Patents by Inventor Sigfried Umlauf

Sigfried Umlauf 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).

  • Louvre system
    Publication number: 20020129553
    Abstract: A louvre system is disclosed which includes a frame having spaced apart side frame members (13, 14). A plurality of louvre blades are disposed between, and mounted to the side frame members (13, 14) so as to be rotatable about an axis of rotation. One of the frame members (14) includes a drive arrangement (21) which includes a plurality of gears (28) mounted on a subframe and connected to respective louvre blades. The gears are driven by a timing belt under the drive of a manual or electric actuator, to impart synchronised movement to the louvre blades.
    Type: Application
    Filed: November 27, 2001
    Publication date: September 19, 2002
    Applicant: PIPIDOL PTY LIMITED
    Inventors: Paul Peter Metzen, Sigfried Umlauf