Patents by Inventor Ronald J. Ray

Ronald J. Ray 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).

  • Semiconductor processor opening and closure construction
    Patent number: 5575641
    Abstract: A semiconductor processor including an enclosure with an access opening. A door assembly is supported for translational movement between aligned and displaced positions relative to the access opening. The door assembly has a main part, and an extension part which telescopically moves toward and away from the access opening. A bellows is provided between the main and extension parts. The closed door is sealed by a first face seal and a second expandable seal. A liquids trap is provided to prevent outward escape of liquids from the access opening. A drain removes liquid collected in the trap.
    Type: Grant
    Filed: July 31, 1995
    Date of Patent: November 19, 1996
    Assignee: Semitool, Inc.
    Inventors: Aleksander Owczarz, Ronald J. Ray, Daniel L. Durado
  • Semiconductor processor opening and closure construction
    Patent number: 5449289
    Abstract: A semiconductor processor including an enclosure with an access opening. A door assembly is supported for translational movement between aligned and displaced positions relative to the access opening. The door assembly has a main part, and an extension part which telescopically moves toward and away from the access opening. A bellows is provided between the main and extension parts. The closed door is sealed by a first face seal and a second expandable seal. A liquids trap is provided to prevent outward escape of liquids from the access opening. A drain removes liquid collected in the trap.
    Type: Grant
    Filed: June 30, 1993
    Date of Patent: September 12, 1995
    Assignee: Semitool, Inc.
    Inventors: Aleksander Owczarz, Ronald J. Ray, Daniel L. Durado