Patents by Inventor Alan N. Henzi

Alan N. Henzi 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).

  • Tank car manway cover
    Patent number: 7131455
    Abstract: A manway cover assembly for a railroad tank car. The manway cover assembly is moveable between a closed position in covering relationship with a manway nozzle and an open position that permits access into the tank car. The manway cover assembly includes a manway cover having a generally inwardly convex central portion and a generally flat outer annular portion having an inwardly facing recess formed therein for receipt of an upper edge of the manway nozzle. A generally flat round weather shield member is attached to the outer ring member in covering relationships with the central inwardly convex portion of the manway cover member.
    Type: Grant
    Filed: January 27, 2005
    Date of Patent: November 7, 2006
    Assignee: Union Tank Car Company
    Inventors: Blaise A. Horban, Carl L. Carney, Alan N. Henzi