Patents by Inventor Roberto Maria Marcello Dionisio

Roberto Maria Marcello Dionisio 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).

  • Patent number: 9958879
    Abstract: A gas pressure regulator (10) is disclosed, comprising a body (12) fitted with a gas inlet stem (14), at a first end of the body (10), for receiving gas from a gas source at a first pressure, and a gas outlet stem or adaptor (16) at a second end of the body (10), for supplying gas at a desired pressure at the gas outlet stem (16). A pressure adjusting mechanism (18) is provided to enable a user to adjust and set the desired pressure, the pressure adjusting mechanism (18) comprising a movable piston arrangement (20). The gas pressure regulator (10) further comprises gas regulating means (22), to regulate gas flowing out of the gas outlet stem (16) to achieve the desired pressure set by the user.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: May 1, 2018
    Assignee: African Oxygen Limited
    Inventors: Roberto Maria Marcello Dionisio, Radoslav Jovanovic
  • Publication number: 20160161955
    Abstract: A gas pressure regulator (10) is disclosed, comprising a body (12) fitted with a gas inlet stem (14), at a first end of the body (10), for receiving gas from a gas source at a first pressure, and a gas outlet stem or adaptor (16) at a second end of the body (10), for supplying gas at a desired pressure at the gas outlet stem (16). A pressure adjusting mechanism (18) is provided to enable a user to adjust and set the desired pressure, the pressure adjusting mechanism (18) comprising a movable piston arrangement (20). The gas pressure regulator (10) further comprises gas regulating means (22), to regulate gas flowing out of the gas outlet stem (16) to achieve the desired pressure set by the user.
    Type: Application
    Filed: July 18, 2014
    Publication date: June 9, 2016
    Applicant: AFRICAN OXYGEN LIMITED
    Inventors: Roberto Maria Marcello Dionisio, Radoslav Jovanovic
  • Patent number: D737427
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: August 25, 2015
    Assignee: African Oxygen Limited
    Inventors: Roberto Maria Marcello Dionisio, Radoslav Jovanovic
  • Patent number: D737428
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: August 25, 2015
    Assignee: African Oxygen Limited
    Inventors: Roberto Maria Marcello Dionisio, Radoslav Jovanovic