(Based on Use in Commerce) Apparatus for converting electronic radiation to electrical energy, namely, photovoltaic cladding panels; Apparatus for converting electronic radiation to electrical energy, namely, photovoltaic roofing members; Apparatus for converting electronic radiation to electrical energy, namely, photovoltaic solar hybrid modules; Apparatus for converting electronic radiation to electrical energy, namely, photovoltaic thermal hybrid module; Apparatus for converting electronic...

Air Ducts Used for Solar Collectors