Patents by Inventor Thomas Peter Sprafke

Thomas Peter Sprafke 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).

  • Explosively welded cooled infrared camera
    Patent number: 11889223
    Abstract: A cooled infrared camera includes a window housing comprising a plate having an opening, a window positioned in the opening of the plate, a first sidewall having a first end connected to the plate, a first flange connected to a second end of the first sidewall such that the first sidewall is between the plate and the first flange, a first explosively welded joint between the plate and the first sidewall, and a second explosively welded joint between the first sidewall and the first flange. A header is connected to the first flange of the window housing, and a warm end is connected to the header. The cooled infrared camera further includes a hermetically sealed chamber within the window housing and the header.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: January 30, 2024
    Assignee: Raytheon Company
    Inventors: Stephen Marinsek, Thomas Peter Sprafke
  • EXPLOSIVELY WELDED COOLED INFRARED CAMERA
    Publication number: 20220321806
    Abstract: A cooled infrared camera includes a window housing comprising a plate having an opening, a window positioned in the opening of the plate, a first sidewall having a first end connected to the plate, a first flange connected to a second end of the first sidewall such that the first sidewall is between the plate and the first flange, a first explosively welded joint between the plate and the first sidewall, and a second explosively welded joint between the first sidewall and the first flange. A header is connected to the first flange of the window housing, and a warm end is connected to the header. The cooled infrared camera further includes a hermetically sealed chamber within the window housing and the header.
    Type: Application
    Filed: March 31, 2021
    Publication date: October 6, 2022
    Inventors: Stephen Marinsek, Thomas Peter Sprafke