Patents by Inventor Durwill Dennis

Durwill Dennis 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: 9612063
    Abstract: There is provided a support for supporting a bundle of exchanger tubes that has plurality of tubes and support plates that engage and support the plurality of tubes. The support has a cradle with a plurality of support surfaces spaced along the length of the cradle to support the bundle of exchanger tubes, a carriage that is movably mounted to a track extending along the length of the cradle such that the carriage traverses at least a portion of the cradle as it moves along the track. The carriage has a receiver portion that moves along the cradle above the support surface and is sized to receive a support plate of the bundle of exchanger tubes, and one or more lifts positioned along the cradle length, the lifts moving vertically between an extended position above the carriage relative to the cradle and a refracted position below the support surfaces.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: April 4, 2017
    Assignee: Altex Industries Inc.
    Inventors: Dave Reich, Durwill Dennis, Robert Triplett
  • Publication number: 20160033210
    Abstract: There is provided a support for supporting a bundle of exchanger tubes that has plurality of tubes and support plates that engage and support the plurality of tubes. The support has a cradle with a plurality of support surfaces spaced along the length of the cradle to support the bundle of exchanger tubes, a carriage that is movably mounted to a track extending along the length of the cradle such that the carriage traverses at least a portion of the cradle as it moves along the track. The carriage has a receiver portion that moves along the cradle above the support surface and is sized to receive a support plate of the bundle of exchanger tubes, and one or more lifts positioned along the cradle length, the lifts moving vertically between an extended position above the carriage relative to the cradle and a refracted position below the support surfaces.
    Type: Application
    Filed: July 31, 2014
    Publication date: February 4, 2016
    Inventors: Dave Reich, Durwill Dennis, Robert Triplett