Patents Assigned to Power Tube, Inc.
  • Apparatus and method for generating electrical energy
    Patent number: 7013645
    Abstract: 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 gas or oil and a power module coupled to the pipe to convert thermal energy from the received oil or gas to electrical power.
    Type: Grant
    Filed: December 30, 2002
    Date of Patent: March 21, 2006
    Assignee: Power Tube, Inc.
    Inventor: Doyle W. Brewington
  • Power generating device and method
    Patent number: 6259165
    Abstract: 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 module, the condenser module and the generator module are placed below the Earth's surface to produce electric power.
    Type: Grant
    Filed: April 21, 2000
    Date of Patent: July 10, 2001
    Assignee: Power Tube, Inc.
    Inventor: Doyle W. Brewington