Patents by Inventor Donald P. Delevan

Donald P. Delevan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Controlled superheating of natural gas for transmission
    Patent number: 7452390
    Abstract: A method is provided for controlling superheating and temperature of a compressed natural gas stream and the addition of a corrision inhibitor composition for transmission through a pipeline that includes: a. dividing a stream of natural gas discharged from a high pressure gas compressor (106) into a first portion (108) and a second portion (202); b. passing the first portion (108) of the gas from the gas compressor to a heat exchanger (112) to heat the gas to a predetermined temperature; c. passing the first portion of gas (111) exiting the heat exchanger to an aftercooler (114); d. passing the second portion (202) of natural gas discharged from the gas compressor (106) to the aftercooler (114) without passing it through the heat exchanger (112), the second portion of gas and the first portion of gas being mixed at the aftercooler inlet and cooled by the aftercooler and discharged from the aftercooler as a cooled gas stream (116) having a temperature no greater than a first temperature; e.
    Type: Grant
    Filed: October 23, 2003
    Date of Patent: November 18, 2008
    Assignee: Saudi Arabian Oil Company
    Inventors: Hani Al-Khalifa, Donald P. Delevan, Timothy T. Wilson, Abdulrahman Al-Abdullatif