Patents by Inventor Rene Kägi

Rene Kägi 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).

  • Device for sealing or reducing holes, and connecting holes with a tube end
    Patent number: 6863276
    Abstract: A method and device for sealing or reducing holes or their connection with a tube end or similar fitting is characterized by at least one element with disc shaped surface with a rim smaller than the diameter of the hole to receive the element worth cone or some shaped surface with the wall of the drill hole under axial pressure, possibly with an additional tumbling action, and at least a temporary support of the element, the element of the device being placed into the drill hole and then with axial pressure from outside, e.g. by a punch, possible with an additional tumbling action, at least a radial shift of the disc shaped surface of the element and a press fit with the wall of the drill hole is achieved.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: March 8, 2005
    Assignee: The Lee Company
    Inventor: Rene Kaegi
  • Process for sealing or reducing holes, and connecting holes with a tube end
    Patent number: 6708978
    Abstract: A method and device for sealing or reducing holes or their connection with a tube end or similar fitting is characterized by at least one element with disc shaped surface with a rim smaller than the diameter of the hole to receive the element worth cone or some shaped surface with the wall of the drill hole under axial pressure, possibly with an additional tumbling action, and at least a temporary support of the element, the element of the device being placed into the drill hole and then with axial pressure from outside, e.g. by a punch, possible with an additional tumbling action, at least a radial shift of the disc shaped surface of the element and a press fit with the wall of the drill hole is achieved.
    Type: Grant
    Filed: July 18, 2001
    Date of Patent: March 23, 2004
    Assignee: The Lee Company
    Inventor: Rene Kägi