Patents by Inventor Karl L. Kirk

Karl L. Kirk 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: 4956889
    Abstract: An improved hand held drain cleaning apparatus is disclosed which is of the type employing a flexible snake which is rotated and inserted into a waste line to remove blockage. The apparatus includes a housing in which the sanke is coiled and a guide tube extending from the housing and through which the snake passes for insertion into a waste line. A manually actuated sleeve assembly is provided on the guide for displacing resilient spring finger clamping elements into engagement with the snake to hold the snake against axial displacement relative to the housing during insertion and/or removal of the snake from the waste line and to clamp the snake against rotation relative to the guide tube and the housing during the drain cleaning operation.
    Type: Grant
    Filed: July 3, 1989
    Date of Patent: September 18, 1990
    Assignee: Emerson Electric Co.
    Inventor: Karl L. Kirk
  • Patent number: 4914775
    Abstract: A drain cleaner machine having a drain cleaning cable storage drum rotatable on an axle which is fixedly mounted on the machine frame or chassis. The drum is provided with releasable retainer mechanism for positively locking the drum in place on the axle for rotation thereon while being quickly releasable to free the drum for easy removal from the axle.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: April 10, 1990
    Assignee: Emerson Electric Co.
    Inventor: Karl L. Kirk