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Stratasys Inc patents


Recent patent applications related to Stratasys Inc. Stratasys Inc is listed as an Agent/Assignee. Note: Stratasys Inc may have other listings under different names/spellings. We're not affiliated with Stratasys Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Stratasys Inc-related inventors


Resin slot extruder for additive manufacturing system

A slot extruder for use with an additive manufacturing system, which includes a plenum configured to receive a photocurable resin, an elongated slot positioned at a bottom end of the plenum and configured to receive the photocurable resin from the plenum, one or more resin inlet ports extending into the... Stratasys Inc

Seam concealment for three-dimensional models

A three-dimensional model built with an extrusion-based digital manufacturing system, and having a perimeter based on a contour tool path that defines an interior region of a layer of the three-dimensional model, where at least one of a start point and a stop point of the contour tool path is... Stratasys Inc

Additive manufacturing building three-dimensional objects with core-shell arrangements, and three-dimensional objects thereof

A consumable filament for use in an extrusion-based additive manufacturing system, where the consumable filament comprises a core portion of a first thermoplastic material, and a shell portion of a second thermoplastic material that is compositionally different from the first thermoplastic material, where the consumable filament is configured to be... Stratasys Inc

Sheet substrate retention device for securing a sheet substrate to a vacuum platen in an additive manufacturing system

An additive manufacturing system for forming 3D parts includes a platen, a gantry, at least one print head, and a retention device. The gantry is configured to move the platen along a vertical axis. The at least one print head is configured to extrude part and/or support material onto a... Stratasys Inc

Magnetically coupled print head for additive manufacturing system

An additive manufacturing system includes a gantry configured to move in a build plane. A platen is configured to support a part being built in a layer by layer process and wherein the platen is configured to move in a direction substantially normal to the build plane. A head carriage... Stratasys Inc

Filament with exterior barrier and producing same

A material for an additive manufacturing system having a build environment includes a filament coated with a barrier wherein barrier comprises less than about 1 wt % of the filament wherein the barrier substantially prevents the transmission of moisture or gasses into the filament.... Stratasys Inc

Electrophotography-based additive manufacturing with part molding

An additive manufacturing method produces a 3D part utilizes electrophotography-based additive manufacturing and molding processes. A layered structure having a cavity is printed on a build platform using at least one electrophotographic (EP) engine to develop imaged layers of powder material, and a transfusion assembly to stack and fuse the... Stratasys Inc

Remotely-adjustable purge station for use in additive manufacturing systems

A purge station assembly for use in an additive manufacturing system, which includes a purge station having a base bracket, a slide mount slidably engaged with the base bracket, and a contact head configured to clean a nozzle tip of a print head. The purge station assembly also includes a... Stratasys Inc

Core-shell morphology of composite filaments for use in extrusion-based additive manufacturing systems

A consumable filament for use in an extrusion-based additive manufacturing system, where the consumable filament comprises a core portion of a matrix of a first base polymer and particles dispersed within the matrix, and a shell portion comprising a same or a different base polymer. The consumable filament is configured... Stratasys Inc

Additive manufacturing system with laser assembly

A laser assembly for use with an additive manufacturing system, which includes a base block configured to be moved along a scan direction axis in the additive manufacturing system, a plurality of laser emitters preferably arranged in an array of at least two rows of two or more laser emitters.... Stratasys Inc

Print assembly for additive manufacturing system, and methods of use thereof

A print assembly for use in an additive manufacturing system to print three-dimensional parts, which includes a coarse positioner, a fine positioner, and a liquefier assembly, where a portion of the liquefier assembly is operably mounted to the fine positioner such that the fine positioner is configured to move the... Stratasys Inc

Ribbon liquefier and use in extrusion-based digital manufacturing systems

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... Stratasys Inc

Additive manufacturing system with extended printing volume, and methods of use thereof

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... Stratasys Inc

Method for printing three-dimensional parts with part strain orientation

A method and program for printing a three-dimensional part with an additive manufacturing system, the method including generating or otherwise providing strain data from a digital model of the three-dimensional part, orienting the digital model to align the directions of high tensile strain in a build plane, and printing the... Stratasys Inc

Liquefier assemblies for additive manufacturing systems, and methods of use thereof

A liquefier assembly for use in an additive manufacturing system to print three-dimensional parts. In one aspect, the liquefier assembly includes a liquefier that is transversely compressible, and having an inlet end configured to receive a consumable material in a solid or molten state and an outlet end, a nozzle... Stratasys Inc

Gear-based liquefier assembly for additive manufacturing system, and methods of use thereof

