Patents by Inventor Hans Oravala

Hans Oravala 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: 5638250
    Abstract: A capacitor which is provided with internal protection and in which plastic film is wound around a core tube (3) to form a capacitor cylinder (2). Metallic contact surfaces (4, 5) are formed at the ends of the cylinder to connect connecting leads, and a fusible portion (9) is provided between the second contact surface (5) and the phase lead, said fusible portion (9) serving both as a thermal fuse and as an overload protector.
    Type: Grant
    Filed: September 18, 1995
    Date of Patent: June 10, 1997
    Assignee: Nokia Kondensaattorit Oy
    Inventor: Hans Oravala