...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 6655119 | Cutter blade for lawn mower A cutter blade for lawn mowers having an airlift curved from a cutting edge formed on a rotationally leading edge toward a rotationally trailing edge. The trailing edge of the airlift is shaped in a waveform comprising a plurality of protrusions and a plu... | 12/02/2003 |
| 6655120 | Crop lifter for reaping systems of harvesting machines A crop lifter for a harvesting machine reaping system with a bed plate (1) and projecting reaping fingers (2) has an elastically bendable support bar (5) with a first end (6) and a second end (7). The first end (6) is adapted to be retained on the bed pla... | 12/02/2003 |
| 6655121 | Powered feed roller system for a round baler A round baler for forming round bales of crop material includes a crop pickup which feeds crop material rearwardly toward a bale-forming chamber defined by a series of rollers in combination with a bale-forming section of a series of side-by-side baler be... | 12/02/2003 |
| 6655122 | Core yarn manufacturing machine and core yarn manufacturing method A core yarn manufacturing machine has a spinning unit including a hollow guide shaft member wherein the yarn passage is formed in the axis direction, and a nozzle applies a whirling flow to the tip section of the hollow guide shaft member. A core yarn is ... | 12/02/2003 |
| 6655123 | Device for economizing fuel supply in a fuel supply circuit An aircraft engine fuel supply circuit includes a high pressure pump for supplying the engine fuel injectors and supplying a plurality of servovalves for operating various auxiliary mechanisms. In an in-flight re-ignition configuration, with the rotationa... | 12/02/2003 |
| 6655124 | External system and method for rocket exhaust plume signature tailoring Systems and methods are disclosed for tailoring rocket exhaust plume signatures of fuel-propelled vehicles. An uncombusted fuel is injected or sprayed into the exhaust plume of an ignited rocket. The injected or sprayed fuel modifies the rocket exhaust pl... | 12/02/2003 |
| 6655125 | System architecture for electromechanical thrust reverser actuation systems An electromechanical thrust reverser actuation system that is designed with non-symmetric redundant channels is interfaced with an aircraft engine control system that is also redundantly designed. In one embodiment, the engine control system is also desig... | 12/02/2003 |
| 6655126 | Overthrust protection system An overthrust protection system for a gas turbine in which fuel is supplied at a controlled flow rate to a combustor (4) of the gas turbine. The overthrust protection system uses a bypass valve (24) to divert fuel flow away from the combustor (4). The ope... | 12/02/2003 |
| 6655127 | Pre-burner for low temperature turbine applications A method is provided for using high concentrations of hydrogen peroxide to drive a turbine (20') in a turbopump fed rocket engine (12'). The method includes the steps of: (a) receiving fuel into a fuel rich pre-burner (50); (b) receiving high concentratio... | 12/02/2003 |
| 6655128 | Purging of an NOx trap A lean burn engine having a lean NOx trap in the form of a matrix of narrow flow passages is described. The engine is provided with means for injecting reducing gases upstream of the NOx trap matrix (16) to purge the trap periodically. A flow straightenin... | 12/02/2003 |
| 6655129 | Process for operating a three-way catalyst that contains an oxygen-storage component A process is provided for operating a three-way catalyst that contains an oxygen storage component, that has a minimum and a maximum filling degree for oxygen and that is located in the exhaust gas line of an internal combustion engine. The air/fuel mixtu... | 12/02/2003 |
| 6655130 | System and controls for near zero cold start tailpipe emissions in internal combustion engines An integrated fuel reformer-engine system and method provides an on-board fuel reformer for preparing a hydrogen-rich reformate; an engine operating on one or a combination of reformate and liquid fuel, in combination with an exhaust catalyst for treating... | 12/02/2003 |
| 6655131 | Method of protecting a catalytic converter The invention is directed to a method for protecting a catalytic converter in the exhaust gas of an internal combustion engine in a starting operation of the engine. An index is formed for the quantity of an air/fuel mixture which will first react exother... | 12/02/2003 |
