Patents by Inventor Dorsey R. Brumbelow

Dorsey R. Brumbelow 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).

  • Measuring device for ascertaining pipe diameter and depth location
    Patent number: 3995373
    Abstract: A measuring device for ascertaining the diameter and depth location of a remotely located pipe or conduit comprising a stationary rod section and a movable rod section slidably carried thereby. The corresponding ends of the rod sections are provided with elongated curved caliper arms having parallel longitudinal axes for facilitating access into the interior of the pipe. The rod sections are provided with measurement scales along their longitudinal surfaces and may further be lengthened by attaching corresponding extension rod sections together.
    Type: Grant
    Filed: September 30, 1975
    Date of Patent: December 7, 1976
    Inventor: Dorsey R. Brumbelow