Patents by Inventor Mark O. Landram

Mark O. Landram 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).

  • Cryogenic glass-to-metal seal
    Patent number: 4726507
    Abstract: A novel low temperature vacuum seal and method of making same for joining a nonmetallic element, such as an optical port, to a metallic element is described which comprises first and second thin metallic layers applied to the nonmetallic element to provide substantial adhesion and solderability to the nonmetallic element, and a third metallic layer applied to the metallic element to provide solderability to the metallic element, the nonmetallic and metallic elements being joined by a layer of low temperature solder interfacing their respective solder surfaces. A further thin metallic layer may be applied to the nonmetallic element to provide substantial wetability to the solderable second layer.
    Type: Grant
    Filed: December 4, 1986
    Date of Patent: February 23, 1988
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: Mark O. Landram
  • Cryogenic glass-to-metal seal
    Patent number: 4649085
    Abstract: A novel low temperature vacuum seal and method of making same for joining a nonmetallic element, such as an optical port, to a metallic element is described which comprises first and second thin metallic layers applied to the nonmetallic element to provide substantial adhesion and solderability to the nonmetallic element, and a third metallic layer applied to the metallic element to provide solderability to the metallic element, the nonmetallic and metallic elements being joined by a layer of low temperature solder interfacing their respective solder surfaces. A further thin metallic layer may be applied to the nonmetallic element to provide substantial wetability to the solderable second layer.
    Type: Grant
    Filed: August 29, 1984
    Date of Patent: March 10, 1987
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: Mark O. Landram