Geothermal Heat Transfer
US Patent: 8,418,465
This patent discloses an invention that uses an innovative closed-loop steam cycle with a primary geothermal boiler and a recirculating arrangement to deliver a portion of the enthalpy of that produced steam as a higher temperature and pressure steam to the surface.
Heat Actuated Cooling System
US Patent: 7,918,095
This patent discloses a system that uses a batch method process absorption cooling through a number of separate sealed two-compartment containers which are moved physically between a heating area, a cooling area, a storage area and a refrigeration area.