Patents by Inventor Jagath Chandralal Ekanayake

Jagath Chandralal Ekanayake 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 SYSTEM FOR AUTOMATED DIFFERENTIAL IRRIGATION
    Publication number: 20150272017
    Abstract: The present invention discloses an automated method for optimizing irrigation, whereby different parts of a field are irrigated different amounts, based at least in part on an analysis of spatial soil properties of the field, and extrapolation of data from soil sensors placed in the different parts of a field.
    Type: Application
    Filed: November 6, 2013
    Publication date: October 1, 2015
    Applicant: LANDCARE RESEARCH NEW ZEALAND LIMITED
    Inventors: Carolyn Betty Hedley, Jagath Chandralal Ekanayake, Pierre Roudier, Itzhak Bentwich
  • Soil moisture content measurement system and method
    Patent number: 7222519
    Abstract: The invention provides a soil moisture content measurement system comprising a porous plate arranged to support a soil sample; a hanging water tube extending downwardly from the porous plate, the tube arranged to convey liquid toward and away from the porous plate; a measuring capillary tube in connection with the hanging water tube, the measuring capillary tube arranged to convey liquid toward and away from the hanging water tube; measurement apparatus configured to measure the movement of liquid within the measuring capillary tube; and a data memory configured to receive and store data from the measurement apparatus representing liquid movement measurements within the measuring capillary tube. The invention also provides a related method of measuring soil moisture content.
    Type: Grant
    Filed: June 17, 2003
    Date of Patent: May 29, 2007
    Assignee: Landcare Research New Zealand Limited
    Inventor: Jagath Chandralal Ekanayake