Patents by Inventor Massin Pietro

Massin Pietro 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).

  • Publication number: 20120018246
    Abstract: A muffler unit (4) for fume extractor hood is disclosed, which comprises an active noise suppression system, comprising at least one loudspeaker (6), and at least two microphones (M1, M2) connected to a control unit (7), and a passive noise suppression system comprising sound-absorbent material (8) disposed between said microphones (M1, M2). The muffler module (4) comprises a conduit (40) with upper fixing means (41) and lower fixing means (42) designed to be removably fixed respectively to a motor unit (2) and to a conveyor plate (3) of a hood (1).
    Type: Application
    Filed: February 17, 2010
    Publication date: January 26, 2012
    Inventors: Massin Pietro, Caimmi Massimilliano, Violi Francesco, Vizzaccaro Marco