Did You Know...
...that the video game, Pong, was invented by a guy who graduated at the bottom of his engineering class? Nolan Bushnell spent more time running the games at a local amusement park than he did on his studies at the University of Utah. His dreams of working for Disney's amusement empire were dashed when the company wouldn't hire him. Taking a boring job, Nolan daydreamed about electronic versions of popular games. He invented Pong, the first video game, and went on to found Atari Co.
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| Number | Title | Issue Date |
| 6644300 | Portable blower heater/cooler apparatus A portable blower heater/cooler apparatus for providing 360 degrees of air-forced heat. The portable blower heater/cooler apparatus includes a base housing assembly including a base housing member being mounted upon leg members and having an opening throu... | 11/11/2003 |
| 6494199 | Multipoise furnace cabinet A multipoise furnace cabinet includes right and left sides with top and bottom plates connecting upper and lower parts of the right and left sides together. In one embodiment, top and bottom plates include vent cutouts. A side of the top plate has a first... | 12/17/2002 |
| 6474329 | Cell panel for furnace A one piece cell panel for a forced air furnace which is designed for ease of removal without the necessity of having to dismantle the furnace cabinet. The panel includes a substantially vertically disposed upper section which contains a plurality of cell... | 11/05/2002 |
| 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 |
| 6389847 | Air output unit in connection with a tempering station for glass panels, and method for manufacturing the same The invention relates to an air output unit in connection with a tempering station in a tempering plant for glass panels, and to a method for manufacturing the unit. An equipment bay (3) has its walls (32), roof (33), and floor (31) designed and dimension... | 05/21/2002 |
| 6123064 | Evolving heating concept A heating system has a modular section which can be converted to use as a store or boiler and to burn either solid or liquid and gaseous fuels. The system can be further expanded by addition of more than one module to increase the heating capacity of the ... | 09/26/2000 |
| 5494026 | Dome connecting structure of external combustion hot stove for blast furnace A connecting structure of a blast furnace hot stove of the type in which a heat accumulation chamber dome and a combustion chamber dome are directly connected to each other through a dome connecting pipe which does not have any expansion joint. The ratio ... | 02/27/1996 |
| 5429113 | Wall heater extension Presented is a wall heater or furnace extension structure for mounting in the space between a conventional wall furnace or heater and the ceiling of the room in which the wall furnace or heater are installed. The wall material normally found in this area ... | 07/04/1995 |
| 5429112 | Infra-red radiant tube heater A gas radiant tube heater and method of operating the heater. The heater has a housing and a radiant tube mounted within the housing. The heater further has a modular control box mounted within the housing in which serviceable parts can be easily removed ... | 07/04/1995 |
| 5368010 | Multi-position forced air furnace A single forced air furnace (10) may be installed in any of an upflow, downflow, or horizontal airflow orientation, with discharge of flue gases either opposite to or concurrent with the primary airflow path. The combination of design features which provi... | 11/29/1994 |
| 5036829 | Heating apparatus A heating which comprises a housing containing a water conduit, a fire compartment for heating the water in the water conduit, a heating chamber containing a plurality of heat emitting fin coil members disposed therein, a water storage tank disposed on th... | 08/06/1991 |
| 4938283 | Bell orifice plate for inshot combustion furnace A belled orifice inlet plate is provided for an induced draft combustion furnace heat exchanger of the type in which an inshot burner produces a hot gaseous combustion that is injected through an opening in the inlet plate into a combustion zone in the he... | 07/03/1990 |
| 4919122 | Element structure and process for assembling same Element structures are assembled from separately formed modular elements. Incorporated in the modular elements are stressing members, for example, connecting rods or the like, which can be aligned when the modular elements are positioned for installation.... | 04/24/1990 |
| 4836182 | Gas burning heating device A forced air gas fired heating device may be utilized as a stove insert for a conventional open fireplace or in an alternative embodiment may be formed with a double walled construction for use as a free standing unit. In both embodiments a gas burner adj... | 06/06/1989 |
| 4700686 | Heating apparatus A heating apparatus comprising a water container, a firebox for heating the water in the water container, a heating chamber containing a plurality heat emitting members disposed therein, a water storage tank disposed on the water container, and a fan for ... | 10/20/1987 |
| 4587949 | Combustion heater A heater for air and liquid utilizing a combustible fuel which includes a first vertical stack including a combustion tube or heat stack with a bottom burner. The heat stack is surrounded by a heat transfer unit with alternate down passages and up passage... | 05/13/1986 |
| 4559923 | Ceramic stove A ceramic stove that may be supplied in kit form includes a base frame, a cast iron firebox secured on the base frame, a top frame attached to and surrounding the top of the firebox, and ceramic panels extending between and held by the frames in spaced re... | 12/24/1985 |
| 4474166 | Wick heaters A wick heater comprises a housing the top and front panel of which are so constructed and interrelated with each other and the remainder of the housing to provide for their relative expansion and contraction in a manner to avoid warping, buckling or disto... | 10/02/1984 |
| 4466420 | Modular masonry heating system Disclosed is a modular masonry heating system having a modular firebox assembly positioned within the flue chamber of an outer modular heat shell asembly. The heat shell comprises an enclosing wall and a cover each of which is formed from smaller modules ... | 08/21/1984 |
| 4205653 | Downflow furnace assembly A downflow furnace assembly having a combustible floor base including a pair of parallel side rails, a pair of parallel, variable length cross rails, and integral spacing flanges, and a method of constructing the combustible floor base. The integral spaci... | 06/03/1980 |
