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| Number | Title | Issue Date |
| 7311065 | Powder fuel engine A powder fuel engine includes a battery, a cylinder and a generator. The battery is connected with an air compressor linked with an air tank, and the generator. The air tank is connected with a mixer and two powder tanks respectively via a pressurization tube. The p... | 12/25/2007 |
| 7308997 | Combustion-operated setting tool A combustion-operated setting tool for driving fastening elements in a constructional component includes a device (30) for adjusting setting energy applied to a setting piston (15) axially displaceable in a guide space (4) of a piston guide (... | 12/18/2007 |
| 7207253 | Parachute line cutting device The present invention is to improve the mechanical characteristics of a pyrotechnical parachute line cutting device. By enforcing the mechanical traction on the electrical connection wire by Kevlar reinforcement cords. The flexible electrical wire will be connected ... | 04/24/2007 |
| 4860698 | Pyrotechnic piston device A pyrotechnic piston device the housing of which has a cylindrical internal wall in which is mounted a piston. A pyrotechnic device is disposed adjacent the piston. A metal-to-metal seal is formed between the piston and the cylindrical wall to prevent blo... | 08/29/1989 |
| 4398801 | Detonator-activated ball shutter A detonator-activated ball shutter for closing an aperture in about 300μ seconds. The ball shutter containing an aperture through which light, etc., passes, is closed by firing a detonator which propels a projectile for rotating the ball shutter, thereby... | 08/16/1983 |
| 4301774 | Gunpowder fueled internal combustion engine A gunpowder fueled internal combustion engine having a cylinder block with a plurality of cylinders circularly arranged in the cylinder block. An upper housing is located on the cylinder block in which is contained a storage chamber for storing the gunpowder. ... | 11/24/1981 |
| 4204506 | Fuel delivery system A fuel delivery system for an internal combustion engine. A fuel supply chamber is located adjacent the combustion chamber and is in communication with the combustion chamber. A fuel supply line communicates with the fuel chamber. A valving piston is mova... | 05/27/1980 |
| 3990407 | Explosively powered rotary tool An explosively powered tool or wrench is described that is operable under water and provides high torque, approaching that of an impact wrench, through the detonation of small charges to generate pressure for driving pistons of an expansible chamber motor... | 11/09/1976 |
| 3981277 | Solid fuel injection apparatuses An apparatus for injecting pulverulent fuel into the combustion chamber of internal combustion engines includes a pre-chamber for the fuel powder which is to be supplied to the combustion chamber during an engine cycle. This pre-chamber is adapted, during... | 09/21/1976 |
