Patents by Inventor Max Dietrich

Max Dietrich 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).

  • Drilling or chiseling tool with suction apparatus
    Patent number: 5199501
    Abstract: A drilling or chiseling tool (1) includes a suction device (2) with a suction head (3), a suction line (4) extending from the suction head to a suction blower wheel (5) and a separating device (6). The suction device (2) is detachably connected with the tool (1). When connecting the suction device (2) to the tool (1), the shaft (9) of the suction blower wheel (5) can be coupled with the drive shaft (8) of a drive motor (7) for the tool.
    Type: Grant
    Filed: July 26, 1991
    Date of Patent: April 6, 1993
    Assignee: Hilti Aktiengesellschaft
    Inventors: Wilhelm Kluber, Gebhard Gantner, Peter Brix, Max Dietrich