US Patent 10139527 Concentrator fresnel lens with varying draft angle
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Patent abstract
The present invention relates to a Fresnel lens and a respective mold, the lens comprising a plurality of draft facets, wherein the draft angle of the draft facets has at least two different angular values for two different draft facets, in particular, wherein the draft angle is bigger for a draft facet closer to the edge of the lens or, respectively, of the mold, than for a draft facet closer to the center of the lens or, respectively, of the mold.
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Patent Inventor Names
Andreas Gombert0
Martin Neubauer0
Edits on 26 Sep, 2022
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Patent Jurisdiction
Patent Number
101395270
Date of Patent
November 27, 2018
0Patent Application Number
144260080
Date Filed
September 10, 2013
0Patent Primary Examiner
Edits on 23 Jan, 2022
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US Patent 10139527 Concentrator fresnel lens with varying draft angle
Infobox
Is a
Patent jurisdiction
Patent number
10139527
Date of patent
November 27, 2018
Patent application number
14426008
Date Filed
September 10, 2013
Patent primary examiner
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