Patents by Inventor Robert Norman NELSON

Robert Norman NELSON 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).

  • Patent number: 10969141
    Abstract: A water heating apparatus includes: a water container configured to heat water via a convection process by receiving the water through an inlet and passing water through an outlet; and one positive temperature coefficient (PTC) heating element or a plurality of PTC heating elements arranged within the water container and configured to be immersed during the convection process. The plurality of PTC heating elements have a gap between each PTC heating element. Further, the water heating apparatus includes at least one ultrasonic transducer attached to the water container and configured to project ultrasound onto and around the PTC heating element or the plurality PTC heating elements within the water container and to descale the PTC heating element or the plurality of PTC heating elements.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: April 6, 2021
    Assignee: NGB INNOVATIONS LLC
    Inventors: Robert Norman Nelson, Daniel James Brown, Antony Howard Gaynair
  • Publication number: 20190285313
    Abstract: A water heating apparatus includes: a water container configured to heat water via a convection process by receiving the water through an inlet and passing water through an outlet; and one positive temperature coefficient (PTC) heating element or a plurality of PTC heating elements arranged within the water container and configured to be immersed during the convection process. The plurality of PTC heating elements have a gap between each PTC heating element. Further, the water heating apparatus includes at least one ultrasonic transducer attached to the water container and configured to project ultrasound onto and around the PTC heating element or the plurality PTC heating elements within the water container and to descale the PTC heating element or the plurality of PTC heating elements.
    Type: Application
    Filed: March 13, 2018
    Publication date: September 19, 2019
    Applicant: NGB INNOVATIONS LLC
    Inventors: Robert Norman NELSON, Daniel James BROWN, Anthony Howard GAYNAIR