Patents by Inventor Davinder Singh Randhawa

Davinder Singh Randhawa 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).

  • Publication number: 20210370366
    Abstract: A closed-loop system and method for heating of target contaminant zones having environmental contaminants of concern present in the groundwater and the soil by thermal conduction, and subsequent enhancements of physical, biological and chemical processes to attenuate, remove and degrade contaminants in the target contaminant treatment zones, is disclosed. The system and method collects solar or other heat and transfers the heat via a closed-loop and a set of borehole exchangers to subsurface soil in the proximity of and/or directly to the target contaminant treatment zones. The target contaminant treatment zone may comprise contaminated soil, contaminated groundwater in an aquifer, or industrial waste comprising water and/or solids. Solar collectors or heat exchangers capturing waste heat from industrial processes may be used as the heat source.
    Type: Application
    Filed: May 28, 2020
    Publication date: December 2, 2021
    Inventors: Cullen Flanders, Davinder Singh Randhawa, John LaChance, Philip W. Visser
  • Patent number: 11185901
    Abstract: A closed-loop system and method for heating of target contaminant zones having environmental contaminants of concern present in the groundwater and the soil by thermal conduction, and subsequent enhancements of physical, biological and chemical processes to attenuate, remove and degrade contaminants in the target contaminant treatment zones, is disclosed. The system and method collects solar or other heat and transfers the heat via a closed-loop and a set of borehole exchangers to subsurface soil in the proximity of and/or directly to the target contaminant treatment zones. The target contaminant treatment zone may comprise contaminated soil, contaminated groundwater in an aquifer, or industrial waste comprising water and/or solids. Solar collectors or heat exchangers capturing waste heat from industrial processes may be used as the heat source.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: November 30, 2021
    Assignee: ARCADIS U.S., INC.
    Inventors: Cullen Flanders, Davinder Singh Randhawa, John LaChance, Philip W. Visser
  • Patent number: 10688545
    Abstract: A closed-loop system and method for heating of target contaminant zones having environmental contaminants of concern present in the groundwater and the soil by thermal conduction, and subsequent enhancements of physical, biological and chemical processes to attenuate, remove and degrade contaminants in the target contaminant treatment zones, is disclosed. The system and method collects solar or other heat and transfers the heat via a closed-loop and a set of borehole exchangers to subsurface soil in the proximity of and/or directly to the target contaminant treatment zones. The target contaminant treatment zone may comprise contaminated soil, contaminated groundwater in an aquifer, or industrial waste comprising water and/or solids. Solar collectors or heat exchangers capturing waste heat from industrial processes may be used as the heat source.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: June 23, 2020
    Assignee: ARCADIS CORPORATE SERVICES INC.
    Inventors: Cullen Flanders, Davinder Singh Randhawa, John LaChance, Philip W. Visser
  • Publication number: 20190351468
    Abstract: A closed-loop system and method for heating of target contaminant zones having environmental contaminants of concern present in the groundwater and the soil by thermal conduction, and subsequent enhancements of physical, biological and chemical processes to attenuate, remove and degrade contaminants in the target contaminant treatment zones, is disclosed. The system and method collects solar or other heat and transfers the heat via a closed-loop and a set of borehole exchangers to subsurface soil in the proximity of and/or directly to the target contaminant treatment zones. The target contaminant treatment zone may comprise contaminated soil, contaminated groundwater in an aquifer, or industrial waste comprising water and/or solids. Solar collectors or heat exchangers capturing waste heat from industrial processes may be used as the heat source.
    Type: Application
    Filed: July 29, 2019
    Publication date: November 21, 2019
    Inventors: Cullen Flanders, Davinder Singh Randhawa, John LaChance, Philip W. Visser
  • Patent number: 10384246
    Abstract: A closed-loop system and method for heating of target contaminant treatment zones (150) having environmental contaminants of concern present in the groundwater and the soil by thermal conduction, and subsequent enhancement of physical, biological and chemical processes to attenuate, remove and degrade contaminants in the target contaminant treatment zones, is disclosed. The system and method collects solar or other heat and transfers that heat via a closed-loop and a set of borehole exchangers (120) to subsurface soil in the proximity of and/or directly to the target contaminant treatment zones. The target contaminant treatment zone may comprise contaminated soil, contaminated groundwater in an aquifer, or industrial waste comprising water and/or solids. Solar collectors or heat exchangers capturing waste heat from industrial processes may be used as the heat source (110).
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: August 20, 2019
    Assignee: Arcadis Corporate Services Inc.
    Inventors: Cullen Flanders, Davinder Singh Randhawa, John LaChance, Philip W. Visser
  • Publication number: 20170326604
    Abstract: A closed-loop system and method for heating of target contaminant treatment zones (150) having environmental contaminants of concern present in the groundwater and the soil by thermal conduction, and subsequent enhancement of physical, biological and chemical processes to attenuate, remove and degrade contaminants in the target contaminant treatment zones, is disclosed. The system and method collects solar or other heat and transfers that heat via a closed-loop and a set of borehole exchangers (120) to subsurface soil in the proximity of and/or directly to the target contaminant treatment zones. The target contaminant treatment zone may comprise contaminated soil, contaminated groundwater in an aquifer, or industrial waste comprising water and/or solids. Solar collectors or heat exchangers capturing waste heat from industrial processes may be used as the heat source (110).
    Type: Application
    Filed: October 16, 2015
    Publication date: November 16, 2017
    Applicant: ARCADIS Corporate Services Inc.
    Inventors: Cullen Flanders, Davinder Singh Randhawa, John LaChance, Philip W. Visser