|
US1424664A
|
|
Cooling system for internal-combustion engines
|
|
US1236854A
|
|
Steam generation and utilization.
|
|
US1483902A
|
|
Thermostatic valve
|
|
US1203222A
|
|
Car-heating system.
|
|
US1452748A
|
|
Automatic temperature-controlling means
|
|
US1274066A
|
|
Heat-regulator.
|
|
US1366473A
|
|
Expansible and collapsible element for thermostatic and pressuresensitive devices
|
|
US1099855A
|
|
Diaphragm.
|
|
US1098815A
|
|
Steam-heating apparatus.
|
|
US988727A
|
|
Heating apparatus.
|
|
US1061679A
|
|
Hot-blast heating system.
|
|
US851363A
|
|
Heating system.
|
|
US988725A
|
|
Thermostatically-controlled heating system.
|
|
US954532A
|
|
Heating system.
|
|
US963007A
|
|
Process of regulating heating devices.
|
|
US893339A
|
|
Process of regulating heating systems.
|
|
US802766A
|
|
Process for heating apartments, &c.
|
|
US988726A
|
|
Heating apparatus.
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