| 1782689 | Refrigerating apparatus | |||
| 1969187 | Heat balancing system | |||
| 2065481 | Heating system | |||
| 2167878 | Air conditioning system | |||
| 2241070 | Heat pump system | |||
| 2311579 | Solar heater | |||
| 2316191 | Solar heater | |||
| 2396338 | Radiation heating and cooling system | |||
| 2415338 | Refrigeration system and expansion valve therefor | |||
| 2425797 | Heating system | |||
| 2433574 | Hot gas defrosting | |||
| 2461449 | Heat pump using deep well for a heat source | |||
| 2467885 | Solar heater for heating liquids | |||
| 2469496 | Condition control system | |||
| 2474304 | Reversible cycle heat pump | |||
| 2475556 | Refrigeration system, including valve controls | |||
| 2481348 | Air-conditioning apparatus with defrosting means | |||
| 2481469 | Refrigerating system | |||
| 2484127 | Heat exchange system | |||
| 2490983 | Heat pump | |||
| 2498861 | Reverse cycle refrigerating system | |||
| 2503456 | Heat pump | |||
| 2513373 | Heat pump system | |||
| 2529154 | Heating system | |||
| 2529378 | Thermostatic valve with multiple override | |||
| 2534031 | Defrosting system for refrigerators | |||
| 2559869 | House structure and heating system therefor |
| CH59350A |