| 6655132 | Combustion control by particle filter regeneration Process and device for controlling the regeneration of an element filtering oxidable particles carried along by a gaseous stream, by periodic combustion of these particles, such as, for example, the carbon-containing particles carried along in the exhaust... | 12/02/2003 |
| 6655133 | Exhaust gas purifier for internal combustion engine An exhaust gas purifier includes a particulate filter for oxidizing collected particulates, a reversing device that reverses an exhaust gas upstream side and an exhaust gas downstream side of the particulate filter. The particulate filter includes a colle... | 12/02/2003 |
| 6655134 | Exhaust control valve An exhaust control valve has a valve housing and a valve body rotatably contained within the valve housing. The valve body cooperates with the valve housing for controlling the flow of exhaust gas. A transmission member rotationally drives a valve shaft o... | 12/02/2003 |
| 6655135 | Construction machine In a construction machine according to the present invention wherein there is made an engine speed sensing control to control a pump horsepower in accordance with an engine speed of an engine, there is performed, in a low temperature condition with hydrau... | 12/02/2003 |
| 6655136 | System and method for accumulating hydraulic fluid A hydraulic system is provided. The hydraulic system includes a a hydraulic actuator, a source of pressurized fluid, and a directional control valve controlling fluid flow into and out of the hydraulic actuator. An accumulator is disposed between a fluid ... | 12/02/2003 |
| 6655137 | Advanced combined cycle co-generation abatement system The present invention is an advanced co-generation system for abating solid wastes, hydrocarbons and other volatile organic compounds (VOC's) produced by various processes utilizing a Stirling cycle engine, turbines or other internal combustion engines do... | 12/02/2003 |
| 6655138 | System and method for actuating and controlling a transfer case One aspect of the control system provides a hydraulic control system for a transfer case that includes an actuator for generating fluid pressure. The system also includes an isolation valve and a control valve in fluid communication with the actuator. The... | 12/02/2003 |
| 6655139 | Servomotor with a finger-forming locking sleeve A pneumatic servomotor for an assisted braking of a motor vehicle having a unidirectional clutch device (56). The clutch device (56) has a coaxial sleeve (58) that slides on a plunger (46), and a substantially ring-shaped key (60) that is arranged with a ... | 12/02/2003 |
| 6655140 | Fluid pressure boosting device In a fluid pressure boosting device 1 of the present invention, a control valve 4 is composed of a supply valve 44 and a discharge valve 45, the supply valve 44 comprises an annular valve cone 46 of a poppet type and a first valve seat 7 and the discharge... | 12/02/2003 |
| 6655141 | Airflow system for engine with series turbochargers An airflow system for an engine includes first and second turbines coupled with first and second compressors, respectively. The first turbine receives exhaust from an exhaust manifold, and the first compressor supplies compressed air to an intake manifold... | 12/02/2003 |
| 6655142 | Separate shaft turbocharger A turbocharger for an internal combustion engine, is provided with a turbine including a rotatable turbine shaft, a turbine wheel carried by the turbine shaft, and a drive gear carried by the turbine shaft. A first compressor includes a rotatable first co... | 12/02/2003 |
| 6655143 | Autonomous gas powered ram An autonomous gas powered ram comprising a main body having an internal cavity and an actuator mounted in this internal cavity. The actuator is movable in the cavity from a first operative mode to a second operative mode. Movement of the actuator towards ... | 12/02/2003 |
| 6655144 | Condenser, power plant equipment and power plant operation method Water quality detecting points for detecting sea water leakage are provided at a portion in a hot well zone right under a tube bundle of heat exchange tube forming a steam condensing zone and at a condenser outlet allowing the condensate to be led out of ... | 12/02/2003 |
| 6655145 | Fuel nozzle for a gas turbine engine A fuel nozzle for a gas turbine engine injects a liquid fuel flow from a liquid fuel passage in the swirler vane. An air flow over the swirler vane atomizes the liquid fuel flow to form a fuel air mixture. The fuel nozzle eliminates the need for a convent... | 12/02/2003 |
