Patents by Inventor Fritz Isenring

Fritz Isenring 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).

  • Impact device
    Patent number: 4593767
    Abstract: Impact device comprising a housing with a rotatable impeller located eccentrically therein. The impeller includes masses located in radial apertures which, upon rotation of the impeller, are caused to strike the head of an impact tool extending at least partially into the cavity within the housing formed by the eccentric location of the impeller.
    Type: Grant
    Filed: September 20, 1984
    Date of Patent: June 10, 1986
    Inventor: Fritz Isenring