Patents by Inventor Joel Letouzey

Joel Letouzey 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: 11067273
    Abstract: Process and device for pneumatically conveying a powdery material comprising the steps of Pneumatically conveying a powdery material in a pneumatic conveying pipeline (first) and into said recipient by a flow generated by a blower, A powdery material dosing step, A fluctuation step of pressure drop in said pneumatic conveying pipeline or up to said recipient, wherein a sonic device generates sonic waves inside said pneumatic conveying pipeline or up to said recipient and provides a counteraction on the fluctuation step of the pressure drop in said pneumatic conveying pipeline or up to said recipient.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: July 20, 2021
    Assignee: S.A. LHOIST RECHERCHE ET DEVELOPPEMENT
    Inventors: Hugues Baquet, Johan Heiszwolf, Joel Letouzey, David Lyons, Chad Timothy Metz, Howard Braxton Fitzgerald, Gregory M. Filippelli
  • Publication number: 20200200385
    Abstract: Process and device for pneumatically conveying a powdery material comprising the steps of Pneumatically conveying a powdery material in a pneumatic conveying pipeline (first) and into said recipient by a flow generated by a blower, A powdery material dosing step, A fluctuation step of pressure drop in said pneumatic conveying pipeline or up to said recipient, wherein a sonic device generates sonic waves inside said pneumatic conveying pipeline or up to said recipient and provides a counteraction on the fluctuation step of the pressure drop in said pneumatic conveying pipeline or up to said recipient.
    Type: Application
    Filed: February 12, 2020
    Publication date: June 25, 2020
    Inventors: Hugues Baquet, Johan Heiszwolf, Joel Letouzey, David Lyons, Chad Timothy Metz, Howard Braxton Fitzgerald, Gregory M. Filippelli
  • Patent number: 10627108
    Abstract: Process and device for pneumatically conveying a powdery material comprising the steps of Pneumatically conveying a powdery material in a pneumatic conveying pipeline (first) and into said recipient by a flow generated by a blower, A powdery material dosing step, A fluctuation step of pressure drop in said pneumatic conveying pipeline or up to said recipient, wherein a sonic device generates sonic waves inside said pneumatic conveying pipeline or up to said recipient and provides a counteraction on the fluctuation step of the pressure drop in said pneumatic conveying pipeline or up to said recipient.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: April 21, 2020
    Assignee: S.A. Lhoist Recherche et Developpement
    Inventors: Hugues Baquet, Johan Heiszwolf, Joel Letouzey, David Lyons, Chad Timothy Metz, Howard Braxton Fitzgerald, Gregory M. Filippelli
  • Publication number: 20180149358
    Abstract: Process and device for pneumatically conveying a powdery material comprising the steps of Pneumatically conveying a powdery material in a pneumatic conveying pipeline (first) and into said recipient by a flow generated by a blower, A powdery material dosing step, A fluctuation step of pressure drop in said pneumatic conveying pipeline or up to said recipient, wherein a sonic device generates sonic waves inside said pneumatic conveying pipeline or up to said recipient and provides a counteraction on the fluctuation step of the pressure drop in said pneumatic conveying pipeline or up to said recipient.
    Type: Application
    Filed: November 28, 2016
    Publication date: May 31, 2018
    Inventors: Hugues Baquet, Johan Heiszwolf, Joel Letouzey, David Lyons