Patents by Inventor Rikard Wallman

Rikard Wallman 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: 7894712
    Abstract: A heater for an electrical fireplace comprises a heating element (1) and a blower fan (2), the blower fan (2) being releasably attached to the heating element (1). Interacting members (9a1-3, 9a2?, 9b1-3, 9b1?, 9b3?, 14a1-3, 14b1) are provided on the heating element (1) and on the blower fan (2), which members (9a1-3, 9a2?, 9b1-3, 9b1?, 9b3?, 14a1-3, 14b1) are designed to be, engaged with one another to hold the heating element (1) in position relative the blower fan (2).
    Type: Grant
    Filed: March 2, 2005
    Date of Patent: February 22, 2011
    Assignee: Fergas AB
    Inventors: Hans Karlsson, Rikard Wallman
  • Publication number: 20080037963
    Abstract: A heater for an electrical fireplace comprises a heating element (1) and a blower fan (2), the blower fan (2) being releasably attached to the heating element (1). Interacting members (9a1-3, 9a2?, 9b1-3, 9b1?, 9b3?, 14a1-3, 14b1) are provided on the heating element (1) and on the blower fan (2), which members (9a1-3, 9a2?, 9b1-3, 9b1?, 9b3?, 14a1-3, 14b1) are designed to be, engaged with one another to hold the heating element (1) in position relative the blower fan (2).
    Type: Application
    Filed: March 2, 2005
    Publication date: February 14, 2008
    Inventors: Hans Karlsson, Rikard Wallman