Patents by Inventor Joe Schirra

Joe Schirra 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).

  • Mass transfer device
    Patent number: 5911922
    Abstract: A mass transfer device is provided in the form of a tray having moveable valves which includes perforations spanned by bridge members shaped to divert liquid flowing in the design flow direction around the perforation such that gas rising through the perforation causes the valve to open and then encounters the liquid flow essentially at right angles.
    Type: Grant
    Filed: May 6, 1998
    Date of Patent: June 15, 1999
    Assignee: Norton Chemical Process Products Corporation
    Inventors: Richard P. Hauser, Bruce C. Taylor, John Harris, Joe Schirra, Frank Rukovens
  • Mass transfer device
    Patent number: 5762834
    Abstract: A mass transfer device is provided in the form of a tray having perforations spanned by bridge members shaped to divert liquid flowing in the design flow direction around the perforation such that gas rising through the perforation encounters the liquid flow essentially at right angles.
    Type: Grant
    Filed: February 5, 1997
    Date of Patent: June 9, 1998
    Inventors: Richard P. Hauser, Bruce C. Taylor, John Harris, Joe Schirra