| 6655146 | Hybrid film cooled combustor liner A combustor liner has an annular shell which includes a first portion and a second portion. The first portion is provided with slot film cooling and the second portion is provided with multi-hole film cooling. The multi-hole cooling portion can be located... | 12/02/2003 |
| 6655147 | Annular one-piece corrugated liner for combustor of a gas turbine engine An annular one-piece liner for a combustor of a gas turbine engine, including a first end adjacent to an upstream end of the combustor, a second end adjacent to a downstream end of the combustor, and a plurality of corrugations between the first and secon... | 12/02/2003 |
| 6655148 | Fixing metal caps onto walls of a CMC combustion chamber in a turbomachine An annular combustion chamber has outer and inner axially-extending side walls of composite material and an end wall of metal material held in position on the outer and inner side walls by fixing means. Provision is made for the fixing means to pass throu... | 12/02/2003 |
| 6655149 | Preferential multihole combustor liner A multi-hole cooled combustor liner is provided which reduces hot streaks and associated material distress in the liner. Areas of increased cooling hole density are disposed upstream of the primary dilution holes and in circumferential alignment with fuel... | 12/02/2003 |
| 6655150 | Method for removing and recovering CO2 from exhaust gas The present invention relates to a method for removing and recovering CO2 from exhaust gas from a power and/or heat generating plant (a main power plant) by chemical absorption and desorption respectively, where the exhaust gas is fed to an abs... | 12/02/2003 |
| 6655151 | Method for controlling fuel flow to a gas turbine engine A system for controlling the flow of fuel to a gas turbine engine is operable in at least two modes. In a first mode, the flow rate of fuel supplied from a fuel source to the combustors of the turbine engine is controlled by modulating the position of a m... | 12/02/2003 |
| 6655152 | Fuel control system for multiple burners A control system is provided for use in controlling fuel supply to at least two sets of burners of an engine. The control system comprises two or more fuel pumps, each of the pumps being driven, in use, by a respective variable-speed motor. A control arra... | 12/02/2003 |
| 6655153 | Gas turbine shaft and heat shield cooling arrangement A gas turbine having a rotor driver by a shaft with a cooling medium passageway therein has a heat shield pipe portion mounted inside the passageway which forms an air layer with a wall of the passageway to protect a bearing member metal supporting the sh... | 12/02/2003 |
| 6655154 | Operation method and operation apparatus for multi-system refrigerators, and refrigerating apparatus An operation method and an operation apparatus for multi-system refrigerators, and a refrigerating apparatus. When gas compressed by a single compressor is supplied to a plurality of refrigerators through valves provided for the individual refrigerators, ... | 12/02/2003 |
| 6655155 | Methods and apparatus for loading compressed gas The methods and apparatus for transporting compressed gas includes a gas storage system having a plurality of pipes connected by a manifold whereby the gas storage system is designed to operate in the pressure range of the minimum compressibility factor f... | 12/02/2003 |
| 6655156 | Biodegradable cryogenic bag A vessel for retaining cryogens in the form of a flexible liner for compliably retaining a cryogen and designed for controlled release of vapors generated by the cryogen. The improved flexible liner is biodegradable, with the incorporation of the biodegra... | 12/02/2003 |
| 6655157 | Wet package precooler A wet package precooler is operated inside a flower cooler room and includes a closed cabinet with a slotted opening in the top into which the flower packages slide. A conveyor on which the packages ride is provided inside the cabinet, a motor/blower asse... | 12/02/2003 |
| 6655158 | Systems and methods for boosting ice rate formation in a refrigerator In one aspect, the present invention is directed to a refrigerator that includes an icemaker that is operable to .form ice at a first rate during normal operation, and at a second, faster, rate upon demand for additional ice. More specifically, and in an ... | 12/02/2003 |