Patents by Inventor Hamed AGHAJANI

Hamed AGHAJANI 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).

  • Continuous production of hollow ingots
    Patent number: 11485666
    Abstract: An apparatus for the continuous production of hollow quartz-glass ingots, comprising a) a crucible or refractory tank for providing a softened quartz-glass mass having a dieorifice in the bottom of the crucible or refractory tank; b) a mandrel vertically drawing off the softened quartz-glass mass through a die toprovide a hollow quartz-glass ingot; and c) a cutting section for on-line cutting of the hollow quartz-glass ingot to a specificlength, characterized in that the apparatus comprises active means for cooling the internalsurface of the hollow quartz-glass ingot prior to the cutting station.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: November 1, 2022
    Assignee: HERAEUS CONAMIC UK LIMITED
    Inventors: Alan Mundy, Hamed Aghajani, Ian George Sayce
  • CONTINUOUS PRODUCTION OF HOLLOW INGOTS
    Publication number: 20220119297
    Abstract: An apparatus for the continuous production of hollow quartz-glass ingots, comprising a) a crucible or refractory tank for providing a softened quartz-glass mass having a dieorifice in the bottom of the crucible or refractory tank; b) a mandrel vertically drawing off the softened quartz-glass mass through a die toprovide a hollow quartz-glass ingot; and c) a cutting section for on-line cutting of the hollow quartz-glass ingot to a specificlength, characterized in that the apparatus comprises active means for cooling the internalsurface of the hollow quartz-glass ingot prior to the cutting station.
    Type: Application
    Filed: December 30, 2021
    Publication date: April 21, 2022
    Inventors: Alan MUNDY, Hamed AGHAJANI, Ian George SAYCE
  • Continuous production of hollow ingots
    Patent number: 11225429
    Abstract: The present invention relates to a continuous method for the production of hollow quartz-glass ingots and an apparatus for said method, whereby the hollow quartz-glass ingots are cooled on the internal surface.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: January 18, 2022
    Assignee: HERAEUS CONAMIC UK LIMIIED
    Inventors: Alan Mundy, Hamed Aghajani, Ian George Sayce
  • Continuous productions of hallow ingots
    Publication number: 20200165150
    Abstract: The present invention relates to a continuous method for the production of hollow quartz-glass ingots and an apparatus for said method, whereby the hollow quartz-glass ingots are cooled on the internal surface.
    Type: Application
    Filed: November 22, 2019
    Publication date: May 28, 2020
    Inventors: Alan MUNDY, Hamed AGHAJANI, Ian George SAYCE