Patents by Inventor R. Douglas Hancock

R. Douglas Hancock 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).

  • Process for increasing the system thermal capability of a splash filled cooling tower
    Patent number: 5853595
    Abstract: The invention is a process for increasing the system thermal capability of a splash filled cooling tower where cooling water is circulated and splashed against splash bars during the cooling process. The process comprises contacting the circulating water of the cooling tower with a nonionic surfactant composition in an amount effective to increase the system thermal capability of the cooling tower.
    Type: Grant
    Filed: March 28, 1996
    Date of Patent: December 29, 1998
    Assignee: Ashland, Inc.
    Inventors: R. Douglas Hancock, Andrew A. Romano, Russell T. Noble
  • Process for increasing the system thermal capability of a splash filled cooling tower
    Patent number: 5565019
    Abstract: The invention is a process for increasing the system thermal capability of a splash filled cooling tower where cooling water is circulated and splashed against splash bars during the cooling process. The process includes contacting the circulating water of the cooling tower with a nonionic surfactant composition in an amount effective to increase the system thermal capability of the cooling tower.
    Type: Grant
    Filed: April 4, 1995
    Date of Patent: October 15, 1996
    Assignee: Ashland Inc.
    Inventors: R. Douglas Hancock, Russell T. Noble, Andrew A. Romano