Patents by Inventor Richard A. Fast

Richard A. Fast 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).

  • Device and method for repairing pipe using hydrophilic seals
    Patent number: 6994118
    Abstract: A liner tube is provided for repairing either a single pipe line or a main pipe line having a lateral pipe line connected thereto. The liner tube assembly includes a liner tube impregnated with a liquid material capable of curing and hardening. The liner tube includes two hydrophilic sealing members positioned on opposite sides of the damaged portion of the pipe line. The hydrophilic seals, when encountering liquid expand and form a liquid tight seal between the liner tube and the pipe line.
    Type: Grant
    Filed: December 4, 2003
    Date of Patent: February 7, 2006
    Assignee: Blue Sky Forever, Inc.
    Inventors: Larry W. Kiest, Jr., Richard A. Fast