors A solar heat collector has a transparent cover and metal fins beneath the cover. Secured to each fin is a tube through which flows water to be heated, the tube having the general cross-sectional configuration of a figure eight and the tube being welded to... | 01/05/1982 |
| 4241727 | Structural assembly, method of forming same, and elongated panel structure resulting therefrom A structural assembly comprising a preformed connecting member and a tubular member to be integrally connected in surrounding relationship by said connecting member without requiring separate fastening means for effecting such connection. The structural a... | 12/30/1980 |
| 4197834 | Solar energy collector and associated methods adapted for use with overlapped roof shingles on the roof of a building A method and apparatus for collecting solar energy adapted for use with overlapped roof shingles on the roof or side of a building comprising thin flexible metal plates interposed between the overlapped shingles in heat transfer relation therewith such th... | 04/15/1980 |
| 4170221 | Solar heat collector construction A solar heat collector having an array of liquid transporting tubes and a plurality of heat absorber panels joined by a tube gripping accommodation on each panel providing structural integrity and good thermal conductivity.... | 10/09/1979 |
| 4167936 | Static solar tracker and energy converter A fluid-containing tube is supported by a radially-disposed, heat absorbing fin so as to be coaxial with the reflective inner surface of a hemi-cylindrical reflector. Such a combination, if positioned with the reflector aperture substantially horizontal a... | 09/18/1979 |
| 4164932 | Solar heat collector construction A solar heat collector having an array of liquid transporting tubes and a plurality of heat absorber panels joined by a tube gripping accommodation on each panel providing structural integrity and good thermal conductivity.... | 08/21/1979 |
| 4164935 | Solar heating panels A solar heating panel is constructed from a kit of parts which essentially comprises a number of absorber plate sections, each of which has on one edge an outwardly-facing concave part-cylindrical portion, the concave surface of which has a radius of curv... | 08/21/1979 |
| 4133298 | Solar heat collecting apparatus A solar heat collecting apparatus comprises at least one heat collecting element comprising a cylindrical outer member in which at least its circumferential wall has permeability to solar radiant energy and the two end faces of the cylinder are closed, a ... | 01/09/1979 |
| 4127105 | Isothermal process solar collector panel An isothermal process solar collector panel is disclosed. The panel includes a collector plate for absorbing radiant heat; and a plurality of isothermal process heat pipes in an array over a surface of the collector plate. Each heat pipe is closed at both... | 11/28/1978 |
| 4120284 | Clip for clinching a heat exchange conduit with a solar heat absorber A clip for intimately engaging a solar-ray absorber in heat exchange relation with a conduit whereby a channelled absorber or fin receives the conduit in the channel; a generally C-shaped, resilient clip is applied to the back of the channel to embrace th... | 10/17/1978 |
| 4094301 | Solar collector panel Heat absorbing sheet sections with corrugated surfaces terminate in part cylindrical flanges. The flanges are pressed between spaced heat collection tubes and held in place by spring action. The combined structure forms a heat absorbing surface and is sec... | 06/13/1978 |
| 4086913 | Solar heat collector construction A solar heat collector having an array of liquid transporting tubes and a plurality of heat absorber panels joined by a tube gripping accommodation on each panel providing structural integrity and good thermal conductivity.... | 05/02/1978 |
| 4084579 | Lightweight solar heater employing tubes and channels A solar collector comprises A. a multiplicity of tubes to pass fluid and to receive heat, and B. channel shaped heat transfer members having flanges, the members having webs interconnecting the flanges and presented to receive solar radiation, C. the tubes clamped ... | 04/18/1978 |
| 4076076 | Mechanical heat exchange joint A heat-conducting joint suitable for solar heat collectors. A tubular metal member carries heat-transfer fluid. A sheet metal member is in thermal contact with said tubular member and one of the members is pre-curved in a plane perpendicular to the surfac... | 02/28/1978 |
| 4064866 | Flat plate solar heat collector A solar collector which comprises a panel including flat collector plates or absorbers interconnected by integral interfitting members which simultaneously support fluid-conducting tubing and retain the tubing in efficient heat-conductive relation with th... | 12/27/1977 |
| 4011856 | Solar fluid heater A solar heater for heating a fluid passing through a plurality of side by side positioned solar panels. The solar panels are formed of heat conducting material with an upper solar energy exposed surface covered with a radiant heat absorbing material havin... | 03/15/1977 |
| 3999536 | Solar energy absorber plate having a breather tube A solar heat collector has a breather tube provided on the absorber plate to provide communication between the ambient air and air in the airspace of the collector through desiccant material. In this manner, the air pressure in the airspace is equalized t... | 12/28/1976 |
| 3952725 | Solar water heater A solar water heater and method of constructing same, the heater being of the type in which the sun penetrates one or more panes of light-transmitting material and impinges on a blackened layer of soft-tempered conductive foil on which are disposed condud... | 04/27/1976 |
