| 126 / | HD | STOVES AND FURNACES |
|
| 569 |  | SOLAR HEAT COLLECTOR {18} |
| 570 | DF | .~> Having external damage preventer {1} |
| 572 | DF | .~> With control means energized in response to actuator stimulated by condition sensor {3} |
| 600 | DF | .~> With means to reposition solar collector for optimum radiation exposure {6} |
| 609 | DF | .~> With auxiliary heat source for fluent medium {7} |
| 617 | DF | .~> With heat storage mass {3} |
| 621 | DF | .~> Solar collector forms part of building roof {1} |
| 623 | DF | .~> Solar collector supported on existing roof structure |
| 624 | DF | .~> Rollable or foldable collector unit of nonrigid material {2} |
| 627 | DF | .~> Foldable collector unit of rigid material |
| 628 | DF | .~> Including means to utilize fluent medium from collector to heat interior of building {2} |
| 634 | DF | .~> With means to convey fluent medium through collector {7} |
| 678 | DF | .~> Particular fluent medium including radiation absorbing material {1} |
| 680 | DF | .~> Energy concentrator with support for material heated {1} |
| 683 | DF | .~> With concentrating reflector and concentrating lens |
| 684 | DF | .~> With concentrating reflector {5} |
| 698 | DF | .~> With concentrating lens {2} |
| 701 | DF | .~> Controlling solar radiation {2} |
| 704 | DF | .~> Collector housing {3} |