Patents by Inventor Frederick T. Ernst

Frederick T. Ernst 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).

  • Chain saw servicing kit
    Patent number: 4125207
    Abstract: A servicing kit for chain saws comprising nested compartments which collectively have an external symmetry with respect to the longitudinal bisector of the structure, said compartments having interior walls, one of which projects into the interior wall of the other to an extent such that the ratio of the volumes of the compartments to each other is approximately two-to-one, a compartment included between the interior walls constituted by a diagonal depression in one of the walls which terminates short of the bottom and is open at the top and a carrying handle at the top.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: November 14, 1978
    Assignee: Frederick T. Ernst
    Inventors: Frederick T. Ernst, Frank Klay
  • Dual compartment fuel container for a chain saw or the like
    Patent number: D251772
    Type: Grant
    Filed: February 18, 1977
    Date of Patent: May 8, 1979
    Assignee: Frederick T. Ernst
    Inventors: Frederick T. Ernst, Frank Klay