Patents Assigned to Stratasys, Inc.
  • Additive Manufacturing with Polyamide Consumable Materials
    Publication number: 20140141168
    Abstract: A consumable material for use in an additive manufacturing system, the consumable filament comprising a polyamide blend of at least one semi-crystalline polyamide, and at least one amorphous polyamide that is substantially miscible with the at least one semi-crystalline polyamide, and a physical geometry configured to be received by the additive manufacturing system for printing a three-dimensional part from the consumable material in a layer-by-layer manner using an additive manufacturing technique. The consumable material is preferably capable of printing three-dimensional parts having good part strengths and ductilities, and low curl.
    Type: Application
    Filed: November 12, 2013
    Publication date: May 22, 2014
    Applicant: Stratasys, Inc.
    Inventor: Luke M.B. Rodgers
  • ENCODED CONSUMABLE MATERIALS AND SENSOR ASSEMBLIES FOR USE IN ADDITIVE MANUFACTURING SYSTEMS
    Publication number: 20140127524
    Abstract: A consumable material and sensor assembly for use in an additive manufacturing system, the consumable material comprising an exterior surface having encoded markings that are configured to be read by the sensor assembly, where the consumable material is configured to be consumed in the additive manufacturing system to build at least a portion of a three-dimensional model.
    Type: Application
    Filed: January 10, 2014
    Publication date: May 8, 2014
    Applicant: Stratasys, Inc.
    Inventors: J. Samuel Batchelder, Michael D. Bosveld
  • Layer transfusion with part heating for additive manufacturing
    Patent number: 8718522
    Abstract: An additive manufacturing system comprising a transfer medium configured to receive the layers from a imaging engine, a heater configured to heat the layers on the transfer medium, and a layer transfusion assembly that includes a build platform, and is configured to transfuse the heated layers onto the build platform in a layer-by-layer manner to print a three-dimensional part.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: May 6, 2014
    Assignee: Stratasys, Inc.
    Inventors: Steven A. Chillscyzn, James W. Comb, William J. Hanson, J. Randolph Sanders, Michael W. Bacus
  • PRINT HEAD ASSEMBLY AND PRINT HEAD FOR USE IN FUSED DEPOSITION MODELING SYSTEM
    Publication number: 20140120194
    Abstract: A print head assembly that includes a print head carriage and multiple, replaceable print heads that are configured to be removably retained in receptacles of the print head carriage. The print heads each include a cartridge assembly and a liquefier pump assembly retained by the cartridge assembly.
    Type: Application
    Filed: January 3, 2014
    Publication date: May 1, 2014
    Applicant: Stratasys, Inc.
    Inventors: William J. Swanson, J. Samuel Batchedler, Kevin C. Johnson, Timothy A. Hjelsand, James W. Comb
  • LIQUEFIER ASSEMBLY FOR USE IN EXTRUSION-BASED ADDITIVE MANUFACTURING SYSTEMS
    Publication number: 20140120197
    Abstract: A liquefier assembly for use in an extrusion-based additive manufacturing system, the liquefier assembly comprising a downstream portion having a first average inner cross-sectional area, and an upstream having a second average inner cross-sectional area that is less than the first inner cross-sectional area, the upstream portion defining a shoulder configured to restrict movement of a melt meniscus of a consumable material.
    Type: Application
    Filed: January 3, 2014
    Publication date: May 1, 2014
    Applicant: Stratasys, Inc.
    Inventors: William J. Swanson, Kevin C. Johnson, Timothy A. Hjelsand
  • Method of using print head assembly in fused deposition modeling system
    Patent number: 8663533
    Abstract: A method of using a print head assembly that includes a print head carriage and multiple, replaceable print heads that are configured to be removably retained in receptacles of the print head carriage.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: March 4, 2014
    Assignee: Stratasys, Inc.
    Inventors: William J. Swanson, J. Samuel Batchelder, Kevin C. Johnson
  • Encoded consumable materials and sensor assemblies for use in additive manufacturing systems
    Patent number: 8658250
    Abstract: A consumable material and sensor assembly for use in an additive manufacturing system, the consumable material comprising an exterior surface having encoded markings that are configured to be read by the sensor assembly, where the consumable material is configured to be consumed in the additive manufacturing system to build at least a portion of a three-dimensional model.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: February 25, 2014
    Assignee: Stratasys, Inc.
