Patents by Inventor Michael Mohrmann

Michael Mohrmann 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).

  • Device for advancing drillings in the ground
    Patent number: 7658244
    Abstract: A device for driving boreholes in the ground, having a rotationally driven main shaft with a shaft journal whose axis (B) forms an acute angle with respect to the axis (A) of the main shaft. A drill head is mounted such that it can rotate about the axis (B) of the shaft journal and has a circumferential region which runs on a complementary circumferential region, wherein the complementary circumferential region can be set rotating.
    Type: Grant
    Filed: July 18, 2003
    Date of Patent: February 9, 2010
    Assignee: Wirth Maschinen-und Bohrgerate-Fabrik GmbH
    Inventor: Michael Mohrmann
  • Device for advancing drillings in the ground
    Publication number: 20060096784
    Abstract: The device for driving boreholes in the ground comprises a rotationally driven main shaft (12) having a shaft journal (11) whose axis (B) forms an acute angle (w) with respect to the axis (A) of the main shaft (12), and an ear head (1) which is mounted such that it can rotate about the axis (B) of the shaft journal (11) and has a circumferential region (18) which runs on a complementary circumferential region (19). According to the invention, the complementary circumferential region (19) can be set rotating.
    Type: Application
    Filed: July 18, 2003
    Publication date: May 11, 2006
    Inventor: Michael Mohrmann