Patents by Inventor Othmar Heimel

Othmar Heimel 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).

  • Patent number: 4227394
    Abstract: Apparatus for the automatic manufacture of drop forgings, particularly wrhes, from split-off and stamped workpieces comprises prebending means having a stationary bending jaw and a bending jaw which is movable in a horizontal plane, transfer means, and a power hammer which is disposed below the prebending means and has forging dies which are oppositely movable in a horizontal plane.
    Type: Grant
    Filed: August 8, 1978
    Date of Patent: October 14, 1980
    Assignee: "Wefoba" Werkzeug-und Formenbau Gesellschaft mbH & Co., KG
    Inventor: Othmar Heimel
  • Patent number: 4142397
    Abstract: A counterblow machine hammer, which is pneumatically operated and in which he tups are hydraulically returned and at their rear end protrude into compressed air chambers, which are interconnected and by a pressure-regulating valve are constantly connected to a compressed air system. The impact energy of the tups is controlled by the air pressure in the air chambers.
    Type: Grant
    Filed: October 5, 1977
    Date of Patent: March 6, 1979
    Assignee: "Wefoba" Werkzeug-und Formenbau Gesellschaft m.b.H. Co. KG
    Inventor: Othmar Heimel