Patents by Inventor Gerrit De Haan

Gerrit De Haan 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).

  • Vacuum apparatus
    Patent number: 5022829
    Abstract: The present invention provides an apparatus having a high vacuum environment and a plurality of components located within the high vacuum environment so as to be exposed to high vacuum. At least one of the plurality of components is formed from a plastic material comprising liquid crystal polymer to prevent outgassing of the plastics material in the high vacuum environment.
    Type: Grant
    Filed: October 12, 1989
    Date of Patent: June 11, 1991
    Assignee: The BOC Group plc
    Inventor: Gerrit De Haan