Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7299591 | Solar thermal roofing An external building surface formed by at least one of a roof and a wall, the external building surface comprising a plurality of battens spaced apart to define a plurality of transverse courses, a plurality of tiles supported by the battens in the courses defined t... | 11/27/2007 |
| 7194963 | Ceramic fiber block reflector system The present invention utilizes radiation reflectors on the refractory wall of a fired furnace opposite the spaces between adjacent tubes. The refractory radiation reflectors have a base contiguous with the refractory surface and secured to a subjacent structure, and... | 03/27/2007 |
| 7107984 | Collector module A collector module (1) is described with a collector manifold (20) having two chambers. This collector module (1) has at least one collector tube (2), which has an absorber tube (4) and a tubular jacket (3). A connector (... | 09/19/2006 |
| 7013887 | Absorber pipe for solar heating applications The absorber pipe (1), especially for a parabolic collector for a solar heat collecting apparatus, is described. The absorber pipe (1) includes central metal pipe (3), a glass sleeve tube (2) surrounding the nine so that an annular space ... | 03/21/2006 |
| 5862800 | Molten nitrate salt solar central receiver of low cycle fatigue 625 alloy This invention provides a molten salt, solar central smooth tube receiver that is able to effectively absorb a peak solar flux of 1.42 MW/M2 by constructing the receiver from low cycle fatigue 625 alloy. Although higher flux levels are attainab... | 01/26/1999 |
| 4577620 | Hemispheric solar panel A multiple array of hemispheric lenses which focus solar rays onto heat-absorbing metal spheres embedded inside the lenses, and a conduit formed by the hemispheric lenses, a glass plate mounted above the lenses and two opposed parallel vertical side walls... | 03/25/1986 |
| 4528978 | Solar rocket absorber A solar rocket absorber of rhenium tubes is used to provide heated liquid hydrogen to a thruster. The rhenium tubes are wrapped in a closed shape having an opening for receiving solar radiation for heating the liquid propellant. The vessel of rhenium tube... | 07/16/1985 |
| 4523578 | Solar radiation collector In a solar radiation collector comprising a glass envelope 1 around an absorber plate 2 mounted on a metal tube 3 communicates with a heat exchange condenser 6, the glass envelope is sealed around the metal tube using an intermediate metal collar 4. The c... | 06/18/1985 |
| 4413617 | Solar collector module A frame for supporting a parallel array of a plurality of tubular glass solar energy collectors. A transverse manifold, which extends perpendicularly to all the collector tubes, supports one end of each tube and serves also to direct the flow of the heat ... | 11/08/1983 |
| 4380995 | Solar energy converters and absorbers therefor Solar energy converters convert solar radiation into usable heat energy by means of a reflector which collects and focuses the solar radiation onto an absorber provided with an internal chamber through which a heat exchange fluid may be passed. As the abs... | 04/26/1983 |
| 4373515 | Solar collector A hollow cylindrical energy accumulator having a helically encircling fluid circulating conduit is exposed to direct solar radiation and to radiation redirected by an arcuate reflector.... | 02/15/1983 |
| 4364374 | Heat-absorbent panel for solar energy and sloping roof composed of such panels A panel that absorbs solar energy is emplaced as a conventional inclined roof tile with an appearance comparable to that of a tile roof, and comprises a metallic or non-metallic tile which has at least one raised portion (4) that collects heat. A seat is ... | 12/21/1982 |
| 4307711 | Sun tracking solar energy collector system A sun tracking solar energy collector system comprising a plurality of light focusing elements disposed side by side in the form of a surface array, providing a linear array of foci; and a metallic heat exchanger tube having externally a high absorbtivity... | 12/29/1981 |
| 4259946 | Solar collector An improved construction for a solar collector within a cylindrical container. The collector is a split cylindrical metal sleeve held inside another cylinder by the expansion action of a spring clip. The spring clip also expands the split sleeve so a pipe... | 04/07/1981 |
| 4205654 | Solar energy unit A solar energy collection device, the present invention provides a transparent housing formed in the shape of a pyramid, a fluid being directed through the interior of the pyramid for absorption of heat energy concentrated within the interior of said pyra... | 06/03/1980 |
| 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 |
| 4178910 | Solar collector and system for mounting a plurality of solar collectors on a surface The invention involves solar energy collecting units and a system for mounting such units on a support surface. Each unit has a solar radiation collecting panel through which a heat transferring fluid such as water can pass. Each panel can be connected to... | 12/18/1979 |
| 4172441 | Solar heat collector panel and method of forming same A solar heat collector panel comprising a flat spiral coil of pipe (preferably plastic) having an inlet at the inside and outlet at the outside, the inlet conduit extending out behind the coil. A plurality of approximately radial ribs is attached behind t... | 10/30/1979 |
| 4151828 | Solar energy collection tube A cylindrical metal tube is provided with an outer transparent jacket, the jacket being spaced apart from the tube by bushings at each end and sealed therewith by means of o-ring type elastomeric seals positioned in grooves in the bushings. The intermedia... | 05/01/1979 |
| 4142514 | Solar heat collector A solar collector utilizing elongated channel-shaped reflector members which comprise modified parabolas in cross-section to reflect sun rays onto straight sections of a tubular conductor of heat-transfer fluid located substantially along the focal lines ... | 03/06/1979 |
| 4122832 | Solar collector A solar collector is described comprising an extrusion, preferably of cellular plastics material, having a longitudinally extending recess and a metal absorber sheet thereover, a tube disposed within the recess in contact with the metal absorber sheet, an... | 10/31/1978 |
| 4094300 | Solar heat collector A solar heat collector having a collector element made from interconnected tubular members, each of which is provided with a transverse baffle, the baffles have openings forming spillways over which heat exchanging liquid passes. The collector element is ... | 06/13/1978 |
| 4088116 | Radiant energy collector A radiant energy collector is described having a generally scroll-shaped configuration and exhibiting a hemispheric energy acceptance angle. Substantially all diffuse and direct radiant energy which is incident on a reflective surface of the collector is ... | 05/09/1978 |
| 4060071 | Solar collector for solar heating systems A solar heating system includes a solar collector comprising a continuous length of copper tubing coiled into a helical array of closely adjacent turns and supported within a sealed housing. The outer turns of the array are fabricated of tubing having a g... | 11/29/1977 |
| 4059094 | Solar energy collector apparatus Solar collector energy apparatus is disclosed which includes a parabolic reflective surface or parabolic mirror for receiving solar radiation and for focusing the radiation to a pipe disposed at a focal point of the mirror collector, and the pipe is also ... | 11/22/1977 |
| 4023557 | Solar collector utilizing copper lined aluminum tubing and method of making such tubing Low cost solar collector panel utilizes surface mounted tubing in which the inner wall portion of the tubing is copper to permit the use of untreated water in the system. The outer wall portion of the tubing is aluminum which provides additional strength ... | 05/17/1977 |
| 3964464 | Solar radiation collector and concentrator A device is described for concentrating solar radiation upon the surface of a helicoidal tube assembly containing a circulating heat transfer medium whereby the energy of said radiation may be collected and utilized. The device consists of a rectangular c... | 06/22/1976 |
