Patents by Inventor Jürgen Lienau

Jürgen Lienau 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).

  • Locking device and key for a locking device
    Patent number: 8266937
    Abstract: The invention is concerned with a locking cylinder (1) and a matching key (2), wherein the locking cylinder comprises tumbler pins (6) with a head (7) and a tip. (8). The tip (8) engages in a coding recess (10) of the key (2) and, by withdrawing the key from the locking cylinder, slides along two sliding flanks (2), which follow on one another. The dimensions of the conical surface (9) following on from the rounding of the tip (8) and the sliding flank (12) are made to match one another in such a way that the transitional region (13) between the two sliding flanks is covered by the conical surface in the abutting position.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: September 18, 2012
    Assignee: C. Ed. Schulte Gesellschaft MIT Beschränkter Haftung Zylinderschlossfabrik
    Inventors: Jürgen Lienau, Thomas Wallberg
  • LOCKING DEVICE AND KEY FOR A LOCKING DEVICE
    Publication number: 20100319422
    Abstract: The invention is concered with a locking cylinder (1) and a matching key (2), wherein the locking cylinder comprises tumbler pins (6) with a head (7) and a tip. (8). The tip (8) engages in a coding recess (10) of the key (2) and, by withdrawing the key from the locking cylinder, slides along two sliding flanks (2), which follow on one another. The dimensions of the conical surface (9) following on from the rounding of the tip (8) and the sliding flank (12) are made to match one another in such a way that the transitional region (13) between the two sliding flanks is covered by the conical surface in the abutting position.
    Type: Application
    Filed: May 28, 2010
    Publication date: December 23, 2010
    Applicant: C. Ed. Schulte Gesellschaft mit beschraenkter Haftung Zylinderschlossfabrik
    Inventors: Jürgen Lienau, Thomas Wallberg