A liquefier assembly for use in an additive manufacturing system to print three-dimensional parts, which includes an upstream pressure-generating stage and downstream flow-regulating stage. The upstream pressure-generating stage includes a drive mechanism, a liquefier configured to melt a consumable material receive from the drive mechanism to produce a molten material... Stratasys Inc

Ripple reduction in an additive manufacturing system

An assembly for use in an additive manufacturing system to print a three-dimensional part that includes an extruder comprising a gear and a motor that turns the gear, wherein rotation of the gear regulates a flow of material out of the extruder. A controller, provides a control signal to the... Stratasys Inc

Electrohydrodynamic additive manufacturing high temperature modeling

A method to form a part in an additive manufacturing system includes providing a melt pool configured to retain and dispense an electrically resistive consumable material and an array of channels in fluid communication with the melt pool. The method includes providing an array of channels in fluid communication with... Stratasys Inc

Abs/polycarobonate/poly(styrene-co-maleimide) part material for electrophotography-based additive manufacturing

A part material for printing three-dimensional parts with an electrophotography-based additive manufacturing system, the part material including a composition having a grafted copolymer (including acrylonitrile units, butadiene units, aromatic units modified withpolycarbonate and poly(styrene-co-maleimide)), a charge control agent, and a heat absorber. The part material is provided in a powder... Stratasys Inc

Systems and methods for electrophotography-based additive manufacturing of parts

In a method of producing a 3D part using an electrophotography-based additive manufacturing system, a plurality of layers of a powder-based material are developed using at least one electrophotography (EP) engine. The developed layers are transferred to a transfer medium. The layers on the transfer medium are dried by heating... Stratasys Inc

Electrophotographic additive manufacturing with moving platen and environmental chamber

A method of printing a part in an electrophotographic additive manufacturing system includes printing a part and associated support structure in a layer by layer manner, and providing a chamber in which printing is performed. The chamber is supported by a movable platform and the chamber is positioned about a... Stratasys Inc

Additive manufacturing method using large and small beam sizes

Additive manufacturing method includes providing first and second scanners having first and second overlapping fields of view, applying a layer of powder-based materials to a part bed, providing a laser source for each scanner, each laser source producing a laser beam, and directing its laser beam to its scanner. A... Stratasys Inc

Additive manufacturing method using a plurality of synchronized laser beams

An additive manufacturing method includes providing a first and second scanners with fields of view that at least partially overlap. The method includes applying a layer of powder-based materials to the part bed and providing a number of laser sources that direct a number of laser beams to the first... Stratasys Inc

Electrophotography-based additive manufacturing with support structure and boundary

A method of printing a part in an additive manufacturing system includes printing a support structure for the part, printing a boundary surrounding the support structure, and printing the part on the support structure. An additive manufacturing system for printing a three-dimensional part includes a transfer medium configured to receive... Stratasys Inc

Additive manufacturing method using tilted scanners

Additive manufacturing method includes providing a number of scanners with at least partially overlapping fields of view. The scanners are positioned such that respective optical axes thereof are at an angle relative to a normal part bed. The method includes positioning the fields of view such that a cumulative field... Stratasys Inc

Multi-user access to fabrication resources

An interactive platform supports multi-user participation in a shared virtual workspace to prepare and schedule virtual print trays for printing on a three-dimensional (3D) printer or other fabrication resource. Computerized models may be automatically positioned within the print tray, manually positioned within the print tray, or some combination of these.... Stratasys Inc

User-dependent views of a shared print tray

An interactive platform supports multi-user participation in a shared virtual workspace to prepare and schedule virtual print trays for printing on a three-dimensional (3D) printer or other fabrication resource. Computerized models may be automatically positioned within the print tray, manually positioned within the print tray, or some combination of these.... Stratasys Inc

Gravitational supports in additive manufacturing system

An additive manufacturing system for printing three-dimensional parts, the system including a print head configured to print a part material along a non-vertical printing axis, a non-horizontal print foundation configured to receive the printed part material from the print head to produce the three-dimensional part in a layer-by-layer manner, a... Stratasys Inc

Materials containing fluoropolymers for additive manufacturing applications

Part materials for additive manufacturing applications include materials with a fluoropolymer processing aid (material-FP). These materials include one or more thermoplastic polymers and one or more fluoropolymers as a processing aid. The material-FP is used to build parts with additive manufacturing systems. Parts built using material-FP have improved physical properties... Stratasys Inc

Additive manufacturing systems and filling voids in 3d parts

A method of additive three-dimensional object production includes depositing liquefied material to produce two roads and placing an extruder tip having a bottom surface that surrounds an orifice such that one portion of the bottom surface is sealed against one of the two roads and another part of the bottom... Stratasys Inc

