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Class 432/188 - Work chamber indirectly heating by common wall or connecting flue


Subclass of Class 432 - Heating
Definition: Apparatus in which (1) a wall common to the two chambers
No. of patents: 6
Last issue date: 05/17/1994


NumberTitleIssue Date
5312246Heating and conveying apparatus
An apparatus for heating and conveying a granular material is disclosed, and which comprises an elongate trough, and a framework mounting a plurality of transverse blades mounted above the trough. The framework is moved along a closed path of travel so th...
05/17/1994
4767562Enzymatic liquid detergent composition
The invention relates to an aqueous, enzymatic liquid detergent with improved enzyme stability. By inclusion of a specific type of preservative of the isothiazolinone type, the rate of enzyme deactivation is significantly retarded....
08/30/1988
4455285Heat treatment of material
A method for heat treating a material such as gypsum mineral, consists in burning a fuel in a combustion bed which is in heat exchange contact through bounding walls with beds of the material to be heated. Combustion gases are passed from the combustor th...
06/19/1984
4383821Automatic shutoff for sulfur melter apparatus
A device for automatically shutting off a sulfur melter when its supply of sulfur is exhausted or when sulfur bridging has occurred is disclosed. The shutoff uses a temperature value sensed at the top of the melter's sloping melter bottom and shuts the he...
05/17/1983
4383823Radiant oven for baking bread
This invention provides an oven to produce a desired baking effect while simultaneously providing the bread with a desirable brown coloration in both its top and bottom surfaces. A unique feature of this oven is the provision of a top radiant refractory a...
05/17/1983
4278422Diffusion tube support collar
A collar for supporting and positioning a diffusion tube in a furnace used in the manufacture of semiconductors, integrated circuits and the like, is disclosed. The collar has a resilient core and an outer cover enclosing the core. The core and the cover ...
07/14/1981
 
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