Patents by Inventor Christopher J Hunter

Christopher J Hunter 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).

  • Lift arrangements
    Patent number: 6176194
    Abstract: A lift arrangement for conveying a load between two levels in a lift shaft, said lift arrangement comprising two platform means each mounted for movement within said lift shaft between one level and the other, each platform means being changeable between a load-carrying configuration in which it extends across a substantial extent of the lift shaft, and a bypass configuration in which it allows the other floor means to pass it when in a load carrying configuration.
    Type: Grant
    Filed: September 17, 1999
    Date of Patent: January 23, 2001
    Assignee: Bae Systems plc
    Inventors: George R Seyfang, Christopher J Hunter