Patents by Inventor Leonard Butler

Leonard Butler 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: 20110017785
    Abstract: One aspect of the invention concerns a launder assembly (10) for conveying molten material from a metallurgical furnace, The assembly is made up of launder sections (12) arranged end to end with connections between adjacent ends of the launder sections. Each launder section includes a base (14) and spaced apart side walls (16, 18). At each connection between the adjacent ends of two launder sections, the bases of the launder sections are formed with recesses (28) which, in combination, form a cavity (32). A connector (34) is located in the cavity and in that the bases of the launder sections are connected to one another through the connector. In the preferred arrangement, the bases of the launder sections are connected to the connector by fasteners, typically bolts (38) which engage the bases and in threaded holes (42) in the connector.
    Type: Application
    Filed: January 20, 2009
    Publication date: January 27, 2011
    Inventors: Edward Dean Carman, Hugo Joubert, Ryan Leonard Butler
  • Publication number: 20070000921
    Abstract: A single use one-way intermodal cargo container is disclosed which after a single use can be dismantled and its parts disposed by sale, recycling, or scrapping. The appearance of the container of the present invention and its dimensions can be typical of intermodal cargo containers configured as a high-cube, open-top, half-high platform, open side, or standard general cargo container. The interior and exterior of the container are made of metal, synthetic material, wood or canvas, and the exterior can maintain its value as saleable materials, and is constructed to accommodate the dismantling process. Both the front and back ends of the container can be separated from the longitudinal main frame, and the cost of special construction and dismantling will be offset by sale of the parts thereof.
    Type: Application
    Filed: June 27, 2006
    Publication date: January 4, 2007
    Inventors: Leonard Butler, Charles Cushing