| 219 / | HD | ELECTRIC HEATING |
|
| 200 | DF | HEATING DEVICES {14} |
| 385 | DF | .~ Combined with container, enclosure, or support for material to be heated {12} |
| 443.1 |  | .~.~ Exposed horizontal planar support surface for material to be heated (e.g., hot plate, etc.) {13} |
| 444.1 | DF | .~.~.~> Material is an electronic semiconductor device |
| 445.1 | DF | .~.~.~> With indicator |
| 446.1 | DF | .~.~.~> Having sensor {2} |
| 449.1 | DF | .~.~.~> Heating by convection |
| 450.1 | DF | .~.~.~> For direct contact with food (e.g., grill, griddle, etc.) |
| 451.1 | DF | .~.~.~> Having support for a heating unit {5} |
| 457.1 | DF | .~.~.~> Having direct manually actuated electrical switch |
| 458.1 | DF | .~.~.~> Having electrical connection {1} |
| 460.1 | DF | .~.~.~> Heating element gapped from underside of the exposed horizontal support surface (e.g., ceramic plate, radiation-type, etc.) {2} |
| 463.1 | DF | .~.~.~> Formed by tubularly shaped heating unit {1} |
| 465.1 | DF | .~.~.~> Heating element contacting planar underside of the exposed horizontal planar support surface (e.g., sheet metal, etc.) {2} |
| 468.1 | DF | .~.~.~> Heating element is embedded in the exposed horizontal planar support surface |
| 468.2 | DF | .~.~.~> Heating element is in a groove formed on underside of the exposed horizontal planar support surface (e.g., cast metal plate, etc.) |