B H Thermal Corporation

Michael J Neal

Daniel Robert Smith

Doug Dietz

Lisa Bieker

A gas cylinder includes a cylindrically-shaped main wall having a liner, a facing and insulation located between the liner and the facing. First and second electric, self-regulating heating elements are positioned between the liner and the insulation. The liner is provided with first and second pockets and the first and second heating elements are located within the pockets. The first heating element has a higher wattage density than the second heating element and the first heating element is located below the second heating element. A sealed conduit enclosure contains a terminal block connecting a power input cable to the first and second heating elements. A planar top wall is located at the top of the main wall and has an opening for passage of a regulator of the gas cylinder.

Gas cylinder warmer with variable wattage self regulating heater

A heating jacket for use on a processing vessel includes a flexible heater jacket having a plurality of layers, a flexible heating element positioned within the layers, and a thermostat positioned within the layers and electrically connected to the heating element for regulating the heating element. An access opening is formed in at least one of the layers to provide access to the thermostat positioned within the layers. An access cover includes a pivotable inner cover which selectively covers the access opening and an outer cover which selectively covers the inner cover. A mounting bracket of the thermostat extends below a pair of parallel flexible strips to secure the thermostat to the layers whereby the thermostat is readily replaceable in the field.

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Hilliard, OH, United States of America

Michael J Neal