Patents by Inventor Carlo Castellini

Carlo Castellini 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).

  • Device for the control of the weft yarn in the looms operated by compressed air
    Patent number: 4805671
    Abstract: The device includes optical means for the reflection of a pencil of energy of the luminous type, that reaches a sensor, which reflection optical means are formed by surfaces optically polished having the thickness of a hollow of a metallic foil inserted between two blades of the reed; on the optical path or course there are provided first optical cylindrical condensation means of the energy towards the first of said surfaces, which precedes the crossing of the channel where the weft is located, and second optical condensation means, after said crossing and towards the sensor.
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: February 21, 1989
    Assignee: Instituto Nazionale Di Ottica
    Inventors: Carlo Castellini, Giuseppe Longobardi