| 2904666 | Electric space heaters | |||
| 2899529 | N/A | |||
| 2866070 | Grill and support for electrical heater | |||
| 2861167 | Reversible electric fin-type baseboard heater | |||
| 2815431 | Convection heating unit | |||
| 2799763 | N/A | |||
| 2782007 | Baseboard radiator | |||
| 2733049 | N/A | |||
| 2722403 | Convector heating surface with diffusing damper | |||
| 2670935 | Radiator hanger | |||
| 1902074 | Electric house heater | |||
| 1664171 | Electrical baseboard heater |
| GB458569A | ||||
| CA493933A |