Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 6916352 | Method of preventing air bypass in a filter bank and a filter assembly A method of preventing air bypass in a filter bank and a filter assembly in accordance with the teachings of the method. Filter panels are inserted through an access opening of a filter bank. As the filter panels are inserted they are connected in side by side relat... | 07/12/2005 |
| 6389994 | Furnace with front panel assembly The invention is directed towards a front panel assembly for receiving air to be conditioned by a manufactured home furnace. The front panel assembly comprises molded panels allowing for a greater amount of open louver area, improved appearance, and impro... | 05/21/2002 |
| 6276307 | Heating apparatus, housing and stand A boiler apparatus is provided with a forwardly-opening hinged door. To open the door, the top of the door is moved away from the housing and toward the technician. One or more hinges may be located at the bottom of the door. Since the door does not open ... | 08/21/2001 |
| 6125773 | Cable system for operating furnace doors A cable system for raising and lowering a door of an industrial furnace utilizes a pair of vertically extending cables having lower ends connected to the door and upper ends connected to shaft-carried sheaves that are rotated concurrently to cause upper p... | 10/03/2000 |
| 4667607 | Heating A heating appliance having which a viewport through which combustion can be viewed incorporating a portion which is reflectorized to reflect some of the radiant heat of the burning fuel in the fire chamber back into the fire chamber to maintain high tempe... | 05/26/1987 |
| 4593629 | Solid fuel stoker A tunnel shaped stoker hearth comprises a lower U-shaped portion (42) made conventionally as a double walled steel construction having injection holes (46) for combustion air in the inner wall thereof, and a top portion (48), which is made of a ceramic ma... | 06/10/1986 |
| 4503784 | Door closure assembly for incinerators, furnaces, and ovens A closure arrangement for an incinerator or cremator in which the door and the opening in the incinerator are complementary wedge-shapes is described. The door can be automatically lowered by a hydraulic actuator to close the opening by a wedging action i... | 03/12/1985 |
