Patents by Inventor Hans P Blatt

Hans P Blatt 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).

  • Angle spirit level device
    Patent number: 6477781
    Abstract: There is shown a spirit level device having a basic body element and a bubble element which pivots around an axis in its inclination towards the basic body element. An adjusting bubble element is fixed at the basic body element so that the middle part thereof is aligned parallel to the axis. The basic body element has an essentially L-formed profile whereby the adjusting bubble element is on one side which is angled at 90° in respect of the angle side, and the pivotable bubble element is on the other side of the angle of the basic body element.
    Type: Grant
    Filed: September 9, 1999
    Date of Patent: November 12, 2002
    Inventor: Hans P Blatt