Patents by Inventor Kelvin Legge

Kelvin Legge 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).

  • Geotechnical barrier
    Publication number: 20060002764
    Abstract: A geotechnical barrier includes a first barrier layer; a second barrier layer overlying the first barrier layer and spaced therefrom, the first and second barrier layers defining, at least in part, a fluid passageway having an inlet and an outlet; and fluid displacement means for displacing a fluid through said fluid passageway from the inlet to the outlet. The invention extends to method for constructing and operating a geotechnical barrier and to a geosynthetic barrier and a geocomposite geosynthetic barrier.
    Type: Application
    Filed: September 30, 2003
    Publication date: January 5, 2006
    Inventors: Kelvin Legge, Petrus Meyer