Patents by Inventor Attanayake Mudiyanselage Gamini Seneviratne

Attanayake Mudiyanselage Gamini Seneviratne 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).

  • Corrosion protection using a sacrificial anode
    Patent number: 10053782
    Abstract: Corrosion protection of steel in concrete is provided by locating an anode assembly including both a sacrificial anode and an impressed current anode in contact with the concrete and providing an impressed current from a power supply to the anode. The impressed current anode forms a perforated sleeve surrounding a rod of the sacrificial anode material with an activated ionically-conductive filler material between. The system can be used without the power supply in sacrificial mode or when the power supply is connected, the impressed current anode can be powered to provide an impressed current system and/or to recharge the sacrificial anode from sacrificial anode corrosion products.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: August 21, 2018
    Assignee: Vector Corrosion Technologies Ltd.
    Inventors: George Sergi, Attanayake Mudiyanselage Gamini Seneviratne, David Whitmore
  • Corrosion Protection Using a Sacrificial Anode
    Publication number: 20150299868
    Abstract: Corrosion protection of steel in concrete is provided by locating an anode assembly including both a sacrificial anode and an impressed current anode in contact with the concrete and providing an impressed current from a power supply to the anode. The impressed current anode forms a perforated sleeve surrounding a rod of the sacrificial anode material with an activated ionically-conductive filler material between. The system can be used without the power supply in sacrificial mode or when the power supply is connected, the impressed current anode can be powered to provide an impressed current system and/or to recharge the sacrificial anode from sacrificial anode corrosion products.
    Type: Application
    Filed: January 21, 2015
    Publication date: October 22, 2015
    Inventors: George Sergi, Attanayake Mudiyanselage Gamini Seneviratne, David Whitmore
  • Two stage cathodic protection system using impressed current and galvanic action
    Patent number: 8968549
    Abstract: Cathodic protection of steel in concrete is provided by locating an anode assembly including both a sacrificial anode and an impressed current anode in contact with the concrete and providing an impressed current from a power supply to the anode. The impressed current anode forms a perforated sleeve surrounding a rod of the sacrificial anode material with an activated ionically-conductive filler material between. The system can be used without the power supply in sacrificial mode or when the power supply is connected, the impressed current anode can be powered to provide an impressed current system and/or to recharge the sacrificial anode from sacrificial anode corrosion products.
    Type: Grant
    Filed: July 19, 2012
    Date of Patent: March 3, 2015
    Assignee: Vector Corrosion Technologies Ltd.
    Inventors: George Sergi, Attanayake Mudiyanselage Gamini Seneviratne, David Whitmore
  • Charging a sacrificial anode with ions of the sacrificial material
    Patent number: 8961746
    Abstract: Cathodic protection of steel in concrete is provided by locating an anode assembly including both a sacrificial anode and an impressed current anode in contact with the concrete and providing an impressed current from a power supply to the anode. The impressed current anode forms a perforated sleeve surrounding a rod of the sacrificial anode material with an activated ionically-conductive filler material between. The system can be used without the power supply in sacrificial mode or when the power supply is connected, the impressed current anode can be powered to provide an impressed current system and/or to recharge the sacrificial anode from sacrificial anode corrosion products.
    Type: Grant
    Filed: July 19, 2012
    Date of Patent: February 24, 2015
    Assignee: Vector Corrosion Technologies Ltd.
    Inventors: George Sergi, Attanayake Mudiyanselage Gamini Seneviratne, David Whitmore
  • Two Stage Cathodic Protection System Using Impressed Current and Galvanic Action
    Publication number: 20140021063
    Abstract: Cathodic protection of steel in concrete is provided by locating an anode assembly including both a sacrificial anode and an impressed current anode in contact with the concrete and providing an impressed current from a power supply to the anode. The impressed current anode forms a perforated sleeve surrounding a rod of the sacrificial anode material with an activated ionically-conductive filler material between. The system can be used without the power supply in sacrificial mode or when the power supply is connected, the impressed current anode can be powered to provide an impressed current system and/or to recharge the sacrificial anode from sacrificial anode corrosion products.
    Type: Application
    Filed: July 19, 2012
    Publication date: January 23, 2014
    Inventors: George Sergi, Attanayake Mudiyanselage Gamini Seneviratne, David Whitmore
  • Charging a Sacrificial Anode with Ions of the Sacrificial Material
    Publication number: 20140021062
    Abstract: Cathodic protection of steel in concrete is provided by locating an anode assembly including both a sacrificial anode and an impressed current anode in contact with the concrete and providing an impressed current from a power supply to the anode. The impressed current anode forms a perforated sleeve surrounding a rod of the sacrificial anode material with an activated ionically-conductive filler material between. The system can be used without the power supply in sacrificial mode or when the power supply is connected, the impressed current anode can be powered to provide an impressed current system and/or to recharge the sacrificial anode from sacrificial anode corrosion products.
    Type: Application
    Filed: July 19, 2012
    Publication date: January 23, 2014
    Inventors: George Sergi, Attanayake Mudiyanselage Gamini Seneviratne, David Whitmore
  • Apparatus for Cathodic Protection System Using an Impressed Current Anode and a Sacrificial Anode
    Publication number: 20140021039
    Abstract: Cathodic protection of steel in concrete is provided by locating an anode assembly including both a sacrificial anode and an impressed current anode in contact with the concrete and providing an impressed current from a power supply to the anode. The impressed current anode forms a perforated sleeve surrounding a rod of the sacrificial anode material with an activated ionically-conductive filler material between. The system can be used without the power supply in sacrificial mode or when the power supply is connected, the impressed current anode can be powered to provide an impressed current system and/or to recharge the sacrificial anode from sacrificial anode corrosion products.
    Type: Application
    Filed: July 19, 2012
    Publication date: January 23, 2014
    Inventors: George Sergi, Attanayake Mudiyanselage Gamini Seneviratne, David Whitmore
  • Corrosion protection using a sacrificial anode
    Patent number: RE49882
    Abstract: Corrosion protection of steel in concrete is provided by locating an anode assembly including both a sacrificial anode and an impressed current anode in contact with the concrete and providing an impressed current from a power supply to the anode. The impressed current anode forms a perforated sleeve surrounding a rod of the sacrificial anode material with an activated ionically-conductive filler material between. The system can be used without the power supply in sacrificial mode or when the power supply is connected, the impressed current anode can be powered to provide an impressed current system and/or to recharge the sacrificial anode from sacrificial anode corrosion products.
    Type: Grant
    Filed: June 23, 2022
    Date of Patent: March 26, 2024
    Assignee: Vector Corrosion Technologies Ltd.
    Inventors: George Sergi, Attanayake Mudiyanselage Gamini Seneviratne, David Whitmore