Patents by Inventor Patrick Michael Rennkamp

Patrick Michael Rennkamp 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).

  • Apparatus and method for driving a cavity in mining
    Patent number: 10683750
    Abstract: A device for advancing a cavity in underground mining, including a rotary drive, an axial shaft that is rotatable together with the rotary drive about a longitudinal axis, exactly one extraction drum that is rotatable about an drum rotational axis, and a connecting arrangement which is connected to the axial shaft and which supports the extraction drum, the connecting arrangement being configured in such a way that the drum rotational axis and the longitudinal axis lie in a plane, and are oriented at an acute angle with respect to one another in the advancing direction, in all operating positions during the advancement, characterized in that the extraction drum extends over at least an effective radius of the device in the radial direction of the device during advancement of the cavity.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: June 16, 2020
    Assignee: HERRENKNECHT AKTIENGESELLSCHAFT
    Inventors: Timothée Couchoud, Thomas Joseph Edelmann, Patrick Michael Rennkamp, Frédéric Robert Cousseau
  • APPARATUS AND METHOD FOR DRIVING A CAVITY IN MINING
    Publication number: 20180347356
    Abstract: A device for advancing a cavity in underground mining, including a rotary drive, an axial shaft that is rotatable together with the rotary drive about a longitudinal axis, exactly one extraction drum that is rotatable about an drum rotational axis, and a connecting arrangement which is connected to the axial shaft and which supports the extraction drum, the connecting arrangement being configured in such a way that the drum rotational axis and the longitudinal axis lie in a plane, and are oriented at an acute angle with respect to one another in the advancing direction, in all operating positions during the advancement, characterized in that the extraction drum extends over at least an effective radius of the device in the radial direction of the device during advancement of the cavity.
    Type: Application
    Filed: December 5, 2016
    Publication date: December 6, 2018
    Inventors: Timothée Couchoud, Thomas Joseph Edelmann, Patrick Michael Rennkamp, Frédéric Robert Cousseau