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| Number | Title | Issue Date |
| 5532456 | Temperature and humidity controllable doorless oven Disclosed is a temperature and humidity controllable doorless oven for cooking, warming and storing food products for extended periods of time. The oven includes a cabinet having interior walls and exterior walls which form an air duct between the walls. ... | 07/02/1996 |
| 5385043 | Contamination measurement apparatus A contamination measurement apparatus for determining a level of particulate contamination in a fluid. The apparatus includes a filter for passing a fluid therethrough. A volume indicator produces movement of a test piston in response to the fluid passing... | 01/31/1995 |
| 5285736 | Pressure relief apparatus for a vessel A pressure relief door for an enclosed vessel such as a combustion chamber for an incinerator. The door is pivotally attached to the combustion chamber and is movable between a closed position wherein it confronts and seals a vent duct attached to the cha... | 02/15/1994 |
| 5090651 | Gas curtain additives and zoned tunnel for soldering A tunnel enclosure has a fluid barrier curtain at an entry and an exit and provides an apparatus for soldering an element. The fluid barrier curtains permit an additive, such as a soldering aid or the like to be included with the fluid at the curtain. Mor... | 02/25/1992 |
| 5048636 | Low noise wallbox for sootblower A sootblower wallbox assembly for decreasing noise emissions during the cleaning of a heat exchanger apparatus. In particular, the invention relates to a wallbox assembly containing a number of reverberant chambers exhibiting varying attenuation character... | 09/17/1991 |
| 4683868 | Wood burning stove having glass cleaning system A wood stove with glass panels for viewing of the fire therein includes a glass cleaning system with a number of features which in combination effectively prevent soot and creosote buildup. A uniform curtain of hot air is directed downwardly over the glas... | 08/04/1987 |
| 4449922 | Reheat furnace drop out door seal A discharge door assembly for a reheat pusher furnace having a drop out slope includes a refractory lined main frame, a hood extending out from the main frame, a fluid plenum extending substantially the length of the door beneath the hood and a plurality ... | 05/22/1984 |
| 4448616 | Process for reducing backmixing This invention relates to a process for substantially reducing the backmixing or backflow of gases into metal heat treating furnaces by the use of a particular gas jet and a defined flow rate.... | 05/15/1984 |
| 4308809 | Solid waste disposal system A method of operating a waste disposal system for the thermal conversion of municipal and industrial solid wastes into essentially pollution free products of combustion is disclosed. The waste disposal system includes a building enclosure having an interi... | 01/05/1982 |
| 4193354 | Solid waste disposal system A waste disposal system for the thermal conversion of municipal and industrial solid wastes into essentially pollution free products of combustion is disclosed. The waste disposal system includes a building enclosure having an interior storage area for ac... | 03/18/1980 |
| 4168785 | Scanner mounting system for tangential fired boiler A flame-sensing system for a tangentially fired broiler in which a plurality of scanners are positioned on the side walls of the combustion chamber adjacent respective burners, and oriented to sight the flame from the respective burners, rather than the c... | 09/25/1979 |
| 3933595 | Oven door fume collection system Apparatus adapted to reduce emissions from the doors of coke ovens and the like includes a separate fume collecting hood positioned above each oven door, manifolds connected therewith and with a suction fan and gas cleaner, a valve in each hood, a series ... | 01/20/1976 |
