Patents by Inventor Malcolm W. Clark

Malcolm W. Clark 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).

  • Distribution grid support structure
    Patent number: 4539183
    Abstract: A support structure for a distribution grid to be mounted in a reaction vessel wherein the reaction vessel is formed with an inwardly-extending annular shoulder portion to which is mounted, such as by welding, a ring-member whereby the distribution grid is mounted on such support structure.
    Type: Grant
    Filed: May 13, 1983
    Date of Patent: September 3, 1985
    Assignee: The Lummus Company
    Inventors: Malcolm W. Clark, Harold B. Kohn