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| Number | Title | Issue Date |
| 7402188 | Method and apparatus for coal gasifier A method and apparatus for efficiently forming a gaseous material from a solid starting material. The produced gaseous material includes a CGE HHV having a high percentage of an original HHV of the starting material. The gaseous product may be used to form a plurali... | 07/22/2008 |
| 7391031 | Detection of peroxides and superoxides with fast neutrons A system for detecting a compound in a sample includes a neutron source, at least one gamma ray detector positioned proximate the sample, and a signal processor. The neutron source directs a neutron beam toward the sample. The gamma ray detector collects gamma rays ... | 06/24/2008 |
| 7387197 | Linear tractor dry coal extrusion pump A pump for transporting particulate material includes an inlet, an outlet, a passageway, a first and second load beam, a first and second scraper seal, and a first and second drive assembly. The inlet introduces the particulate material into the passageway and the o... | 06/17/2008 |
| 7380842 | Spherical flange assembly A spherical flange assembly is disclosed. The spherical flange assembly comprises a seat member, a heel member, a seal gland and at least one nut and bold assembly. The seat member includes a concave portion. The heel member includes a convex portion and a seal glan... | 06/03/2008 |
| 7360639 | Hot rotary screw pump A screw feeder can be used to transport a high temperature particulate material. A housing contains the material within the screw feeder which includes an inlet and an outlet port. A screw is rotatably positioned within the housing to advance the material from the i... | 04/22/2008 |
| 7339776 | Silicon carbide diode voltage limiter A voltage excursion control system for limiting transient voltage peaks in electrical circuits otherwise occurring across selected components therein in response to changing conditions in such circuits has a plurality of silicon carbide diode dice series-interconnec... | 03/04/2008 |
| 7334396 | Method and apparatus for a rocket engine power cycle A system for providing an oxidizer and a fuel to a rocket engine is provided. The system includes a fuel supply system. The fuel supply system includes a fuel pump that pumps fuel to the rocket engine. The system includes a coolant supply system that supplies a cool... | 02/26/2008 |
| 7306710 | Apparatus and method for electroplating a metallic film on a rocket engine combustion chamber component A tank is utilized for containing a plating solution. A rotatable support assembly rotatably supports a combustion chamber component relative to the tank for providing partial immersion of the combustion chamber component within the plating solution. An anode is pos... | 12/11/2007 |
| 7303597 | Method and apparatus for continuously feeding and pressurizing a solid material into a high pressure system A system for substantially continuously providing a solid material, for example pulverized coal, to a pressurized container. The system provides the solid material to a first container of a first pressure elevated above an initial pressure of the solid material. Gen... | 12/04/2007 |
| 7299633 | Solar dish concentrator with a molten salt receiver incorporating thermal energy storage A solar power system capable of storing heat energy and converting sun light to electrical power. The solar power system includes a solar collection system which gathers and transmits concentrated solar energy to an absorber/cavity. The thermal energy is extracted f... | 11/27/2007 |
| 7111463 | Combustion wave ignition for combustors A system, such as a turbine power production system, including a plurality of combustion chambers. The combustion chamber may be provided with an ignition system that allows for substantially simultaneous ignition of each of the plurality of the combustors. Generall... | 09/26/2006 |
