Patents by Inventor Staffan Jansson

Staffan Jansson 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).

  • Apparatus for removing gas filter
    Patent number: 4057406
    Abstract: A stand provided with a bag positioned over an opening to remove filter.
    Type: Grant
    Filed: January 8, 1976
    Date of Patent: November 8, 1977
    Assignee: AB Svenska Flaktfabriken
    Inventor: Staffan Jansson
  • Gas filter tube locking apparatus
    Patent number: 4014672
    Abstract: Apparatus for detachably locking a gas filter in operative position in a wall opening, wherein the upper end of the bag has a circumferential thickened portion which is retained, in a converging section of a socket mounted in the opening, by means of a locking cylinder which fits closely within the socket and within the upper end of the bag and is readily insertable and removable by means of a foldable handle thereon.
    Type: Grant
    Filed: January 8, 1976
    Date of Patent: March 29, 1977
    Assignee: Aktiebolaget Svenska Flaktfabriken
    Inventor: Staffan Jansson
  • Frame for dust filter bags
    Patent number: D289813
    Type: Grant
    Filed: December 11, 1984
    Date of Patent: May 12, 1987
    Assignee: Flakt Aktiebolag
    Inventors: Staffan Jansson, Jan Sandberg, Hakan Arvidson, Svante Berglund