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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 6959548 | Adjustable pyrotechnic-gas shock absorber The technical field of the invention is that of motor vehicle safety involving energy absorption systems for damping the displacement of certain parts that are put into motion at the time of a mechanical collision between the motor vehicle and an externals object. | 11/01/2005 |
| 4763478 | Method and device for driving a linearly movable component, especially the movable switch contact of an electric high-voltage circuit breaker A method and device for driving a linearly movable component, wherein a pressurized fluid is generated by feeding a given volume of oxygen into a combustion space connected to a piston/cylinder configuration and feeding a given volume of fuel into the com... | 08/16/1988 |
| 4721240 | Cam-controlled self-contained internal combustion fastener driving tool A fastener driving tool powered by internal combustion of an air/fuel mixture. The tool body contains connected upper and lower coaxial cylinders. The upper cylinder is provided with a piston assembly and is connected by a one-way valve to a combustion ai... | 01/26/1988 |
| 4712379 | Manual recycler for detonating impact tool A detonating impact tool 10 has a manual recycler that works by manually pressing the tool and a fastener 25 against a work piece 51 to push a front housing 12 into a main housing 11 against a compression spring 30. This charges a detonation chamber 15 wi... | 12/15/1987 |
| 4510748 | Compression wave former Compression waves are formed by detonating a mixture of fuel and air confined within a chamber that has a constricted output opening. The mixture is ignited instantaneously throughout a peripheral region of the chamber opposite the output opening, and thi... | 04/16/1985 |
| 4377991 | Internal combustion apparatus An internal combustion apparatus is disclosed having a linear output. A metered quantity of gas fuel is transferred between a cylinder head and the disc of a plunger reciprocable in a principal chamber between top and bottom end of stroke positions. In th... | 03/29/1983 |
| 4366847 | Log splitter A log splitter which utilizes as the prime mover a one-cylinder internal combustion engine. The engine is a two-cycle engine, with the fuel-air mixture being manually supplied to the engine by way of a charging unit. The internal combustion engine is of a... | 01/04/1983 |
| 4365471 | Compression wave former Compression waves are formed by detonating a mixture of fuel and air confined within a chamber that has a constricted output opening. The mixture is ignited instantaneously throughout a peripheral region of the chamber opposite the output opening, and thi... | 12/28/1982 |
| 4200213 | Percussion apparatus A percussion apparatus, for example for driving nails or staples, having an auxiliary piston which when released thrusts a main operating piston to an intermediate position. The auxiliary piston transfers a metered quantity of gaseous fuel together with c... | 04/29/1980 |
| 4129002 | Cylinder piece for a pile driving ram A pile driving ram for driving piles into subaqueous ground, during which a heavy piston operating as a hammer is each time lifted by fuel explosion in a cylinder, comprises a considerable and expensive cylinder piece, which has inlet and outlet ports and... | 12/12/1978 |
| 4075850 | Striking tool This striking tool of an internal combustion type includes in a housing of a tool body a cylinder providing slidably a piston connecting to a driver. A combustion chamber is disposed around the side wall of the cylinder. A fluid controlled valve is dispos... | 02/28/1978 |
