Patents by Inventor Qun-Fang LI

Qun-Fang LI 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: 9815578
    Abstract: A method of installing a vaporizer in a remote manufacturing yard is provided. The method can include the steps of obtaining a lower stage and an upper stage of a vaporizer; obtaining a first column section and a second column section; installing the lower stage to a bottom head such that the lower stage is in fluid communication with an inner volume of the bottom head; installing the first column section over and around the lower stage and fitting and welding a bottom of the first column section to the bottom head; installing the upper stage; and installing the second column section and fitting and welding a bottom of the second course to the first course.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: November 14, 2017
    Assignee: L'Air Liquide Société Anonyme Pour L'Étude Et L'Exploitation Des Procedes Georges
    Inventors: Yves Hardy, Claude Granger, Philippe Grigoletto, Qun-Fang Li
  • Patent number: 9302798
    Abstract: A method for fabricating a distillation column in a remote location away from a permanent manufacturing facility is provided. In one embodiment, the method can include the steps of: forming a plurality of column sections each having a diameter D, each column section comprising a plurality of courses that have been horizontally welded together, wherein each course is comprised of two or more partial shells that have been vertically welded together, wherein each of the two or more partial shells was created by vertically rolling a rectangular plate having a length of at least ( 1 N ? ? · D ) , wherein N is the number of partial shells used to form the course; installing a distributor and packing in each column section to form a plurality of packed column sections; and stacking the plurality of packed column sections to form a column.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: April 5, 2016
    Assignee: L'Air Liquide Société Anonyme Pour L'Étude Et L'Exploitation Des Procedes Georges Claude
    Inventors: Claude Granger, Yves Hardy, Emmanuelle Bromet, Jean Roy, Philippe Grigoletto, Qun-Fang Li, Herve Ferriere, Sylvain Made
  • Publication number: 20140345106
    Abstract: A method of installing a vaporizer in a remote manufacturing yard is provided. The method can include the steps of obtaining a lower stage and an upper stage of a vaporizer; obtaining a first column section and a second column section; installing the lower stage to a bottom head such that the lower stage is in fluid communication with an inner volume of the bottom head; installing the first column section over and around the lower stage and fitting and welding a bottom of the first column section to the bottom head; installing the upper stage; and installing the second column section and fitting and welding a bottom of the second course to the first course.
    Type: Application
    Filed: May 22, 2014
    Publication date: November 27, 2014
    Applicant: L'Air Liquide, Societe Anonyme Pour I'Etude et I'Exploitation des Procedes Georges Claude
    Inventors: Yves HARDY, Claude GRANGER, Philippe GRIGOLETTO, Qun-Fang LI
  • Publication number: 20140345140
    Abstract: A method for fabricating a distillation column in a remote location away from a permanent manufacturing facility is provided. In one embodiment, the method can include the steps of: forming a plurality of column sections each having a diameter D, each column section comprising a plurality of courses that have been horizontally welded together, wherein each course is comprised of two or more partial shells that have been vertically welded together, wherein each of the two or more partial shells was created by vertically rolling a rectangular plate having a length of at least ( 1 N ? ? · D ) , wherein N is the number of partial shells used to form the course; installing a distributor and packing in each column section to form a plurality of packed column sections; and stacking the plurality of packed column sections to form a column.
    Type: Application
    Filed: May 22, 2014
    Publication date: November 27, 2014
    Applicant: L'Air Liquide, Societe Anonyme Pour l'Etude et l'Explitation des Procedes Georges Claude
    Inventors: Claude GRANGER, Yves HARDY, Emmanuelle BROMET, Jean ROY, Philippe GRIGOLETTO, Qun-Fang LI, Herve FERRIERE, Sylvain MADE