Patents by Inventor Dan Goldhawk

Dan Goldhawk 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).

  • Apparatus and method for the injection of viscous fertilizer below the surface of the soil
    Patent number: 8100067
    Abstract: The invention pertains to apparatus and methods for injecting viscous fertilizer, such as dewatered biosolids, below the surface of the soil. The invention also pertains to apparatus and methods for creating a continuous flow of viscous material and for dividing a flow of viscous material.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: January 24, 2012
    Assignee: American Water Works Company, Inc.
    Inventors: Phil Sidhwa, Dan Goldhawk, Walter Stewart Grose, Gordon Raymond Grose
  • Apparatus and Method for the Injection of Viscous Fertilizer Below the Surface of the Soil
    Publication number: 20100313799
    Abstract: The invention pertains to apparatus and methods for injecting viscous fertilizer, such as dewatered biosolids, below the surface of the soil. The invention also pertains to apparatus and methods for creating a continuous flow of viscous material and for dividing a flow of viscous material.
    Type: Application
    Filed: August 3, 2010
    Publication date: December 16, 2010
    Applicant: American Water Works Company, Inc.
    Inventors: Phil Sidhwa, Dan Goldhawk, Walter Stewart Grose, Gordon Raymond Grose
  • Apparatus and method for the injection of viscous fertilizer below the surface of the soil
    Patent number: 7775168
    Abstract: The invention pertains to apparatus and methods for injecting viscous fertilizer, such as dewatered biosolids, below the surface of the soil. The invention also pertains to apparatus and methods for creating a continuous flow of viscous material and for dividing a flow of viscous material.
    Type: Grant
    Filed: April 24, 2006
    Date of Patent: August 17, 2010
    Assignee: American Water Works Company, Inc.
    Inventors: Phil Sidhwa, Dan Goldhawk, Walter Stewart Grose, Gordon Raymond Grose
  • Apparatus and method for the injection of viscous fertilizer below the surface of the soil
    Publication number: 20070245936
    Abstract: The invention pertains to apparatus and methods for injecting viscous fertilizer, such as dewatered biosolids, below the surface of the soil. The invention also pertains to apparatus and methods for creating a continuous flow of viscous material and for dividing a flow of viscous material.
    Type: Application
    Filed: April 24, 2006
    Publication date: October 25, 2007
    Inventors: Phil Sidhwa, Dan Goldhawk, Walter Grose, Gordon Grose