Other

Essentium, Inc.

Nexa3d Inc.

Essentium Ipco, LLC

Jason Greene

William Jack MacNeish, Iii

Erik John Gjovik

Alex Stockton

Chad Cory Eichele

Kenneth L Greene

Yasushi Mizuno

Xingping Li

Kenneth H Winckler

Iris Gisey Euan Waldestrand

William Jack Macneish Iii

William Jack Iii Macneish

A printer head for a three-dimensional printer includes a dielectric barrier discharge (DBD) disk configured to generate a plasma, where the DBD disk requires a high voltage alternating current (AC) voltage signal to generate the plasma. The printer head also includes a transformer assembly including a transformer and a housing that contains the transformer. The transformer is configured to transform an incoming AC voltage signal into the high voltage AC signal for the DBD disk. The printer head also includes an electrical wire that electrically connects the transformer to the DBD disk. The printer head also includes a wire guide defining a passageway, where a portion of the electrical wire is received by the passageway in the wire guide. The passageway of the wire guide is shaped to direct the electrical wire towards the DBD disk.

Three-dimensional printer head including a dielectric barrier discharge (DBD) disk and a transformer assembly

A machine for producing additive printed parts having a print head attached to a gantry, including a frame having a plurality of side walls that define an interior space, a build table positioned within the interior space and including a print bed for supporting the additive printed part, a plurality of bellows attached at a first end to the gantry and at a second end to at least one of the plurality of side walls, a build volume defined by the plurality of side walls, the plurality of bellows and the build table, and an infrared heater disposed on the build table for heating an additive printed part positioned on the build table.

Machine for producing an additive printed part

A machine for manufacturing additive printed parts includes a first filament cartridge adapted to support a length of filament of a material from which the additive printed parts will be manufactured, a print head moveably supported within the machine, and a first filament buffer positioned between the first filament cartridge and the print head and including a first buffer volume. The filament supported within the first filament cartridge extends from the first filament cartridge, through the first filament buffer, and to the print head and is allowed to deflect within the first buffer volume.

Filament buffer

A three-dimensional printer and a method of leveling a support surface in a three-dimensional printer. The three-dimensional printer includes a base plate, a support bed, including a support surface, wherein the support bed is mounted to the base plate, a plurality of adjustable mounting assemblies adjustably mounting the base plate to the support bed, wherein each adjustable mount assembly separates the base plate from the support bed by a first distance. The three-dimensional printer may further include a vacuum port fluid communication with a vacuum opening, a vacuum pump in fluid communication with the vacuum port, a vacuum regulator coupled to the tubing between the vacuum pump and vacuum port, and a vacuum pressure switch coupled to the tubing between the vacuum regulator and the vacuum port.

Detecting lack of adhesion of a build plate to a support bed

A nozzle is configured for receiving and dispensing a 3D printer filament. The nozzle includes a barrel, a heating element, and an end tip. The barrel has an internal bore and an exterior surface. The internal bore has a filament receiving end and a filament discharge end. A heat break is defined in the exterior surface of the barrel. The heating element is proximate the filament discharge end. The heating element includes a heating wire wrapped around the exterior surface of the barrel. The end tip is proximate the filament discharge end. The 3D filament is received in the filament receiving end heated by the heating element and dispensed through end tip proximate the filament discharge end.

High speed extrusion 3D printer nozzle

A three-dimensional printer includes an enclosure defining a chamber and a print surface disposed within the chamber. The printer further includes a nozzle displaceable relative to the print surface for melting and dispensing a filament on the print surface to form a dielectric part during a printing process. The printer further includes a filament drive system for supplying the filament to the nozzle, and one or more capacitance sensors coupled to the print surface. The printer further includes a controller electrically coupled to the capacitance sensors for measuring a capacitance, with the controller generating an error signal in response to the controller determining a change of capacitance when the dielectric part is displaced relative to the print surface during the printing process. The printer further includes a display device electrically coupled to the controller and displaying an error message in response to the display device receiving the error signal.

System and method of detecting failed bed adhesion for a three-dimensional printer

Infrared heating of additive printed part

A light strip has a flexible enclosure extruded around a pair of conductors. The enclosure contains a lighting assembly with one or more flexible substrates populated with a plurality of light circuits. The substrates are spaced from the pair of conductors. The lighting assembly has a plurality of connecting devices for electrically coupling the lighting assembly to the pair of conductors.

Light strip and method for making a light strip

A light strip has a flexible enclosure extruded around a pair of conductors. The enclosure contains a lighting assembly with one or more flexible substrates that are each populated with a plurality of light circuits. The substrates are spaced from the pair of conductors. The lighting assembly has a plurality of connecting devices for electrically coupling the lighting assembly to the pair of conductors.

A first down indicator system adapted for removable attachment to a first down marker post of markers of the type used in football games for marking a distance of ten yards to determine first down measurement.

First down indicator system

A street sign sealed against weather elements during outdoor use consisting of an assemblage of panels, one of which is of unnotched and inwardly notched word-forming letter two portions of width of its acrylic plastic construction material, and peripheral LEDs optically arranged to illuminate by impingement said letters of said notched width portion rendered visible through said unnotched width portion which serves as a weather seal for said illuminated display.

Growing community of inventors

Huntington Beach, CA, United States of America

Jason Greene