|
US2791650A
|
|
All-position rotary jet switch
|
|
US2810045A
|
|
Thermostat
|
|
US2799749A
|
|
Horizontal type thermostat
|
|
US2813683A
|
|
Combination hot water heating and room heating system
|
|
US2799750A
|
|
Thermostat
|
|
US2811854A
|
|
Low deflection mass flowmeter
|
|
US2782273A
|
|
Single-pole, multi-contact mercury jet switch
|
|
US2753930A
|
|
Electric igniter
|
|
GB770780A
|
|
Gyroscopic flowmeter
|
|
US2813423A
|
|
Gyroscopic mass flowmeter
|
|
US2748224A
|
|
Control device
|
|
US2785253A
|
|
Control device
|
|
US2790457A
|
|
Float arm locking means
|
|
US2808224A
|
|
Slow-opening fuel control valve
|
|
US2774057A
|
|
Magnetic modulator
|
|
US2805025A
|
|
Heating and cooling control valve
|
|
US2755852A
|
|
Control devices
|
|
US2727106A
|
|
Control device
|
|
US2742232A
|
|
Control device
|
|
US2776796A
|
|
Heating and cooling control valve
|
