Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
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| Number | Title | Issue Date |
| 4350010 | Exhaust system for an outboard engine An outboard engine has a casing, an internal combustion engine with a water cooling circuit and an exhaust pipe. The exhaust pipe discharges exhaust gases into an expansion chamber, and gases from the expansion chamber are discharged into the body of wate... | 09/21/1982 |
| 4348862 | Exhaust system for a two-cycle engine In the present invention, a second expansion chamber which includes a second diffuser is provided in pneumatic connection with the prior art first expansion chamber of an exhaust system for a two-cycle engine. The second expansion chamber creates a second... | 09/14/1982 |
| 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 |
| 4312422 | Exhaust silencer for outboard engine with a reflection chamber An exhaust silencer for an outboard engine including an expansion chamber for reducing the exhaust noise. A reflection chamber having an open end and a closed end is placed with its open end communicating with the expansion chamber at a location which is ... | 01/26/1982 |
| 4226298 | Exhaust device for internal combustion engines An exhaust device is provided comprising a first diverging portion extending into a cylindrical envelope into which is axially displaceably mounted a streamlined conically shaped member adapted to be moved in relationship to the engine rating.... | 10/07/1980 |
| 4187809 | Exhaust system for multiple cylinder two-stroke engines A two-stroke internal combustion engine having at least three cylinders includes an exhaust means with an exhaust cavity, an exhaust port at each cylinder and an exhaust port extension forming a chamber between the exhaust cavity and the exhaust port. Wit... | 02/12/1980 |
| 4186819 | Exhaust system for a two-stroke engine A hollow, generally conical member is provided in a cylindrical portion of a muffler shell and has a surface cooperating with the shell to compress oncoming exhaust gases, the surface being of a special curved configuration calculated for reflecting impin... | 02/05/1980 |
| 4178685 | Chain saw A chain saw driven by a two-cycle opposed cylinder engine of simultaneous ignition type. The vibration energies generated in respective cylinders are offset by each other partly because the cylinders are made to oppose to each other, and partly because th... | 12/18/1979 |
| 4106289 | Exhaust system in a two-stroke-cycle multicylinder internal combustion engine Connecting exhaust ducts of gradually widening cross section lead from the exhaust ports of a particular cylinder to a common manifold, being continued inside the manifold for a length greater than half of the diameter of the manifold and leaving an outfl... | 08/15/1978 |
| 4038820 | Two-cycle engine wave interference muffler means Exhaust means for internal combustion engines which comprises an exhaust pipe having one end connected with exhaust port of the engine, said exhaust pipe having an enlarged expansion chamber adjacent to the other end thereof, said exhaust pipe being close... | 08/02/1977 |
| 4015429 | Outboard motor for reducing exhaust gas pollutants In an outboard motor having an engine located above the water level, a lower unit is provided extending downwardly from the engine and includes an exhaust gas tube within the lower unit with its lower end positioned below the water level. Laterally enclos... | 04/05/1977 |
