Patents by Inventor Harold F. Honath

Harold F. Honath 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: 4402422
    Abstract: A seal joining a vacuum vessel head to a shell includes a flange on the head and a flange on the shell with a seal ring interposed therebetween. Spacers transfer the weight of the head and the vacuum load in the vessel to the seal ring. A sealing skirt attaches to the head flange and to the seal ring.
    Type: Grant
    Filed: November 10, 1981
    Date of Patent: September 6, 1983
    Assignee: Pittsburgh-Des Moines Corporation
    Inventors: Harold F. Honath, Gebhart J. Reiling, Robert H. Swinderman, Richard E. Hills
  • Patent number: 4327554
    Abstract: A spill condition venting system for a double containment tank includes a control system for controlling, in the event of a spill or an overflow of fluid into the annulus of such double containment tank, the flow of stored fluid into and out of the annulus and for controlling vapor resulting from such spill.
    Type: Grant
    Filed: December 13, 1979
    Date of Patent: May 4, 1982
    Assignee: Pittsburgh-Des Moines Corporation
    Inventors: Ulhas S. Patil, Harold F. Honath, John C. Murphy
  • 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