Patents by Inventor Carl Henrik Tullstedt

Carl Henrik Tullstedt 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).

  • Device for increasing heat transfer
    Patent number: 6252769
    Abstract: A device for increasing heat transfer from an object includes at least one oscillating membrane for generating air motion in air surrounding the object, and a nozzle for affecting the air motion so that the air motion causes a continuous exchange of the air surrounding the object.
    Type: Grant
    Filed: December 10, 1999
    Date of Patent: June 26, 2001
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Carl Henrik Tullstedt, Patrik Bergman, Anders Edgren