Patents by Inventor Steve P. Signer

Steve P. Signer 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: 7324007
    Abstract: A rock bolt includes a hollow body and a gap along a length of the hollow body. At least one strain gauge is affixed to an inner surface of the rock bolt and is accessible from the gap. The rock bolt may include a data logger within the hollow body and coupled to receive signals from one or more strain gauges, and to record these signals in a memory. The data logger may comprise a data port adapted to be accessible from the outside of a bore hole into which the rock bolt is inserted. The data logger also may include at least one of a visual and auditory alarm. A graphic user interface software program can be used to download data from the data logger and set certain operating parameters of the data logger.
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: January 29, 2008
    Assignee: The United States of America as represented by the Secretary of the Department of Health and Human Services, Centers for Disease Control and Prevention
    Inventors: Carl B. Sunderman, Jeffrey Craig Johnson, Steve P. Signer