Patents by Inventor Pia Larsson Brelid

Pia Larsson Brelid 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).

  • Microwave system for heating voluminous elongated loads
    Patent number: 6833537
    Abstract: A Microwave heating system includes an elongated cylindrical metal cavity intended for heating a voluminous elongated load. The system includes microwave feeding means arranged to generate a single mode of the circular type TEm;n;p (a so-called whispering gallery mode) inside the cavity in order to heat the elongated load, wherein the circumferential index m is at least 4, the radial index n=1 and the axial index p being >0. The heating system is preferably adapted for wood processing.
    Type: Grant
    Filed: December 6, 2002
    Date of Patent: December 21, 2004
    Assignee: A-Cell Acetyl Cellulosics AB
    Inventors: Per Olov G. Risman, Pia Larsson Brelid, Rune Simonson
  • Microwave system for heating voluminous elongated loads
    Publication number: 20030205574
    Abstract: Microwave heating system comprising an elongated cylindrical metal cavity intended for heating a voluminous elongated load.
    Type: Application
    Filed: December 6, 2002
    Publication date: November 6, 2003
    Inventors: Per Olov G. Risman, Pia Larsson Brelid, Rune Simonson