Patents by Inventor Agnar KOPPERUD

Agnar KOPPERUD 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).

  • Heating device for fluid
    Patent number: 10174737
    Abstract: A heating device for heating of a fluid, particularly in a vehicle or vessel, comprising at least one heating element in a housing with a house wall and a fluid inlet and a fluid outlet. The wall or a part of this or a part of the house wall is a heat conductor for conducting heat between the heating element and at least one of the fluid channels. At least one chamber is defined by the at least one wall and a portion of the housing wall, or by walls in pairs between the fluid channels. The heating element is mountable in the chamber, which has an opening towards the outside of the housing. The opening is not fluidly connected to the fluid channels. The heating element can be a PTC element.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: January 8, 2019
    Assignee: DEFA AS
    Inventors: Geir Kåre Øen, Pål Sandøy, Agnar Kopperud
  • Heating device for fluid
    Patent number: 10145351
    Abstract: A heating device for heating of a fluid, particularly in a vehicle or vessel, comprising at least one heating element in a housing with a house wall and a fluid inlet and a fluid outlet. The wall or a part of this or a part of the house wall is a heat conductor for conducting heat between the heating element and at least one of the fluid channels. At least one chamber is defined by the at least one wall and a portion of the housing wall, or by walls in pairs between the fluid channels. The heating element is mountable in the chamber, which has an opening towards the outside of the housing. The opening is not fluidly connected to the fluid channels. The heating element can be a PTC element.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: December 4, 2018
    Assignee: DEFA AS
    Inventors: Geir Kåre Øen, Pål Sandøy, Agnar Kopperud
  • HEATING DEVICE FOR FLUID
    Publication number: 20170016421
    Abstract: A heating device for heating of a fluid, particularly in a vehicle or vessel, comprising at least one heating element in a housing with a house wall and a fluid inlet and a fluid outlet. The wall or a part of this or a part of the house wall is a heat conductor for conducting heat between the heating element and at least one of the fluid channels. At least one chamber is defined by the at least one wall and a portion of the housing wall, or by walls in pairs between the fluid channels. The heating element is mountable in the chamber, which has an opening towards the outside of the housing. The opening is not fluidly connected to the fluid channels. The heating element can be a PTC element.
    Type: Application
    Filed: January 16, 2015
    Publication date: January 19, 2017
    Applicant: DEFA AS
    Inventors: Geir Kåre ØEN, Pål SANDØY, Agnar KOPPERUD