Patents by Inventor SAMUEL AUGUSTINE LEDWELL

SAMUEL AUGUSTINE LEDWELL 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).

  • Control system for nitrogen and phosphorus removal
    Patent number: 10207941
    Abstract: A central controller is used in a treatment method and system for removing at least one of nitrogen or phosphorus from wastewater. Based on data received from a plurality of sensors, each of which is coupled to a component of a wastewater treatment system, a control signal is sent from the central controller to at least one chemical delivery system, which dispenses at least one chemical compound into the wastewater in an amount effective to reduce the level of nitrogen or phosphorus in the wastewater.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: February 19, 2019
    Assignee: Environmental Operating Solutions, Inc.
    Inventors: Samuel Augustine Ledwell, Albert Paul Togna
  • CONTROL SYSTEM FOR NITROGEN AND PHOSPHORUS REMOVAL
    Publication number: 20160272519
    Abstract: A central controller is used in a treatment method and system for removing at least one of nitrogen or phosphorus from wastewater. Based on data received from a plurality of sensors, each of which is coupled to a component of a wastewater treatment system, a control signal is sent from the central controller to at least one chemical delivery system, which dispenses at least one chemical compound into the wastewater in an amount effective to reduce the level of nitrogen or phosphorus in the wastewater.
    Type: Application
    Filed: October 2, 2015
    Publication date: September 22, 2016
    Applicant: ENVIRONMENTAL OPERATING SOLUTIONS, INC.
    Inventors: SAMUEL AUGUSTINE LEDWELL, Albert Paul Togna