Patents by Inventor Aleksandar Djordjevic

Aleksandar Djordjevic 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).

  • Patent number: 4422209
    Abstract: A tool guide that makes possible the insertion of cleaning and/or inspection tools into a manifold pipe that will dislocate and extract the accumulated sediment in such manifold pipes. The tool guide basically comprises a right angled tube (or other angled tube as required) which can be inserted in a large tube and locked into a radially extending cross pipe by adjustable spacer rods and a spring-loaded cone, whereby appropriate cleaning tools can be inserted into to cross pipe for cleaning, inspection, etc.
    Type: Grant
    Filed: July 8, 1982
    Date of Patent: December 27, 1983
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventor: Aleksandar Djordjevic