Patents by Inventor Fabian Cheah

Fabian Cheah 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).

  • ADDITIVE MANUFACTURING APPARATUS WITH PURGED LIGHT ENGINE
    Publication number: 20220266514
    Abstract: An additive manufacturing apparatus (10) includes (a) a light polymerizable resin unit comprising a surface on which a light polymerizable resin can be supported; (b) a light engine (17) configured to illuminate a region of the light polymerizable resin unit; (c) a carrier platform on which an object can be produced; (d) a drive assembly operatively associated with the carrier platform for advancing said carrier platform (12) and said light polymerizable resin unit away from one another as said object is produced; (e) a purge chamber (300) surrounding at least a portion of said light engine (17); and (f) a purge gas in said purge chamber, or a purge gas supply operatively associated with said purge chamber (300).
    Type: Application
    Filed: July 24, 2020
    Publication date: August 25, 2022
    Inventors: Anant Chimmalgi, Ariel M. Herrmann, Jordan Christopher Fidler, Sean Patrick Wheeler, Alexander Portnoy, Fabian Cheah, Xinyu Gu, Angelo Menotti