Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7109595 | Small multi-functional butane gas-powered portable electric generator The object of the present invention is a multi-functional electric generator comprising, an engine, a generator, a voltage-stabilizer control circuit, a gas storage gauge and a lighter. A manual electrical rod can be assembled to a side of the engine allowing the ge... | 09/19/2006 |
| 6742340 | Fuel injection control system for a turbine engine This invention is a fuel injection control system for a turbine engine. The invention uses at least one fuel injector, having means for injecting fuel in pulses to the combustion chamber of a turbine engine, and an electronic control unit to receive and interpret in... | 06/01/2004 |
| 6446426 | Miniature pulsed heat source A miniature heat source capable of being used in a hand-held device for delivering a metered pulse of fuel to a combustion chamber where it is converted into a pulsed amount of heat. For example, the heat source apparatus can be used in a hand-held cigare... | 09/10/2002 |
| 6381947 | Fuel injection for a staged gas turbine combustion chamber In a staged gas turbine combustion engine, each combustion chamber of an annular array of chambers includes at least a pilot and a main combustion stage each having an fuel injection nozzle; the method includes feeding fuel continuously in operation to th... | 05/07/2002 |
| 5937635 | Pulse detonation igniter for pulse detonation chambers A pulse detonation engine has a pulse ignition system, a plurality of detonation chambers (15), an oxygen source (33), and a fuel source (35). The oxygen source and the fuel source supply oxygen and fuel, respectively, to both the pulse ignition system an... | 08/17/1999 |
| 5771680 | Stiffened composite structures and method of making thereof A stiffened composite is provided exhibiting multi-directional reinforcement with continuous long fibers. The composite has a substrate and serpentine stiffeners adhered thereto. The stiffeners merge toward, join with and diverge from adjacent stiffeners ... | 06/30/1998 |
| 5615548 | Dual rotor pulse detonation apparatus A pulse detonator particularly for an aircraft power supply has a tubular housing. A valve sleeve rotates within the bore of the housing. The valve sleeve and housing have ports which align with each other at least once per revolution. A manifold is mount... | 04/01/1997 |
| 4254617 | Combustion unit This invention relates to combustion units in which combustible fluids are fed to a combustion chamber and burnt, and in which the resulting combustion gases are used to drive a power output. The combustion unit includes a combustion chamber; means for ig... | 03/10/1981 |
| 4024704 | Combustion products pressure generator continuous burner type and engines This application pertains to reciprocating piston engines supplied hot pressure fluid medium by combustion products pressure generators and controls thereof. This invention pertains to a new improved electro magnetic operated automatic, reversible cut off... | 05/24/1977 |
| 4024703 | Combustion in combustion products pressure generator intermittent burner type and engines This invention comprises improvements in combustion products pressure generators of the intermittent cycle, two stage type and reciprocating piston engines which use the combustion products the pressure generators produce for power to drive compressors wh... | 05/24/1977 |
| 4024702 | Combustion products pressure generators continuous burner type and engines This invention comprises improvements in combustion products pressure generators of the continuous burner type or expansion chamber type and reciprocating piston engine or turbines which uses the combustion products the expansion chamber produces for powe... | 05/24/1977 |
| 4015424 | Combustion engine with dual function motor element and rotary valve for cyclical fuel and exhaust metering An internal combustion engine comprises a compression and expansion casing having an operating member adapted to cause volumetric compression of fuel mixture and volumetric expansion of combustion gas and a combustion tube in which combustion of fuel mixt... | 04/05/1977 |