Thermal drying system for additive manufacturing device

An additive manufacturing device includes at least one liquefier assembly that receives filament material from at least one feedstock and extrudes the material in a flowable form. A thermal drying system removes water vapor and heats compressed air to a preselected temperature set point to form conditioned air. At least... Stratasys Inc

Lubricant flow control in a linear motor

A linear motor includes a rotor rotatable relative to a surrounding rotor sleeve and about a central axis. At least one opening extends between an inner surface and an outer surface of the rotor. An externally threaded leadscrew extends through the rotor and along the central axis. An internally threaded... Stratasys Inc

05/18/17 / #20170136691

Ribbon filament and assembly for use in extrusion-based digital manufacturing systems

A consumable material for use in an extrusion-based digital manufacturing system, the consumable material comprising a length and a cross-sectional profile of at least a portion of the length that is axially asymmetric. The cross-sectional profile is configured to provide a response time with a non-cylindrical liquefier of the extrusion-based... Stratasys Inc

05/18/17 / #20170136707

Filament feeding device having a capacitive filament displacement sensor for use in additive manufacturing system

A filament feeding device includes a drive mechanism and a displacement sensor. The drive mechanism is configured to feed a filament along a feed path. The displacement sensor is positioned adjacent the feed path and is configured to determine a velocity and direction in which the filament is fed along... Stratasys Inc

05/11/17 / #20170129169

Continuous liquid interface production system with viscosity pump

A continuous liquid interface production system includes a source of optical stimulation. The system includes a vessel configured to retain a pool or film of optically sensitive monomer and a substantially optically transparent plate retained by the vessel. The optical stimulation is directed through the plate and into the pool... Stratasys Inc

05/04/17 / #20170120522

Print foundation positioning and printing methods for additive manufacturing system

Method for printing a three-dimensional part layerwise with an additive manufacturing system includes printing layers by depositing material from a print head onto a print foundation, incrementing a position of the print head relative to the print foundation after each layer is printed, and indexing the print foundation carrying the... Stratasys Inc

05/04/17 / #20170120531

In-situ part position measurement

A probe for an additive manufacturing system includes a probe body having a first air port therethrough between an inlet and an outlet, and a location sensing probe extending from the probe body. The location sensing probe includes a probe end and a probe bar, the probe bar coupled between... Stratasys Inc

05/04/17 / #20170120532

Method for building and using three-dimensional objects containing embedded identification-tag inserts

A method for building a three-dimensional object containing an identification-tag insert, the method comprising performing a build operation to form layers of the three-dimensional object using a layer-based additive technique, placing the identification-tag insert on at least a portion of the layers during the build operation, and reading information from... Stratasys Inc

05/04/17 / #20170120534

Starter piece and printing methods for additive manufacturing system

A starter piece for printing a three-dimensional item includes a main body having a face surface, a keel coupled to the main body, a guide tab extending from the keel, and at least one retaining mechanism coupled to the main body. Printing a three-dimensional item with an additive manufacturing system... Stratasys Inc

05/04/17 / #20170122322

Conical viscosity pump with axially positionable impeller and printing a 3d part

A pump assembly for use in an additive manufacturing system includes a viscosity pump having a first end and a second end wherein the first end has a cross sectional area greater than a cross sectional area of the second end. The viscosity pump has a conical shaped inner surface... Stratasys Inc

04/27/17 / #20170115594

Soluble support material for electrophotography-based additive manufacturing

A support material for printing a support structure with an electrophotography-based additive manufacturing system, the support material including a composition having a charge control agent and a thermoplastic copolymer having aromatic groups, (meth)acrylate-based ester groups, carboxylic acid groups, and anhydride groups, with a high anhydride conversion. The composition is provided... Stratasys Inc

04/13/17 / #20170100888

Additive manufacturing printing three-dimensional parts using velocimetry

An additive manufacturing system that retains a print head for printing a three-dimensional part in a layer-by-layer manner using an additive manufacturing technique, where the retained print head is configured to receive a consumable material, melt the consumable material, and extrude the molten material. The system also includes a velocimetry... Stratasys Inc

03/30/17 / #20170087774

High-temperature soluble support material for additive manufacturing

A support material for use in an additive manufacturing system, which includes a thermoplastic copolymer polymerized from monomers comprising acid-functional monomers having carboxylic acid groups, and one or more non-acid-functional monomers, where a portion of the carboxylic acid groups are neutralized with a base having an alkali metal cation. The... Stratasys Inc

03/16/17 / #20170075245

Engineering-grade consumable materials for electrophotography-based additive manufacturing system

A part material for printing three-dimensional parts with an electrophotography-based additive manufacturing system, the part material including a composition having an engineering-grade thermoplastic material and a charge control agent. The part material is provided in a powder form having a controlled particle size, and is configured for use in the... Stratasys Inc








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