Patents by Inventor Jack C. Fisk

Jack C. Fisk 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).

  • Method and apparatus for repairing pipe
    Patent number: 5915420
    Abstract: In a substantially resilient conduit having fluid flowing therethrough from an upstream position to a downstream position and a breach intermediate the positions, a method of repairing the breach, the method comprising the steps of engaging the conduit at a location upstream of the breach to substantially interrupt the fluid flow through the conduit, repairing the breach, disengaging the conduit from the location to re-establish the fluid flow through the conduit, and reinforcing the location.
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: June 29, 1999
    Inventors: Paul F. Dwight, Jr., Jack C. Fisk