Patents by Inventor Mathias Blessing

Mathias Blessing 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: 6305889
    Abstract: A quick-made connection for a stud (2; 22; 52) having a shaped outer profile (3; 23; 53), the connection including a receiving member (4; 24; 32; 42; 59) having a bore (5; 25; 33; 43; 54) in which the stud (2; 22; 52) is received, and at least one locking member arranged in the bore of the receiving member and formlockingly engageable in the shaped outer profile (3; 23; 53) of the stud (2; 22; 52), with the bore (5; 25; 33; 43; 52) having at least one section (9; 29; 34; 44; 55; 56) tapering toward an insertion opening of the bore, with the locking member (10; 30; 36; 46; 57; 58) being formed as a radially elastically expandable ring member preloaded against the wall of the bore and having an inner diameter (w) which is smaller than a bore diameter (d) at its entrance opening.
    Type: Grant
    Filed: September 22, 2000
    Date of Patent: October 23, 2001
    Assignee: Hilti Aktiengesellschaft
    Inventors: Mathias Blessing, Ulrich Birnbaum