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| Number | Title | Issue Date |
| 7013645 | Apparatus and method for generating electrical energy An energy producing apparatus and method are provided to harness thermal energy from a down hole resource (such as oil or gas) on an offshore rig and to generate electrical power from the thermal energy. This may include a pipe to receive either the high temperature... | 03/21/2006 |
| 6259165 | Power generating device and method A system and method are provided for supplying electric power by harnessing thermal energy below the Earth's surface. A boiler module, a turbine module, a condenser module and a generator module may all be provided. Each of the boiler module, the turbine ... | 07/10/2001 |
