Patents by Inventor Richard Rolli

Richard Rolli 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).

  • Quick coupling for hydraulic fluid pipes
    Patent number: 7168449
    Abstract: The invention relates to a quick-connect coupling for hydraulic fluid conduits. The inventive coupling consists of a male element and a female element comprising an outer tubular part and a mobile coupling part. In addition, joints are provided between the tubular parts and define chambers. According to the invention, during the coupling phase, one hydraulically-pressurised chamber can be communicated with an atmospheric pressure chamber, using at least one longitudinal groove or similar element which is disposed in the tubular coupling part or in the outer tubular part.
    Type: Grant
    Filed: May 19, 2004
    Date of Patent: January 30, 2007
    Assignee: Parker Hannifin SA
    Inventors: Sylvain Giagnoli, Richard Rolli
  • Quick -connect coupling for hydraulic fluid conduits
    Publication number: 20060151032
    Abstract: The invention relates to a quick-connect coupling for hydraulic fluid conduits. The inventive coupling consists of a male element and a female element comprising an outer tubular part and a mobile coupling part. In addition, joints are provided between the tubular parts and define chambers. According to the invention, during the coupling phase, one hydraulically-pressurised chamber can be communicated with an atmospheric pressure chamber, using at least one longitudinal groove or similar element which is disposed in the tubular coupling part or in the outer tubular part.
    Type: Application
    Filed: May 19, 2004
    Publication date: July 13, 2006
    Applicant: Parker Hannifin SA
    Inventors: Sylvain Giagnoli, Richard Rolli