Patents by Inventor John N. Rasmussen

John N. Rasmussen 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).

  • Boiling heat transfer surface, method of preparing same and method of boiling
    Patent number: 4258783
    Abstract: Improved nucleate boiling cavities are provided in a heat exchange surface by mechanically forming indentations on the heat transfer surface and then electrodepositing a metal on the pitted surface at a high current density followed by strengthening at lower current densities. Also described is a method of transferring heat from a warm fluid to a boiling liquid utilizing the improved nucleate boiling structure.
    Type: Grant
    Filed: February 8, 1979
    Date of Patent: March 31, 1981
    Assignee: Borg-Warner Corporation
    Inventors: Clarence E. Albertson, George M. Nichols, John N. Rasmussen
  • Boiling heat transfer surface, method of preparing same and method of boiling
    Patent number: 4186063
    Abstract: Improved nucleate boiling cavities are provided in a heat exchange surface by mechanically forming indentations on the heat transfer surface and then electrodepositing a metal on the pitted surface at a high current density followed by strengthening at lower current densities. Also described is a method of transferring heat from a warm fluid to a boiling liquid utilizing the improved nucleate boiling structure.
    Type: Grant
    Filed: November 1, 1977
    Date of Patent: January 29, 1980
    Assignee: Borg-Warner Corporation
    Inventors: Clarence E. Albertson, George M. Nichols, John N. Rasmussen