Patents by Inventor Marcus Fohrer

Marcus Fohrer 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).

  • Connection element
    Patent number: 6461091
    Abstract: A connection element for a bolt including a member for receiving the bolt (2) and including a bore (5) having a tapering region (7) adjoining a bore cylindrical receiving region (4) and tapering in a direction opposite a bolt insertion in direction (A); and a locking member supported in the bore (5) for forcelockingly engaging the bolt (2) and formed as a radially expandable annular member having an inner diameter (w), which is, at least partially, smaller than an outer diameter (d2) of the bolt (2), and an axial length corresponding to an axial length of the cylindrical receiving region (4).
    Type: Grant
    Filed: March 26, 2001
    Date of Patent: October 8, 2002
    Assignee: Hilti Aktiengesellschaft
    Inventors: Armin Herb, Fritz Hermann, Ulrich Birnbaum, Marcus Fohrer, Gordillo Antonio Lopez
  • Connection element
    Publication number: 20010055521
    Abstract: A connection element for a bolt including a member for receiving the bolt (2) and including a bore (5) having a tapering region (7) adjoining a bore cylindrical receiving region (4) and tapering in a direction opposite a bolt insertion in direction (A); and a locking member supported in the bore (5) for forcelockingly engaging the bolt (2) and formed as a radially expandable annular member having an inner diameter (w), which is, at least partially, smaller than an outer diameter (d2) of the bolt (2), and an axial length corresponding to an axial length of the cylindrical receiving region (4).
    Type: Application
    Filed: March 26, 2001
    Publication date: December 27, 2001
    Inventors: Armin Herb, Fritz Hermann, Ulrich Birnbaum, Marcus Fohrer, Gordillo Antonio Lopez