    Inventors: J. Samuel Batchelder, Michael D. Bosveld
  • PRINT HEAD NOZZLE FOR USE WITH ADDITIVE MANUFACTURING SYSTEM
    Publication number: 20140048969
    Abstract: A nozzle for printing three-dimensional parts with an additive manufacturing system, the nozzle comprising a nozzle body having an inlet end and a tip end offset longitudinally from the inlet end, a tip pipe for extruding a flowable material, an inner ring extending circumferentially around the tip pipe at the outlet end, an outer ring extending circumferentially around the inner ring, at least one annular recessed groove located circumferentially between the inner ring and the outer ring.
    Type: Application
    Filed: August 16, 2012
    Publication date: February 20, 2014
    Applicant: STRATASYS, INC.
    Inventors: William J. Swanson, Dominic F. Mannella, Kevin C. Johnson, Ronald G. Schloesser
  • METHOD FOR PRINTING THREE-DIMENSIONAL PARTS WITH ADDITIVE MANUFACTURING SYSTEMS USING SCAFFOLDS
    Publication number: 20140052287
    Abstract: A method for printing a three-dimensional part with an additive manufacturing system, comprising printing the three-dimensional part in a layer-by-layer manner along a printing axis in the additive manufacturing system, printing a scaffold in a layer by layer manner along the printing axis along with the printing of the three-dimensional part, and bracing the three-dimensional part laterally relative to the printing axis with the scaffold while printing the three-dimensional part.
    Type: Application
    Filed: August 16, 2012
    Publication date: February 20, 2014
    Applicant: STRATASYS, INC.
    Inventors: William J. Swanson, Dominic F. Mannella
  • DRAW CONTROL FOR EXTRUSION-BASED ADDITIVE MANUFACTURING SYSTEMS
    Publication number: 20140048970
    Abstract: A method for improving part quality for a printed three-dimensional part, the method comprising moving a print head nozzle along a substantially linear segment of a tool path at a tip height above a previous layer of the three-dimensional part while extruding a flowable material, and producing an extruded road from the extruded flowable material having a road height above the previous layer, where the tip height is greater than the road height due at least in part to draw on the extruded road.
    Type: Application
    Filed: August 16, 2012
    Publication date: February 20, 2014
    Applicant: STRATASYS, INC.
    Inventors: J. Samuel Batchelder, Ronald G. Schloesser
  • ADDITIVE MANUFACTURING SYSTEM WITH EXTENDED PRINTING VOLUME, AND METHODS OF USE THEREOF
    Publication number: 20140048981
    Abstract: An additive manufacturing system for printing three-dimensional parts, the system comprising a heatable region, a receiving surface, a print head configured to print a three-dimensional part onto the receiving surface in a layer-by-layer manner along a printing axis, and a drive mechanism configured to index the receiving surface along the printing axis such that the receiving surface and at least a portion of the three-dimensional part out of the heated region.
    Type: Application
    Filed: August 15, 2013
    Publication date: February 20, 2014
    Applicant: Stratasys, Inc.
    Inventors: S. Scott Crump, Dominic F. Mannella, William J. Swanson, Kevin C. Johnson, Ronald G. Schloesser, Joseph E. LaBossiere, Richard Thomas Anderson, Michael D. Bosveld, Paul J. Leavitt
  • ADDITIVE MANUFACTURING TECHNIQUE FOR PRINTING THREE-DIMENSIONAL PARTS WITH PRINTED RECEIVING SURFACES
    Publication number: 20140048971
    Abstract: A method for printing three-dimensional parts with an additive manufacturing system, comprising printing successive layers having increasing cross-sectional areas, and printing layers of a three-dimensional part onto the previously printed layers, where a last layer of the previously printed successive layers has a cross-sectional area that is at least as large as a footprint area of the three-dimensional part.
    Type: Application
    Filed: August 16, 2012
    Publication date: February 20, 2014
    Applicant: Stratasys, Inc.
    Inventors: Dominic F. Mannella, William J. Swanson
  • ADDITIVE MANUFACTURING SYSTEM WITH EXTENDED PRINTING VOLUME, AND METHODS OF USE THEREOF
    Publication number: 20140048980
    Abstract: An additive manufacturing system for printing three-dimensional parts, the system comprising a heatable chamber with a port, a print foundation, a print head configured to print a three-dimensional part onto the print foundation in a layer-by-layer manner along a printing axis, and a drive mechanism configured to index the print foundation along the printing axis such that, while the print head prints the three-dimensional part, the print foundation and at least a portion of the three-dimensional part pass through the port and out of the heated chamber.
    Type: Application
    Filed: August 16, 2012
    Publication date: February 20, 2014
    Applicant: STRATASYS, INC.
