Patents by Inventor Wolfgang Knuhl

Wolfgang Knuhl 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).

  • Venting nozzle
    Patent number: 6016976
    Abstract: A venting nozzle has a housing having an air inlet through which an air flow enters the housing. The housing has an outlet through which the air flow exits. The outlet has deflection elements for deflecting the air flow. Parallel flaps are pivotably connected in the housing for shutting off the air flow. Meshing gear segments are positioned in the housing and connect the flaps. The meshing gear segments are arranged outside the air flow. A rotary control is coordinated with one of the flaps for controlling positioning of the flaps.
    Type: Grant
    Filed: June 6, 1997
    Date of Patent: January 25, 2000
    Assignee: Aurora Konrad G. Schulz GmbH & Co.
    Inventors: Alfred Kern, Wolfgang Knuhl
  • Air nozzle
    Patent number: 5820457
    Abstract: An air nozzle has an air nozzle body and a lamella arrangement for directing the air flow exiting from the air nozzle. The lamella arrangement includes first lamellas connected to the air nozzle body so as to be pivotable about parallel-extending first pivot axes. A roller is fastened within the air nozzle body so as to be pivotable about a second pivot axis. The roller has second lamellas positioned slantedly to the second pivot axis. The second pivot axis and the first pivot axes extend parallel to one another.
    Type: Grant
    Filed: January 3, 1997
    Date of Patent: October 13, 1998
    Assignee: Aurora Konrad G. Schulz GmbH & Co.
    Inventors: Alfred Kern, Wolfgang Knuhl, Roland Gruner