| 3317709 | Electric griddle | |||
| 2777927 | Multiple electric heater assembly | |||
| 2526906 | Heating roller | |||
| 2499961 | Electric heating unit | |||
| 2481554 | Thermoplastic film heat sealing element | |||
| 1994676 | Electrical heating unit | |||
| 1415550 | Electric heating apparatus | |||
| 1110532 | N/A |
| FR927185A |