Patents by Inventor Brian E. Krzewinski

Brian E. Krzewinski 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).

  • High torque rocket nozzle
    Patent number: 6691948
    Abstract: A high torque nozzle system for a tube launched rocket has a fixed position nozzle on the rocket and a set of internally positioned erodible vanes inside of the nozzle. The vanes erode as the rocket exits the launcher. The high torque nozzle system has a first section of a rocket nozzle body, a second section of the rocket nozzle body and a torque ring that contains erodible vanes. The torque ring is fitted into a groove formed by the first and second sections of the rocket nozzle body, which are threaded together.
    Type: Grant
    Filed: April 10, 2003
    Date of Patent: February 17, 2004
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Steven S. Kim, Brian E. Krzewinski