George Helmholz

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Covelo, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Two-axis tracking Fresnel lens solar oven and stove
- Patent number 9,054,252
- Issue date Jun 9, 2015
- Bingwu Gu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Two-axis tracking parabolic reflector solar oven and stove
- Patent number 8,933,323
- Issue date Jan 13, 2015
- Bingwu Gu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
TWO-AXIS TRACKING FRESNEL LENS SOLAR OVEN AND STOVE
- Publication number 20150226455
- Publication date Aug 13, 2015
- California Sunlight Corporation
- Bingwu Gu
- F24 - HEATING RANGES VENTILATING