Patents by Inventor Barth Stefan

Barth Stefan 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).

  • Rotary construction laser
    Patent number: 8567078
    Abstract: A laser instrument is disclosed. The laser instrument having a laser unit, a drive device for tilting the laser unit, and a damper device between the drive device and the laser unit.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: October 29, 2013
    Assignee: Hilti Aktiengesellschaft
    Inventors: Barth Stefan, Manfred Ammann
  • Laser instrument
    Patent number: 8061046
    Abstract: A laser instrument is disclosed. The laser instrument having a laser unit, and a sliding bearing device with a joint socket and a sliding unit, where the sliding unit has a convex surface in the shape of cylinder section and the joint socket has a concave surface in the shape a hollow cylinder section such that the convex surface can engage in the concave surface and the laser unit tilts in a swivel plane during a relative movement between the convex surface and the concave surface.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: November 22, 2011
    Assignee: Hilti Aktiengesellschaft
    Inventors: Barth Stefan, Manfred Ammann
  • ROTARY CONSTRUCTION LASER
    Publication number: 20100031521
    Abstract: A laser instrument is disclosed. The laser instrument having a laser unit, a drive device for tilting the laser unit, and a damper device between the drive device and the laser unit.
    Type: Application
    Filed: August 5, 2009
    Publication date: February 11, 2010
    Applicant: Hilti Aktiengesellschaft
    Inventors: Barth STEFAN, Manfred Ammann
  • LASER INSTRUMENT
    Publication number: 20100031520
    Abstract: A laser instrument is disclosed. The laser instrument having a laser unit, and a sliding bearing device with a joint socket and a sliding unit, where the sliding unit has a convex surface in the shape of cylinder section and the joint socket has a concave surface in the shape a hollow cylinder section such that the convex surface can engage in the concave surface and the laser unit tilts in a swivel plane during a relative movement between the convex surface and the concave surface.
    Type: Application
    Filed: August 5, 2009
    Publication date: February 11, 2010
    Inventors: Barth Stefan, Manfred Ammann