Patents by Inventor Ralph E. Casas

Ralph E. Casas 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).

  • Publication number: 20040000731
    Abstract: A collapsible sparger for insertion into a vessel through a flanged opening is disclosed having a central tubular conduit having a plurality of rotatable members along its length. The rotatable members may be rotated and secured into position after insertion.
    Type: Application
    Filed: January 11, 2002
    Publication date: January 1, 2004
    Applicant: CATALYTIC DISTILLATION TECHNOLOGIES
    Inventors: Ralph E. Casas, Henry J. Semerak, Rodney D. Chevalier, Willibrord A. Groten, Clifford S. Crossland
  • Patent number: 6659434
    Abstract: A collapsible sparger for insertion into a vessel through a flanged opening is disclosed having a central tubular conduit having a plurality of rotatable members along its length. The rotatable members may be rotated and secured into position after insertion.
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: December 9, 2003
    Assignee: Catalytic Distillation Technologies
    Inventors: Ralph E. Casas, Henry J. Semerak, Rodney D. Chevalier, Willibrord A. Groten, Clifford S. Crossland