Patents by Inventor Terry E. Hartman

Terry E. Hartman 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).

  • Glassware machine
    Patent number: 6701748
    Abstract: A glassware machine having a glassware mold and a movable plunger positioned adjacent to the glassware mold for pressing a glass gob in the glassware mold to form a glassware article. The glassware machine includes an electric motor operatively connected to the plunger to move the plunger with respect to the glassware mold to provide accurate pressing of the glass gob when forming the glassware article.
    Type: Grant
    Filed: October 6, 2000
    Date of Patent: March 9, 2004
    Assignee: Libbey Glass Inc.
    Inventors: Terry E. Hartman, John R. Mechel, Richard A. Miller, Craig A. Hanneman
  • Valve hamper assembly
    Patent number: 6253579
    Abstract: A valve hamper assembly for a glassware machine having a camming surface and a movable follower surface engaging the camming surface. A movable valve is operatively connected to the follower surface. A movement device is operatively connected to the follower surface for moving the follower surface along the camming surface to cause movement of the valve.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: July 3, 2001
    Assignee: Libbey Glass Inc.
    Inventors: Terry E. Hartman, Herbert C. Kroh, David E. Crots
  • Common cage assembly
    Patent number: 6233975
    Abstract: A common cage assembly for a mold for a glassware machine having a mold support member. The assembly further includes a first cage member and a second cage member. Each of the cage members is movably mounted adjacent to the mold support member. Each of the cage members has a mold receiving surface.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: May 22, 2001
    Assignee: Libbey Glass Inc.
    Inventors: Terry E. Hartman, Herbert C. Kroh, David E. Crots
  • Cooling system for a glassware machine
    Patent number: 6038889
    Abstract: A cooling system for use with a glassware machine having a plunger, a mold and a valve. The system includes a supply of cooling fluid such as air. The system further includes devices for cooling the plunger, the mold and the valve that are in communication with the supply of fluid.
    Type: Grant
    Filed: April 14, 1999
    Date of Patent: March 21, 2000
    Assignee: Libbey Glass Inc.
    Inventors: Terry E. Hartman, Herbert C. Kroh, David E. Crots