Patents by Inventor Lars Christer Dahlquist

Lars Christer Dahlquist 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).

  • Noise-reducing blowing nozzle
    Patent number: 3973642
    Abstract: A jet nozzle is described in which the noise is greatly reduced. It comprises a tapering thick-walled tube of rubber or plastic, to the wider end of which a pressurized fluid is supplied through a porous filter body retained by a cup-shaped bowl having a perforated bottom.
    Type: Grant
    Filed: April 1, 1975
    Date of Patent: August 10, 1976
    Assignee: Sunne Gummifabrik AB
    Inventor: Lars Christer Dahlquist