With Means To Convey Fluent Medium Through Collector Patents (Class 126/634)
- Surrounded by transparent enclosure (Class 126/652)
- Having heat-absorbing fin or plate (Class 126/658)
- Plural conduits (Class 126/663)
- Rectangular metallic conduit (Class 126/666)
- Rectangular nonmetallic conduit (Class 126/668)
- Circular metallic conduit (Class 126/670)
- Circular nonmetallic conduit (Class 126/672)
- Absorber having extended surface (Class 126/674)
- Particular absorber material (Class 126/676)