Matches 101 - 140 out of 140 < 1 2 3
Match Document Document Title
3990635 Window mounted solar heating unit  
Spaced apart overlying inner and outer transparent sheets extend across a window opening in an outside wall of a room, to define an air space having no communication with the outside but which...
3976244 Adjustable air volume regulator having thermal motor actuator for effecting adjustment  
An apparatus for adjustably controlling the flow of air in an air conditioning system and comprising a regulator having flow control means movable in response to fluctuations in the pressure of the...
3967779 Air mixing valve having a thermal motor actuator for effecting adjustment  
A mixing valve for mixing airstreams in an air distributing system including a housing having first and second air inlet passages therein for receiving respective airstreams of different...
3946521 Ventilated plant protector  
A plant protector having an elongated housing side wall opening over which is movably mounted a closure panel, the panel being pivoted on the housing at one end of the opening and being connected...
3848799 CEILING AIR DIFFUSER  
A ceiling air diffuser of the elongated slot type, with thermostatically controlled pneumatically positioned air flow control vanes to produce a variable volume modulated conditioned air supply.
3847066 INLET GRILL  
An inlet grill for spraying gases with varying temperature and/or speed comprising ribs or the like variable at angle in relation to temperature and/or speed of supplied gas. Preferably the ribs...
3836073 HEATING, COOLING AND VENTILATING GRILLS  
The invention herein disclosed is concerned with a temperature controlled air ventilation outlet grill. The grill comprises a frame in which are mounted a plurality of pivoted louvres biased...
3743180 HEAT EXCHANGER SYSTEM AND METHOD AND PARTS THEREFOR OR THE LIKE  
A heat exchanger system having a flow path for heat exchanger treated air of one condition thereof to be directed to an area that is to be conditioned by heated air and having damper means therein...
3645108 AIR DAMPER CONTROL FOR REFRIGERATORS  
A refrigerator has a frozen food compartment maintained at subfreezing temperatures and a food-cooling compartment maintained at temperatures above freezing by circulation of chilled air through...
3643862 AUTOMATIC DAMPER ON REGISTER FOR COMBINATION HEATING-COOLING SYSTEM  
An airflow-controlling damper mechanism consisting of a fixed frame in which a damper flap frame is rotatably mounted. The flap frame has damper segments pivoted therein on radial axes. A drive...
3599865 THERMOHYDRAULIC CONTROL DEVICE  
A thermohydraulic control device for a ventilation or air supply damper consisting of a hydraulic motor, comprising a cylinder in which a plunger piston is movably disposed, the volume of the...
3570384 SMOKE AND FIRE ISOLATION DEVICE  
A device for the isolation of smoke and fire in a ventilation system, in which an impervious box is interposed in the ventilation duct. The box has a pair of laterally offset openings in opposite...
3528606 TEMPERATURE RESPONSIVE FOUNDATION VENTILATOR  
3447747 FLUID SYSTEM AND CONTROL THEREFOR,AND METHOD  
3436016 TEMPERATURE RESPONSIVE VENTILATOR WITH COILED LEAF SPRING  
3403472 TEMPERATURE CONTROLLED CLOSURE  
3378199 Register for heating and air conditioning  
3368756 Temperature responsive ventilator  
3363536 Thermostatic control assembly for air conditioning systems  
3330202 Air circulation control means  
3303772 Louvered shutter having improved control means  
3298298 Grille device in air-conditioning  
3288370 Fluid system and control device therefor or the like  
3174422 Air-flow control means  
3165999 Ventilating grille and temperature responsive damper actuating means  
3103158 Ventilating device  
3095147 Winter front for automotive radiators  
3088673 Temperature regulated chamber  
3073525 Automatic ventilator for buildings  
3068776 Air distribution apparatus  
3028800 Automatic airflow control  
3027090 Automatic roof ventilator control  
3001745 Automatic shut-off valves  
2998921 Thermostatic ventilation button for orthopedic devices  
2975975 Automatic ventilators  
2958207 Air cooling system  
2902262 Temperature regulating tube shield  
2814977 Ventilator control device  
2781978 Temperature regulator for room heating  
2779164 Refrigerating apparatus for an automobile  
Matches 101 - 140 out of 140 < 1 2 3