763 patents
Page 9 of 39
Utility
Spherical Particles Comprising Nanoclay-filled-polymer and Methods of Production and Uses Thereof
16 Feb 23
Methods for producing highly spherical particles that comprise: mixing a mixture comprising: (a) nanoclay-filled-polymer composite comprising a nanoclay dispersed in a thermoplastic polymer, (b) a carrier fluid that is immiscible with the thermoplastic polymer of the nanoclay-filled-polymer composite, optionally (c) a thermoplastic polymer not filled with a nanoclay, and optionally (d) an emulsion stabilizer at a temperature at or greater than a melting point or softening temperature of the thermoplastic polymer of the nanoclay-filled-polymer and the thermoplastic polymer, when included, to disperse the nanoclay-filled-polymer composite in the carrier fluid; cooling the mixture to below the melting point or softening temperature to form nanoclay-filled-polymer particles; and separating the nanoclay-filled-polymer particles from the carrier fluid.
Robert Claridge, Valerie M. Farrugia
Filed: 29 Jul 21
Utility
Clamping Mechanism for 3D Printing Build Plate
16 Feb 23
A build plate supported on a movable carriage of a 3D printing machine includes a plurality of clamping surfaces that are engageable by a mechanical clamping system that includes a plurality of clamp assemblies mounted on the movable carriage.
Prasanth Kalaiselvan, Karthik Mani, Jagan Thiyagarajan, Naveenkumarreddy Challa
Filed: 12 Aug 21
Utility
Dross Mitigation Method And Device in A MHD Printer
16 Feb 23
The present disclosure discloses methods and systems for removing dross from a liquid metal chamber, such as would be used in magnetohydrodynamic (MHD) or metal 3D printing.
Chu-Heng Liu, Jason M. Lefevre, Joseph C. Sheflin, Seemit Praharaj, Douglas K. Herrmann, David A. Vankouwenberg, Linn C. Hoover
Filed: 12 Aug 21
Utility
Toner
16 Feb 23
Toners are provided which may comprise toner particles, a colorant, and optionally, a wax, wherein the toner particles comprise a resin comprising a polymerization product of reactants comprising a dioxane/dioxolane monomer and a vinyl co-monomer, wherein the dioxane/dioxolane monomer is an ester of (meth)acrylic acid with an alcohol comprising a dioxane moiety, an ester of (meth)acrylic acid with an alcohol comprising a dioxolane moiety, or both.
Karen A. Moffat, Kimberly D. Nosella, Sepehr M. Tehrani
Filed: 27 Jul 21
Utility
Organic Additives and Compositions Containing the Same
16 Feb 23
Compositions are provided which may comprise a plurality of organic additive particles, the particles comprising a polymerization product of reactants comprising a dioxane/dioxolane monomer and a vinyl co-monomer, wherein the dioxane/dioxolane monomer is an ester of (meth)acrylic acid with an alcohol comprising a dioxane moiety, an ester of (meth)acrylic acid with an alcohol comprising a dioxolane moiety, or both.
Karen A. Moffat, Sepehr M. Tehrani, Kimberly D. Nosella, Raysa Rodriguez Diaz, Richard P. N. Veregin, Cuong Vong
Filed: 27 Jul 21
Utility
Latexes with PH Responsive Resin Particles
16 Feb 23
Latexes are provided which may comprise water and resin particles comprising a polymerization product of reactants comprising a dioxane/dioxolane monomer and an additional monomer, wherein the dioxane/dioxolane monomer is an ester of (meth)acrylic acid with an alcohol comprising a dioxane moiety, an ester of (meth)acrylic acid with an alcohol comprising a dioxolane moiety, or both.
Sepehr M. Tehrani
Filed: 27 Jul 21
Utility
Biodegradable Polymer Particulates and Methods for Production and Use Thereof
9 Feb 23
Compositions include a plurality of polymer particulates comprising a matrix polymer and one or more types of nanoparticles selected from the group consisting of biopolymer nanoparticles, biomineral nanoparticles excluding biomineralized silica alone, and any combination thereof.
Alexandros Vasileiou, Valerie M. Farrugia
Filed: 21 Jul 21
Utility
Metal Drop Ejecting Three-dimensional (3D) Object Printer and Method of Operation for Forming Metal Support Structures
9 Feb 23
A three-dimensional (3D) metal object manufacturing apparatus is equipped with two solid metal moving mechanisms that are independently operated to move two different metals into the receptacle of a vessel in a melted metal drop ejecting apparatus.
Seemit Praharaj, Douglas K. Herrmann, Thomas J. Wyble, Jason M. LeFevre, Chu-Heng Liu, Paul J. McConville
Filed: 3 Aug 21
Utility
Methods and Systems for Automatically Identifying Ir Security Marks Based on Known Halftone Frequency and Color Information
2 Feb 23
The present disclosure discloses methods and systems for detecting an IR security mark in a document based on known color information and halftone frequency information.
