Patents by Inventor John Terlesky

John Terlesky 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).

  • Protection ring for limiting the width of cracks in a storage tank wall
    Patent number: 4308967
    Abstract: Large openings in a storage tank wall caused by cracks appearing therein are prevented by surrounding such wall with a plurality of rings which are spaced apart from the wall to be structurally independent of that wall. Such structurally independent rings are not susceptible to stressing forces exerted on the wall.
    Type: Grant
    Filed: May 22, 1980
    Date of Patent: January 5, 1982
    Assignee: Pittsburgh-Des Moines Corporation
    Inventors: Richard A. Vater, John Terlesky
  • Impact resistant tank for cryogenic fluids
    Patent number: 4041722
    Abstract: An impact resistant tank for storing cryogenic fluids, includes an inner metal tank having a metal side wall and a metal bottom and a concrete outer wall around the inner metal wall and having reinforcement therein to resist impact loads thereon, and to serve as a secondary containment for the cryogenic fluid.
    Type: Grant
    Filed: September 26, 1975
    Date of Patent: August 16, 1977
    Assignee: Pittsburgh-Des Moines Steel Company
    Inventors: John Terlesky, Hugh Emil Muller, John C. Murphy, Harold F. Honath