Patents by Inventor Ronald C. Harris

Ronald C. Harris 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).

  • Pipe, a method of constructing the pipe and a method of lining or re-lining a sewer using the pipe as a liner
    Patent number: 6089279
    Abstract: The present invention relates to a pipe having a pipe section (10) which comprises two or more panels (11, 12, 13, 14, 15) which extend longitudinally along the pipe section (10). Two or more connecting strips (16) are provided which are integers independent from the two or more panels (11, 12, 13, 14, 15). The connecting strips (16) extend longitudinally along the pipe section (10) and each of the connecting strips (16) connects a first panel (e.g. 11) to a second panel (e.g. 12). Preferably, each panel (11, 12, 13, 14, 15) is formed by cutting a one piece pipe lengthwise.
    Type: Grant
    Filed: May 8, 1997
    Date of Patent: July 18, 2000
    Assignee: Johnston Pipes Limited
    Inventors: Graham Clarke, Ronald C. Harris