Patents by Inventor Geoffrey Charles Cresswell

Geoffrey Charles Cresswell 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).

  • PREVENTION OF ROOT INTRUSION IN SUB-SURFACE STRUCTURES
    Publication number: 20170118931
    Abstract: The invention relates to a geotextile that is treated with: a metal such as copper to prevent plant roots or microorganisms growing on and through the geotextile. The geotextile is used in conjunction with a subsurface fluid supply system, where the treated geotextile prevents the ingress of roots into drippers that are disposed on conduit of the fluid supply system.
    Type: Application
    Filed: May 19, 2014
    Publication date: May 4, 2017
    Applicant: Irrigation & Water Technologies IP Pty Ltd
    Inventors: Geoffrey Charles Cresswell, David Hinton