Patents by Inventor Ronald T. Bloomstran

Ronald T. Bloomstran 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).

  • Underground containment for fluid systems
    Patent number: 5577862
    Abstract: A potentially economically viable apparatus is provided for the containment and detection of underground leaking fluids by employing a wrapper, often in the form of a conduit, to enclose the underground portion of a hydraulic fluid system. An important application is the detection and containment associated with an underground elevator system using hydraulic oil.
    Type: Grant
    Filed: January 31, 1995
    Date of Patent: November 26, 1996
    Assignee: C.M.F. Corporation
    Inventors: Jack V. Christensen, Ronald T. Bloomstran