    Inventors: S. Scott Crump, Dominic F. Mannella, William J. Swanson, Kevin C. Johnson, Ronald G. Schloesser
  • Print head assembly and print head for use in fused deposition modeling system
    Patent number: 8647102
    Abstract: A print head assembly that includes a print head carriage and multiple, replaceable print heads that are configured to be removably retained in receptacles of the print head carriage. The print heads each include a cartridge assembly and a liquefier pump assembly retained by the cartridge assembly.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: February 11, 2014
    Assignee: Stratasys, Inc.
    Inventors: William J. Swanson, J. Samuel Batchelder, Kevin C. Johnson, Timothy A. Hjelsand, James W. Comb
  • Liquefier assembly for use in extrusion-based additive manufacturing systems
    Patent number: 8647098
    Abstract: A liquefier assembly for use in an extrusion-based additive manufacturing system, the liquefier assembly comprising a downstream portion having a first average inner cross-sectional area, and an upstream having a second average inner cross-sectional area that is less than the first inner cross-sectional area, the upstream portion defining a shoulder configured to restrict movement of a melt meniscus of a consumable material.
    Type: Grant
    Filed: September 22, 2010
    Date of Patent: February 11, 2014
    Assignee: Stratasys, Inc.
    Inventors: William J. Swanson, Kevin C. Johnson, Timothy A. Hjelsand, J. Samuel Batchelder
  • HOPPER VALVE FOR EXTRUSION-BASED ADDITIVE MANUFACTURING SYSTEMS, AND METHODS OF USE THEREOF
    Publication number: 20130333798
    Abstract: A hopper valve for transferring particles from a supply container to a hopper, the hopper valve comprising a valve body coupled to the supply container, a fill tube moveably coupled to the valve body, and a foot member moveably coupled to the fill tube and configured to engage the hopper.
    Type: Application
    Filed: June 18, 2012
    Publication date: December 19, 2013
    Applicant: STRATASYS, INC.
    Inventors: Michael D. Bosveld, John A. Bushey
  • Optical encoder
    Patent number: 8598509
    Abstract: An optical encoder comprising a set of light sources configured to emit light rays in a serial manner, an encoded scale configured to reflect at least a portion of the emitted light rays, and a photodetector, where the photodetector is configured to detect at least a portion of the reflected light rays and to generate signals based on the detected light rays for each of the light sources.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: December 3, 2013
    Assignee: Stratasys, Inc.
    Inventor: J. Samuel Batchelder
  • LIQUEFIER ASSEMBLY HAVING INLET LINER FOR USE IN ADDITIVE MANUFACTURING SYSTEM
    Publication number: 20130241102
    Abstract: A liquefier assembly for use in an additive manufacturing system, the liquefier assembly comprising a liquefier tube, a rigid sleeve secured to an inlet end of the liquefier tube, an extrusion tip secured to an outlet end of the liquefier tube, and a hollow liner disposed at least partially within the rigid sleeve such that inner surfaces of the liquefier tube and the hollow liner are substantially flush, and where the inner surface of the hollow liner has a low surface energy.
    Type: Application
    Filed: March 16, 2012
    Publication date: September 19, 2013
    Applicant: STRATASYS, INC.
    Inventors: Luke M. B. Rodgers, David M. Kozlak, William J. Swanson
  • AUTOMATED CALIBRATION METHOD FOR ADDITIVE MANUFACTURING SYSTEM, AND METHOD OF USE THEREOF
    Publication number: 20130242317
    Abstract: A method for calibrating a print head for use in an additive manufacturing system, the method comprising positioning the print head over a calibration target, where the calibration target has a top surface with a plurality of edges. The method further comprising moving a tip of the print head to identify coordinate locations of the edges, and setting a calibration parameter for the print head.
    Type: Application
    Filed: March 16, 2012
    Publication date: September 19, 2013
    Applicant: STRATASYS, INC.
    Inventors: Paul J. Leavitt, Paul H. Fuchs, J. Samuel Batchelder
  • RIBBON LIQUEFIER AND METHOD OF USE IN EXTRUSION-BASED DIGITAL MANUFACTURING SYSTEMS
    Publication number: 20130234366
    Abstract: A ribbon liquefier comprising an outer liquefier portion configured to receive thermal energy from a heat transfer component, and a channel at least partially defined by the outer liquefier portion, where the channel has dimensions that are configured to receive the ribbon filament, and where the ribbon liquefier is configured to melt the ribbon filament received in the channel to at least an extrudable state with the received thermal energy to provide a melt flow. The dimensions of the channel are further configured to conform the melt flow from an axially-asymmetric flow to a substantially axially-symmetric flow in an extrusion tip connected to the ribbon liquefier.
    Type: Application
    Filed: April 22, 2013
    Publication date: September 12, 2013
    Applicant: Stratasys, Inc
    Inventors: J. Samuel Batchelder, William J. Swanson, S. Scott Crump