Sainarayanan Gopalakrishnan, Rajasekar Kanagasabai, Haripriya Chandran
Filed: 2 Aug 21
Utility
Vessel for Melting Metal In a Metal Drop Ejecting Three-dimensional (3D) Object Printer
2 Feb 23
A three-dimensional (3D) metal object manufacturing apparatus is equipped with a vessel having a receptacle that holds melted metal.
Jason M. LeFevre, Douglas K. Herrmann, Chu-Heng Liu, Seemit Praharaj, David A. VanKouwenberg, Linn C. Hoover
Filed: 2 Aug 21
Utility
Retractable Printhead Wiper for Printhead Maintenance Units
26 Jan 23
A printhead maintenance system for a printing machine having at least one printhead, the system includes a body, at least one guide track supporting the body for movement along the at least one guide track in proximity to the face of the printhead, and a drive mechanism in engagement with the body and operable to move the body along the guide track.
Joshua Lake
Filed: 23 Jul 21
Utility
Dross Extraction System and Methods Thereof
19 Jan 23
A dross extraction system for a printer is disclosed, which includes an ejector defining an inner cavity associated therewith, the inner cavity retaining a liquid printing material.
Linn C. Hoover, Joseph C. Sheflin, Jason M. LeFevre, Seemit Praharaj, David Alan Vankouwenberg, Chu-Heng Liu, Douglas K. Herrmann, JR.
Filed: 13 Jul 21
Utility
Liquid Metal Ejector Level Sensing System and Methods Thereof
12 Jan 23
A method of controlling sensing level in a liquid ejector is disclosed.
Joseph C. Sheflin, Jason M. LeFevre
Filed: 6 Jul 21
Utility
System and Method for Controlling Temperature In a Three-dimensional (3D) Printer
12 Jan 23
A printer includes a heat control device configured to prevent a temperature of a part that is printed by the printer from decreasing by more than about 5° C. as a height of the part increases from about 0 mm to about 30 mm.
Jason M. LeFevre, Joseph C. Sheflin, Palghat S. Ramesh
Filed: 9 Jul 21
Utility
System and Method for Controlling Temperature In a Three-dimensional (3D) Printer
12 Jan 23
A printer includes a heat control device configured to cause a temperature of a part that is printed by the printer to remain within a predetermined range as a height of the part increases from about 0 mm to about 30 mm.
Jason M. LeFevre, Joseph C. Sheflin, Palghat S. Ramesh
Filed: 9 Jul 21
Utility
Characterizing Liquid Reflective Surfaces In 3D Liquid Metal Printing
29 Dec 22
A three-dimensional (3D) printer includes a nozzle and a camera configured to capture a real image or a real video of a liquid metal while the liquid metal is positioned at least partially within the nozzle.
Robert R. Price, Raja Bala, Svyatoslav Korneev, Christoforos Somarakis, Matthew Shreve, Adrian Lew, Palghat Ramesh
Filed: 24 Jun 21
Utility
Metal Drop Ejecting Three-dimensional (3D) Object Printer and Method of Operation for Facilitating Release of a Metal Object from a Build Platform
29 Dec 22
A three-dimensional (3D) metal object manufacturing apparatus is equipped with a vacuum system and a hold-down plate to secure a metal foil to the hold-down plate during manufacture of a metal object.
Jason M. LeFevre, Paul J. McConville, Douglas K. Herrmann, Chu-Heng Liu, Seemit Praharaj, Robert R. Reed
Filed: 28 Jun 21
Utility
Custom Color Unique Identifier Override Workflow
29 Dec 22
A system and method are provided which enable overriding a custom color callout in a print job.
Barry Ayash, Mark Rule, David B. Montfort
Filed: 25 Jun 21
Utility
Method and Apparatus for In-situ Digital Image Forming Fountain Solution Thickness Measurement
29 Dec 22
A coefficient of friction (COF) sensor on a carrier roll surface wetted with fountain solution transferred from an imaging member measures COF of the wetted carrier roll surface in real-time, even between or during printing operations.
Seemit PRAHARAJ, Chu-heng LIU, Paul J. MCCONVILLE, Douglas K. HERRMANN, Jason M. LEFEVRE
Filed: 25 Jun 21
Utility
Characterizing Liquid Reflective Surfaces In 3D Liquid Metal Printing
29 Dec 22
A method includes defining a model for a liquid while the liquid is positioned at least partially within a nozzle of a printer.
Robert R. Price, Raja Bala, Svyatoslav Korneev, Christoforos Somarakis, Matthew Shreve, Adrian Lew, Palghat Ramesh
Filed: 24 Jun 21