Patents by Inventor Stephen Van Lukas

Stephen Van Lukas 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).

  • Venting method for a chromatograph oven
    Patent number: 4181613
    Abstract: An oven for a chromatograph is shown in which intake and exhaust ports are both located on the opposite side of the fan from the columns, and in such manner that ambient air entering through the intake port merges with hot air from the oven before reaching the columns.
    Type: Grant
    Filed: April 8, 1977
    Date of Patent: January 1, 1980
    Assignee: Hewlett-Packard Company
    Inventors: Paul B. Welsh, Stephen Van Lukas