Patents by Inventor Naftali Hirsch

Naftali Hirsch 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).

  • Publication number: 20020040527
    Abstract: The invention relates to a hand tool for removing material, in particular for removing burrs, having a handle (2) and a tool head (1) which can be fastened thereto, this hand tool being developed in accordance with the object in such a way that the surface of a workpiece can be deburred with greater accuracy and damage to the surfaces to be worked due to slight, unintentional tilting of the tool can be essentially avoided.
    Type: Application
    Filed: September 25, 2001
    Publication date: April 11, 2002
    Inventor: Naftali Hirsch
  • Patent number: 5647131
    Abstract: The invention is directed to a deburring and scraping tool capable of deburring and scraping grooves machined into relatively inaccessible areas of metal. The tool includes a handle, and a scraping blade which is inserted into the handle. The scraping blade has two or more cutting edges which are formed at an angle to each other. The two or more cutting edges are separated from each other. The unique design enables an operator to simultaneously remove burrs from at least two edges of the groove, or to scrape at least two exposed internal surfaces of the groove.
    Type: Grant
    Filed: October 3, 1995
    Date of Patent: July 15, 1997
    Assignee: Noga Engineering Ltd.
    Inventor: Naftali Hirsch
  • Patent number: 5454166
    Abstract: The invention is directed to a deburring tool capable of deburring cylindrical grooves machined into relatively inaccessible areas of metal. The deburing includes a handle, and a scraping blade which is inserted into the handle. The scraping blade has two or more cutting edges which are formed at an angle to each other. The two or more cutting edges are separated from each other. The unique design enables an operator to simultaneously remove burrs from at least two edges of the groove.
    Type: Grant
    Filed: March 9, 1994
    Date of Patent: October 3, 1995
    Assignee: Noga Engineering Ltd.
    Inventor: Naftali Hirsch