Ground freezing method

Heat dissipating device for transistor with outwardly extending

Heat dissipator for a dual in line integrated circuit package

Heat dissipator for semiconductor devices

Heat exchanger

Heat pipe type cooling apparatus for semiconductor

Heat sink and method of attaching heat sink to a semiconductor i

Heat sink apparatus

Heat sink apparatus with an air deflection member

Heat sink for electronic circitry

Heat sink mechanism hydraulically propelled into contact with se

Heat sink mounting for controlled rectifiers

Heat sink with parallel flat faces

Heated mats for melting snow and ice from outdoor surfaces

Heating and cooling system using ground air

Heating/air conditioning system for a motor vehicle with absorpt

High power semiconductor device cooling apparatus and method

Index mounting unitary heat sink apparatus with apertured base

Liquid cooler for semiconductor power elements

Low temperature steam generator