Hydraulic heating apparatus
Method and apparatus for controlling forced air heating and/or c
Method and means for improved air distribution
Method for mixing fluids
Mixing valve
Motor operated fire damper
Mounting assembly for air conditioning terminals
Multiple port multiple temperature thermally responsive valve
Passive pulse generator and method for activating a fitting...
Passively ambient temperature actuated fluid valve
Personal environmental module
Portable fan device for forced air heating
Portable fan device for forced air heating
Pressure independent control for air distribution system
Regulation of atmospheric conditions within a confined space
Selective zone isolation for HVAC system
Selective zone isolation for HVAC system
Shape memory alloy actuator
System for displaying information aboard a moving object
Temperature actuated valve and phase separation method