Patents by Inventor Paolo Bobbola

Paolo Bobbola 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).

  • Piezoelectric transducer for yarn feelers, for use on spinning and weaving machines
    Patent number: 4605875
    Abstract: A piezoelectric transducer for yarn feelers for fitting to spinning and weaving machines and devices, constituted by a single ceramic member incorporating the yarn guide and cemented directly to a ceramic piezoelectric element, the size and shape of said member being chosen such that its resonance frequencies are very different from those of the textile machines and devices to which the yarn feeler is to be fitted.
    Type: Grant
    Filed: October 9, 1984
    Date of Patent: August 12, 1986
    Assignee: Roj Electrotex S.p.A.
    Inventor: Paolo Bobbola
  • Optical weft sensor for air jet weaving looms
    Patent number: 4592394
    Abstract: An optical sensor of the barrier type for air jet weaving looms comprises two equally orientated, parallel photoelements and two very thin total-transmission optical prisms aligned with the photoelements and insertable between and the reed blades in order to deviate the light rays between the photoelements so that they cross the weft yarn passage channel in the reed.
    Type: Grant
    Filed: October 10, 1984
    Date of Patent: June 3, 1986
    Assignee: Roj Electrotex S.p.A.
    Inventor: Paolo Bobbola