Patents by Inventor Marcello Perini

Marcello Perini 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).

  • Pressure transducer with capillary tube for high pressure measures
    Patent number: 6955087
    Abstract: A pressure transducer with a capillary tube filled with a fluid for high pressure measurements. The pressure transducer has a sensitive element formed with a bore defining a cylindrical sensitive chamber, and respective capillary tubes attached to either ends of the sensitive element in fluid communication with the sensitive chamber. Advantageously, each capillary tube has a respective end outside threaded to engage in a mating thread-way provided in the sensitive element; moreover, a perimeter weld is provided for safety around each capillary tube near the connection to the sensitive element.
    Type: Grant
    Filed: October 15, 2003
    Date of Patent: October 18, 2005
    Assignee: Gefran Sensori, S.r.l.
    Inventors: Marcello Perini, Andrew Wilson, Federico Lanzani, Maria Teresa Milesi
  • Pressure transducer with capillary tube for high pressure measures
    Publication number: 20050072241
    Abstract: The invention relates to a pressure transducer with a capillary tube filled with a fluid for high pressure measurements. This pressure transducer comprises a sensitive element formed with a bore defining a cylindrical sensitive chamber, and respective capillary tubes attached to either ends of the sensitive element in fluid communication with the sensitive chamber. Advantageously, each capillary tube has a respective end outside threaded to engage in a mating thread-way provided in the sensitive element; moreover, a perimeter weld is provided for safety around each capillary tube near the connection to the sensitive element.
    Type: Application
    Filed: October 15, 2003
    Publication date: April 7, 2005
    Applicant: GEFRAN SENSORI S.r.I.
    Inventors: Marcello Perini, Andrew Wilson, Federico Lanzani, Maria Milesi