Patents by Inventor Hans-Ulrich Muetschele

Hans-Ulrich Muetschele 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).

  • Rock drill
    Patent number: 5403130
    Abstract: A drilling tool and, in particular, a rock drill for the creation of breaches in concrete or masonry for the use of drill hammers is proposed, which is configured as a cross drill bit having four cutting fins. In order to optimize drilling capacity, the drilling tool is provided with a cross drilling head which merges in one piece into a conveyor spiral matched to the drill head. A purpose-specific cutting element facing serves to optimize the drilling capacity.
    Type: Grant
    Filed: October 29, 1993
    Date of Patent: April 4, 1995
    Assignees: Hawera Probst GmbH & Co., Robert Bosch GmbH
    Inventors: Bernhard Moser, August Haussmann, Hans-Ulrich Muetschele, Harald Schindler, Hans-Peter Meyen