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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 |
| 7380549 | Solar energy concentrator for power plants A solar concentrator includes a mirror 24 having a frame 27 connected with a lever 55, a train 36 supporting the frame 27 and the lever 55, a first control cable 28 connected with the frame 27, and a second con... | 06/03/2008 |
| 7369735 | Apparatus for the collection and transmission of electromagnetic radiation A collector for propagating incident radiation to a remote location. The collector comprises, a light directing component coupled to a buffer component, a first propagation component coupled to the buffer component and configured to transmit the incident radiation i... | 05/06/2008 |
| 7354168 | Facet mirror having a number of mirror facets A facet mirror (10) is provided with a number of mirror facets (11), in which the mirror facets (11) respectively have a spherical or conical facet body (17) with a reflecting surface (12). The side of the facet body (17) av... | 04/08/2008 |
| 7340899 | Solar power generation system An economical solar generator system is provided wherein the solar energy collector is constructed from a plurality of heat exchangers of the kind used as evaporators in automobile air conditioners. The solar generator system includes a plurality of said heat exchan... | 03/11/2008 |
| 7337843 | Solar blackbody waveguide for solar assisted oil recovery applications A method to enhance oil shale, oil sand, asphaltic crude oil, or other high viscosity crude oil production by using a solar blackbody waveguide to heat these formations in situ. A parabolic mirror collects and directs the solar flux into a vertical shaft of a well d... | 03/04/2008 |
| 7231128 | Hybrid solar lighting systems and components A hybrid solar lighting system and components having at least one hybrid solar concentrator, at least one fiber receiver, at least one hybrid luminaire, and a light distribution system operably connected to each hybrid solar concentrator and each hybrid luminaire. A... | 06/12/2007 |
| 7192146 | Solar concentrator array with grouped adjustable elements A ground-based tracking heliostat array comprises a first plurality of elongate row mounts. The elongate row mounts are positioned at least partially between, and are supported by, a first side bracket and a second side bracket. The row mounts are rotatable in a fir... | 03/20/2007 |
| 7164839 | Electromagnetic radiation collector and transport system The present invention includes a radiation collector configured to collect incident radiation. The radiation collector includes a radiation directing component configured to redirect the incident radiation, a buffer component configured to receive the radiation redi... | 01/16/2007 |
| 7126730 | Electro-holographic lens An electro-holographic lens device comprising: an active layer made from a transparent photo-refractive material, whose refractive index may be locally modified by locally applying an electric field; an array of electrodes in a predetermined density, provided adjace... | 10/24/2006 |
| 7081584 | Solar based electrical energy generation with spectral cooling Method and system for converting solar energy into electrical energy utilizing serially coupled multijunction-type photovoltaic cells in conjunction with a form of spectral cooling. The latter cooling is carried out by removing ineffective solar energy components fr... | 07/25/2006 |
| 6945660 | Device for capturing and emitting radiations The disclosure is a radiation collecting/emitting device to/from different spatial directions, the apparatus in the preferred design is manufactured in a single piece and the work surface is modified to obtain a reflective surface for the radiations of interest. In ... | 09/20/2005 |
| 6899097 | Solar blackbody waveguide for efficient and effective conversion of solar flux to heat energy A solar blackbody waveguide that captures and uses sunlight to heat a thermal working or heat transfer fluid. Solar cell arrays capture the sunlight. The arrays are movably mounted on solar towers to track the daily movement of the sun and to maintain the proper ang... | 05/31/2005 |
| 6857426 | Absorber element for solar high-temperature heat generation, and a method for its production The present disclosure relates to an absorber element for solar high-temperature heat generation. The absorber element includes a light focusing unit, an outer tube composed of a translucent material and an absorber which is arranged in the absorber element. The abs... | 02/22/2005 |
| 6708687 | Thermally controlled solar reflector facet with heat recovery A method and high concentration central receiver system provide improved reflectors and a unique heat removal system. The central receiver has a plurality of interconnected reflectors coupled to a tower structure at a predetermined height above ground for reflecting... | 03/23/2004 |
| 6691701 | Modular solar radiation collection and distribution system A solar radiation collection and distribution system includes a solar collection system which includes a primary reflector, a secondary reflector and a planar reflector. The focal points of the primary and secondary reflectors are offset by the same numbe... | 02/17/2004 |
| 6668820 | Multiple reflector solar concentrators and systems The present invention relates to multiple reflector light or solar energy concentrators and systems using such concentrators. More particularly, the invention is concerned with an arrangement of optical elements for the efficient collection of light while... | 12/30/2003 |
| 6666207 | Solar energy concentrator and converter A solar energy concentrator (1) is formed in the shape of a spiral horn, so that solar energy incident over a wide range of incident angles on the mouth (2) of the horn is concentrated by multiple reflections from inner walls (5) of the horn to emerge fro... | 12/23/2003 |
| 6620995 | Non-imaging system for radiant energy flux transformation A non-imaging energy flux transformation system including a concentrator incorporating a set of nested, ring-like, concave reflective elements, and a receiver. The system efficiently concentrates radiant energy, such as sunlight, by means of focusing the ... | 09/16/2003 |
| 6604436 | Ultra-accelerated natural sunlight exposure testing facilities A multi-faceted concentrator apparatus for providing ultra-accelerated natural sunlight exposure testing for sample materials under controlled weathering conditions comprising: facets that receive incident natural sunlight, transmits VIS/NIR and reflects ... | 08/12/2003 |
| 6603069 | Adaptive, full-spectrum solar energy system An adaptive full spectrum solar energy system having at least one hybrid solar concentrator, at least one hybrid luminaire, at least one hybrid photobioreactor, and a light distribution system operably connected to each hybrid solar concentrator, each hyb... | 08/05/2003 |
