Patents Assigned to Ottorino Sparano
  • Patent number: 4492338
    Abstract: The apparatus comprises a periodic wave generating unit driving at least a piezoelectric transducer for generating ultrasounds, which latter includes a base block associated with a passage conduit and wherewith there are associated a plurality of piezoelectric buttons or pads interposed between different polarity electric contacts electrically coupled to the generating unit and clamped against the base block by means of a counter-block.
    Type: Grant
    Filed: February 16, 1982
    Date of Patent: January 8, 1985
    Assignee: Ottorino Sparano
    Inventor: Ernesto Marelli