Patents by Inventor Mark Steven Sylvia

Mark Steven Sylvia 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).

  • Sub-duct and method of exhausting into a generally vertical main shaft
    Patent number: 8267759
    Abstract: Sub-ducts and methods of exhausting into a generally rectangular and vertical main shaft are disclosed herein. A sub-duct of one embodiment includes hollow first and second portions. The first portion presents a generally flat attaching wall, a top side that defines an opening, and a bottom side that has an aerodynamic configuration; the second portion defines an intake opening, meets with the first portion attaching wall at approximately a ninety degree angle, and has a configuration complementary to a configuration of an exhaust duct. The first and second portions collectively define a continuous channel between the intake opening and the top side opening. The first portion may have a section of generally constant cross section extending from adjacent the second portion to the top side opening, and the second portion may have a generally constant cross section extending from the intake opening to the first portion.
    Type: Grant
    Filed: August 18, 2006
    Date of Patent: September 18, 2012
    Assignee: Subduct Riser Manufacturing, Ltd.
    Inventors: Timothy Edward McNulty, Brian William Ryglewicz, Mark Steven Sylvia