| 6557804 | Rotating solar concentrator A non-imaging solar concentrator having a primary concentrator and a turntable. The primary concentrator is mounted to the turntable such that it is rotatable about a turntable axis and a secondary axis that is orthogonal to the turntable axis. Rotation o... | 05/06/2003 |
| 6541694 | Nonimaging light concentrator with uniform irradiance A nonimaging light concentrator system including a primary collector of light, an optical mixer disposed near the focal zone for collecting light from the primary collector, the optical mixer having a transparent entrance aperture, an internally reflectiv... | 04/01/2003 |
| 6532953 | Geometric dome stowable tower reflector A geodome tower reflector for a beam down optics solar power system has three equidistantly spaced tower assemblies. A geodome reflector assembly is movably mounted to the plurality of tower assemblies for vertical movement along the plurality of tower as... | 03/18/2003 |
| 6530369 | Solar energy plant A solar radiation concentrating system (1) comprises at least two reflectors (12, 16) successively arranged along an optical path (4) of the system (1) so that a first (12) of the two reflectors (12, 16) reflects the radiation towards a second (16) of the... | 03/11/2003 |
| 6469241 | High concentration spectrum splitting solar collector A solar concentrator includes high concentrating reflective or refractive optics concentrating collected solar light along a first axis and includes spectrum splitting reflective or refractive optics splitting collected solar light along a second axis for... | 10/22/2002 |
| 6425391 | Electromagnetic radiation collector system A collection device for capturing and transmitting electromagnetic radiation utilizing a reflector having a concave reflecting surface for concentrating electromagnetic radiation to a focal point. The reflector also includes an opposite surface, a flexibl... | 07/30/2002 |
| 6415783 | Solar energy receiver assembly Solar energy receiver having two or more regions for acceptance of solar radiation, and a means for splitting the solar radiation into two or more wavelength bands. A different band of radiation is incident upon each of the regions. At least one of the re... | 07/09/2002 |
| 6349718 | Device for heating with solar energy Device for heating with solar energy, which device contains at least one mirror construction (1) which is mounted on a frame (3) in a movable manner and which be directed towards the sun, and at least one collector (4) extending parallel to the mirror con... | 02/26/2002 |
| 6336452 | Solar powered fluid heating system A solar powered fluid heating system for providing a user with a cost and energy saving advantage when heating fluids includes a solar dish which includes a mirrored concave surface. A power head assembly coupled to the solar dish by a support pole extend... | 01/08/2002 |
| 6302100 | System for collimating and concentrating direct and diffused radiation A method is disclosed for collimating light energy falling randomly from myriad directions on a fixed-positioned thin flat surface. The collimated rays are then concentrated by an assembly of prismatic slabs and optical or fiber optic means to achieve lig... | 10/16/2001 |
| 6276359 | Double reflecting solar concentrator A double reflecting solar concentrator utilizing a primary parabolic reflective surface which reflects incident light toward a secondary surface. The incident light reflects off the secondary surface away from the primary parabolic surface's natural focus... | 08/21/2001 |
| 6227673 | Adjustable reflector The invention relates to an adjustable reflector having a first plate made of substantially transparent material, a second plate positioned substantially parallel to the first plate, and a reflector element rotatably mounted between the first plate and th... | 05/08/2001 |
| 6191352 | Device for projecting a defined light beam onto a photosensitive area A device for directing a defined light beam onto a photosensitive area, for testing the performance of a photovoltaic module including said photosensitive area, comprising a support structure (1) which can be turned about a vertical central axis (4) in ac... | 02/20/2001 |
| 6164786 | Electromagnetic rafiation concentrator system An array of concentrators of electromagnetic radiation (i.e., visible light, radio waves, etc.) employing one or more concentrating devices. Each concentrating device includes: a concentrator system for concentrating the incident electromagnetic radiation... | 12/26/2000 |
| 6073500 | Ultra-accelerated natural sunlight exposure testing Process and apparatus for providing ultra accelerated natural sunlight exposure testing of samples under controlled weathering without introducing unrealistic failure mechanisms in exposed materials and without breaking reciprocity relationships between f... | 06/13/2000 |
| 6042240 | Adjustable three dimensional focal length tracking reflector array A reflector for focusing sunlight upon a single location. The reflector is preferably positioned in orbit about a celestial body to focus sunlight on objects such as space debris to heat up and vaporize such debris. The reflector includes a plurality of u... | 03/28/2000 |
| 6036323 | Solar insolation concentrator, fabrication tool and fabrication process A solar insolation concentrator fabricated from a rigid lightweight (slab-like substrate and a plurality of reflectors. Inclined surfaces are formed in the face surface of the substrate, such as by impressing a heated plate portion of a fabrication tool i... | 03/14/2000 |
| 6020553 | Photovoltaic cell system and an optical structure therefor High radiation concentration photovoltaic cell system including at least one optical structure in the form of a three-dimensional body having a first surface adapted to receive thereon photovoltaic cells and a second surface to be, at least indirectly, ex... | 02/01/2000 |
| 5996943 | Device and procedure for utilizing solar energy mainly for protection against cyclones, tornados, hails etc. Method and apparatus for the utilization of solar energy with collecting units that are located in geostatic orbits. The collecting units include collecting mirrors coupled to navigation units, protecting mirrors and concentrating mirrors. Mirror arrays a... | 12/07/1999 |
| 5979438 | Sunlight collecting system A sunlight collecting system comprises an oval mirror 1 directed downwardly and provided at a given elevation, and a plurality of heliostats 5 arranged on the ground about the oval mirror 1, each heliostat having a concave mirror 13 for reflecting and con... | 11/09/1999 |
