Patents Examined by Yogendra N Guota
  • Three dimensional printer with composite filament fabrication
    Patent number: 10099427
    Abstract: Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an conduit nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to drag the filament from the conduit nozzle.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: October 16, 2018
    Assignee: MARKFORGED, INC.
    Inventors: Gregory Thomas Mark, Antoni S. Gozdz