Patents by Inventor Hubert S. Smith

Hubert S. Smith 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).

  • Insulation of vessels having curved surfaces
    Patent number: 4869762
    Abstract: Cryogenic vessels provided with improved thermal insulation by spirally generating two layers of thermal insulation thereon; permits thicker insulation without requirement of increased space and heavier equipment.
    Type: Grant
    Filed: October 18, 1985
    Date of Patent: September 26, 1989
    Assignee: The Dow Chemical Company
    Inventors: Hiroshi Tonokowa, Emil Ekker, Hubert S. Smith
  • Insulation of vessels having curved surfaces
    Patent number: 4823981
    Abstract: Cryogenic vessels provided with improved thermal insulation by spirally generating two layers of thermal insulation thereon; permits thicker insulation without requirement of increased space and heavier equipment.
    Type: Grant
    Filed: April 29, 1985
    Date of Patent: April 25, 1989
    Assignee: The Dow Chemical Company
    Inventors: Hiroshi Tonokowa, Emil Ekker, Hubert S. Smith