| 2648202 | Humidity regulating apparatus | |||
| 2513644 | Heat exchanger | |||
| 2475841 | Air conditioning unit | |||
| 2369511 | Refrigerating apparatus | |||
| 2342566 | N/A | |||
| 2304359 | Refrigerating apparatus | |||
| 2293718 | Air conditioning apparatus | |||
| 2285075 | Air conditioning apparatus | |||
| 2277247 | Apparatus for multiple room heating and air conditioning | |||
| 2234753 | Heat exchange apparatus | |||
| 1974317 | Refrigerating machine | |||
| 1672086 | Condenser for refrigerating apparatus | |||
| 1589412 | Air-cooled condenser for refrigerating machines |