Patents by Inventor Robert Morrell

Robert Morrell 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).

  • Patent number: 5720797
    Abstract: The present invention relates to a process for recovering sulfur hexafluoride ("SF.sub.6 "). More specifically, the invention provides a pressure swing adsorption--desorption process for recovering SF.sub.6 from a gas stream using zeolites, activated carbons, or silicalites to adsorb the SF.sub.6.
    Type: Grant
    Filed: December 18, 1996
    Date of Patent: February 24, 1998
    Assignee: AlliedSignal Inc.
    Inventors: Stephen Frederic Yates, Romulus Gaita, Amar Ramachandra, Robert Morrell