Patents by Inventor A. C. Baumgartner

A. C. Baumgartner 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: 5645104
    Abstract: A device for use in evacuating fluid from a tubular refrigerant line comprises an elongated hollow tubular frame, which has a line seating extension attached to an open end of the frame and spaced from the end for engaging a refrigerant line in a position centered at right angles to the central axis of the elongated tubular frame. A reciprocating hollow inner tube is mounted for movement within the hollow frame and it has a piercing point on one end for movement into and out of engagement with a refrigerant line seated in the line seating extension. A resilient seal surrounds the piercing point for movement with it; and a cam mounted on the frame is used to move the inner tube to cause the piercing point to engage and pierce a refrigerant line located in the line seating extension.
    Type: Grant
    Filed: October 7, 1996
    Date of Patent: July 8, 1997
    Inventor: A. C. Baumgartner