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 |
| 4368799 | Straight-through flow muffler A straight-through flow muffler (10) is shown. A cylindrical housing (11) has an inlet (13a), an outlet (14a), and a pair of axially aligned, longitudinally spaced tubes (15, 16) extending from the inlet and outlet into the center of the muffler housing. ... | 01/18/1983 |
| 4361206 | Exhaust muffler including venturi tube A muffler comprising a housing having inlet and outlet ends and having a venturi tube of smaller diameter than the housing disposed therewithin in communication with its outlet end is disclosed. The venturi comprises a first bell reducer, which reduces th... | 11/30/1982 |
| 4336864 | Silencer for an internal combustion engine A silencer for an internal combustion engine includes a main silencer having an axially movable tubular member located therein which is movable from a first position in which it constitutes an extension of an inlet to the main silencer and a second positi... | 06/29/1982 |
| 4327815 | Rotational mechanism disposed within fluid passageway A rotational mechanism to be disposed midway in a fluid passage may be utilized in a silencer, rotary pump, or the like. The mechanism is essentially provided with a casing defining a spherical chamber, a pair of shafts respectively having axes passing th... | 05/04/1982 |
| 4315558 | Bellows type exhaust tube An exhaust system for an internal combustion engine which comprises an exhaust manifold connected to said engine, a communication pipe connected at one end to the exhaust manifold, a bellows type exhaust tube connected at one end to the other end of the c... | 02/16/1982 |
| 4310067 | Optimized diesel engine exhaust silencer An exhaust silencer system for piston type internal combustion engines hag a wet-exhaust, having a muffler and a muffler bypass which contains water at slow and moderate engine speeds, the water being expelled by the exhaust gas pressure at high engine s... | 01/12/1982 |
| 4308930 | Muffler for a vehicle A muffler for a vehicle mounted on a hood of an engine compartment, comprising an outer cylindrical member having a plurality of openings formed in the lower side wall thereof, an inner cylindrical member mounted on the bottom wall of the outer cylindrica... | 01/05/1982 |
| 4296832 | Exhaust muffler An exhaust muffler comprising an outer body having open ends which are enclosed by heads. An exhaust gas inlet tube is mounted in an opening in one head, while an outlet tube is mounted in an opening in the opposite end. The adjacent ends of the inlet and... | 10/27/1981 |
| 4279326 | Exhaust muffler A method and apparatus for installing a universal muffler in a vehicle exhaust system including resizing the length and/or diameter of the inlet and outlet tubes of a muffler, the inlet and outlet tubes being fabricated from treated steel having suitable ... | 07/21/1981 |
| 4244442 | Method and apparatus for treating exhaust gases particularly for air-operated tools A muffler construction, particularly for exhaust gases of air-operated tools, comprises, a tubular sleeve having a passage therethrough, an exhaust gas pipe connected into the sleeve and defining a restricted flow passage with the sleeve, first and second... | 01/13/1981 |
| 4232829 | Nozzle arrangement for encapsulating machines The invention relates to encapsulating machines and more especially to the device for putting the capsules in position in the encapsulation head. It consists in the creation in the air duct for propulsion of the capsules of one or more chambers for succes... | 11/11/1980 |
| 4213414 | Engine exhaust means for motor propelled boats Engine noise attenuator for motor-propelled boats including a housing made of resilient material and having one end connected to the exhaust pipe and a perforated pipe disposed within the housing and supported by the housing wherein the perforated pipe is... | 07/22/1980 |
| 4167987 | Multiple flow marine muffler constructed of resilient material A multiple flow marine muffler constructed of resilient material having an elongated generally cylindrical hollow shell with reduced diameter inlet and outlet portions, and longitudinally spaced pairs of opposed baffles within the shell which define a plu... | 09/18/1979 |
| 4164266 | Exhaust gas muffler For dampening exhaust gas noise a muffler contains two portions, of which one is adapted to take care of high frequency noise and includes dampening material, and the other is adapted to take care of low frequency noise and is devoid of such material. The... | 08/14/1979 |
| 4164267 | Exhaust muffler Apparatus for installing a universal muffler in a vehicle exhaust system including resizing the length and/or diameter of the inlet and outlet tubes of a muffler, the inlet and outlet tubes being fabricated from treated steel having suitable temperature a... | 08/14/1979 |
| 4136756 | Suction air muffler for a motorcycle A suction air muffler having a muffler case connected to the air cleaner, wherein a suction pipe connected at one end to the air inlet port formed in the muffler case extends through the muffler case. Air drawn by suction into the suction pipe passes thro... | 01/30/1979 |
| 4111278 | Discharge muffler There is disclosed an improved sheet metal muffler for attenuating the sound of the gas discharged from a hermetic refrigeration compressor, wherein the muffler generally comprises a sheet metal casing having a hollow interior which is divided into two su... | 09/05/1978 |
| 4109751 | Noise silencer A noise silencer for an internal combustion engine has a hollow pipe serving as an air intake for the internal combustion engine and having a length L which is an even submultiple of the wavelength at the lowest of a range of noise frequencies from the in... | 08/29/1978 |
