Patents by Inventor George Franklyn Bremner

George Franklyn Bremner 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 conduit vehicle
    Patent number: 6944902
    Abstract: A pipe conduit vehicle having a substantially cylindrical housing and with at least one ring-shaped sealing element disposed between the outer side of the housing and the inner wall of the pipe conduit can be moved in the pipe conduit via the transport fluid flow. The pipe conduit vehicle thereby comprises at least one inlet opening and at least one outlet opening which form a bypass through the inner portion of the housing to reduce the pressure differential before and after the pipe conduit vehicle, wherein the at least one inlet opening is disposed on the outer surface of the cylindrical housing.
    Type: Grant
    Filed: November 24, 1999
    Date of Patent: September 20, 2005
    Assignee: PII Pipetronix GmbH
    Inventors: Thomas Richter, Frank Gunter, George Franklyn Bremner, Corry Comello