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 |
| 6675746 | Heat exchanger with internal pin elements A heat exchanger/heater comprising a tubular member having a fluid inlet end, a fluid outlet end and plurality of pins secured to the interior wall of the tube. Various embodiments additionally comprise a blocking member disposed concentrically inside the... | 01/13/2004 |
| 5220888 | Cyclonic combustion A process for cyclonic combustion of fuel in a combustor comprising mixing the fuel and oxidant forming a fuel/oxidant mixture prior to injection into said combustor, tangentially injecting the fuel/oxidant mixture into a first combustor chamber, igniting... | 06/22/1993 |
| 5209187 | Low pollutant - emission, high efficiency cyclonic burner for firetube boilers and heaters A low pollutant emission, high efficiency cyclonic burner and cyclonic combustion process for firetube boilers and heaters in which the combustion air required for complete combustion is introduced into the cyclonic burner in stages. Fuel and primary comb... | 05/11/1993 |
| 4624218 | Heater, particularly an auxiliary vehicle heater A vehicle auxiliary heating device of the type which has a burner aggregate, a burner pipe forming a combustion chamber and a heat transfer arrangement that contains an inner jacket with ribs and an outer jacket is improved by having the outer jacket and ... | 11/25/1986 |
| 4453498 | Gas- or oil-burning warm water, hot water or steam boiler The invention relates to gas-, or oil-burning warm water, hot water or steam boilers, mainly for the supply of households, communal institutions, and industrial plants, the surfaces of which surrounding the furnace are formed as membrane walls having annu... | 06/12/1984 |
| 4394848 | Central heating boiler A central heating boiler comprising a combustion chamber, flue gas passages, a flue gas collecting chamber and a liquid jacket surrounding both the combustion chamber and the flue gas passages, the inner wall part of said jacket surrounding the flue gas p... | 07/26/1983 |
| 4327672 | Fuel burning boiler A fuel burning boiler comprises a water holding shell of sheet steel having front and rear walls defining axially aligned openings. An insert body passes through the openings and is affixed thereto, the water being held between the shell and insert body. ... | 05/04/1982 |
| 4316436 | Heat exchanger A heat exchanger in which the main component is formed of a plurality of elongated strips of rigid heat conductive material. The strips are generally transversely aligned and wound into a coil formation in which each of the surfaces of each strip is dispo... | 02/23/1982 |
| 4263878 | Boiler A boiler for heating liquid which combines a source of hot gases directed first along the inner wall of an annular tank in a tortuous path formed by fins disposed upon the inner wall and then along the outer wall of the tank through a jet-impingement heat... | 04/28/1981 |
| 4192259 | Steel heating boiler for liquid or gaseous fuels A steel heating boiler for liquid or gaseous fuels, with a water-bearing housing, between the front and rear walls of which is arranged in a liquid-tight manner a cylindrical installation unit consisting of combustion chamber and fuel-gas flues. The steel... | 03/11/1980 |
| 4188917 | Method and device for improving the efficiency of heat generators An apparatus for heating a first fluid such as water or the like by moving such fluid in counterflow heat exchange relationship with a heated second fluid such as air. A spiral wall is provided in a portion of the apparatus which defines a spiral passagew... | 02/19/1980 |
