Patents by Inventor Robert J. Nick
Robert J. Nick has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11951515Abstract: Techniques for depowdering in additive fabrication are provided. According to some aspects, techniques are provided that separate powder from parts by directing gas onto, or near to, the powder. While fragile green parts, such as green parts produced by binder jetting, may be fragile with respect to scraping or impacts, such parts may nonetheless be resistance to damage from directed gas, even if directed at a high pressure. Techniques for depowdering through directed application of gas may be automated, thereby mitigating challenges associated with manual depowdering operations.Type: GrantFiled: August 3, 2020Date of Patent: April 9, 2024Assignee: Desktop Metal, Inc.Inventors: Jamison Go, Michael Santorella, Jonah Samuel Myerberg, Matthew McCambridge, Alexander LeGendre, Joseph Gabay, Robert J. Nick, Michael Goldblatt
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Patent number: 11945943Abstract: Methods of additive manufacturing, binder compositions for additive manufacturing, and articles produced by and/or associated with methods of additive manufacturing are generally described.Type: GrantFiled: August 20, 2020Date of Patent: April 2, 2024Assignee: Desktop Metal, Inc.Inventors: Christopher Benjamin Renner, Ilya L. Rushkin, Robert J. Nick, Emanuel M. Sachs
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Publication number: 20230364860Abstract: Techniques are provided for fabricating parts via additive manufacturing by causing a component of a build material powder to contact a binder composition to thereby perform a metathesis chain-growth polymerization reaction (e.g., an olefin metathesis polymerization reaction such as ring-opening metathesis polymerization).Type: ApplicationFiled: May 10, 2023Publication date: November 16, 2023Applicant: Desktop Metal, Inc.Inventors: Brian Creran, Robert J. Nick, Alexander C. Barbati, Benjamin Robert Lund
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Patent number: 11759859Abstract: Techniques for depowdering in additive fabrication are provided. According to some aspects, techniques are provided that separate powder from additively fabricated parts through liquid immersion of the parts. Motion of the liquid, such as liquid currents, may dislodge or otherwise move powder away from additively fabricated parts to which it is adhered or otherwise proximate to. The liquid may also provide a vehicle to carry away powder from the additively fabricated parts. Removed powder may be filtered or otherwise separated from the liquid to allow recirculation of the liquid to the parts and/or to enable re-use of the powder in subsequent additive fabrication processes. Techniques for depowdering through liquid immersion may be automated, thereby mitigating challenges associated with manual depowdering operations.Type: GrantFiled: August 21, 2020Date of Patent: September 19, 2023Assignee: Desktop Metal, Inc.Inventors: Jamison Go, Daniel Sachs, Robert J. Nick, Jonah Samuel Myerberg, Michael Goldblatt
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Publication number: 20220250149Abstract: Embodiments described herein relate to methods and systems for controlling the packing behavior of powders for additive manufacturing applications. In some embodiments, a method for additive manufacturing includes adding a packing modifier to a base powder to form a build material. The build material may be spread to form a layer across a powder bed, and the build material may be selectively joined along a two-dimensional pattern associated with the layer. The steps of spreading a layer of build material and selectively joining the build material in the layer may be repeated to form a three-dimensional object. The packing modifier may be selected to enhance one or more powder packing and/or powder flow characteristics of the base powder to provide for improved uniformity of the additive manufacturing process, promote sintering, and/or to enhance the properties of the manufactured three-dimensional objects.Type: ApplicationFiled: November 8, 2019Publication date: August 11, 2022Applicant: Desktop Metal, Inc.Inventors: Michael A. Gibson, Alexander C. Barbati, George Hudelson, Robert J. Nick, Paul A. Hoisington, Brian D. Kernan
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Publication number: 20220168808Abstract: According to some aspects, techniques are described for fabricating sinterable metallic parts using a binder formulation that comprises a water-soluble polyamide, such as nylon. A binder comprising a water-soluble polyamide may allow a binder jetting process to produce high strength brown parts due to the toughness of such binders as compared to other water soluble binders such as polyacrylic acid or polyvinyl alcohol. Water soluble polyamides may simultaneously provide higher printhead reliability due to their water retaining characteristics and avoid the use of more expensive, toxic and often flammable solvents. Additionally, polyamide binders may react at a curing temperature with the properly selected humectants such as ethylene urea or hydantoin to create a part that is insensitive to strength loss due to moisture in the cured state.Type: ApplicationFiled: December 1, 2021Publication date: June 2, 2022Applicant: Desktop Metal, Inc.Inventor: Robert J. Nick
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Publication number: 20210237159Abstract: Techniques for depowdering additively fabricated parts are described. The techniques utilize various mechanisms to separate powder from parts. For instance, techniques for depowdering described herein may include fabrication of auxiliary structures in addition to fabrication of parts. Certain auxiliary structures may aid with depowdering operations, and may be fabricated along with parts during an additive fabrication process. The auxiliary structures may be shaped and/or have positional and/or geometrical relationships to the parts during fabrication. For instance, an auxiliary structure may include a cage structure fabricated around one or more parts.Type: ApplicationFiled: December 10, 2020Publication date: August 5, 2021Applicant: Desktop Metal, Inc.Inventors: Jamison Go, Michael Santorella, Jonah Samuel Myerberg, Matthew McCambridge, Alexander LeGendre, Robert J. Nick, Michael Goldblatt, Robert Michael Shydo, JR., Midnight Zero, Emanuel M. Sachs, Jeffrey von Loesecke, Alexander K. McCalmont, George Hudelson, Joe Pantano
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Quantum dot-containing materials and products including same cross reference to related applications
Patent number: 11060022Abstract: A pre-polymer formulation comprising quantum dots and a precursor for a polymer having a free volume parameter VFH2/? with a value less than or equal to 0.03 cm3/g is disclosed. A pre-polymer formulation comprising quantum dots and a cyclohexylacrylate monomer is further disclosed. Also disclosed are a quantum dot composition including quantum dots dispersed in a polymer matrix, the quantum dot composition being prepared from a pre-polymer formulation comprising quantum dots and a precursor for a polymer having a free volume parameter VFH2/? with a value less than or equal to cm3/g; a method; and other products including a quantum dot composition described herein.Type: GrantFiled: November 8, 2019Date of Patent: July 13, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Robert J. Nick, Whitney Miller -
Publication number: 20210060651Abstract: Techniques for depowdering in additive fabrication are provided. According to some aspects, techniques are provided that separate powder from additively fabricated parts through liquid immersion of the parts. Motion of the liquid, such as liquid currents, may dislodge or otherwise move powder away from additively fabricated parts to which it is adhered or otherwise proximate to. The liquid may also provide a vehicle to carry away powder from the additively fabricated parts. Removed powder may be filtered or otherwise separated from the liquid to allow recirculation of the liquid to the parts and/or to enable re-use of the powder in subsequent additive fabrication processes. Techniques for depowdering through liquid immersion may be automated, thereby mitigating challenges associated with manual depowdering operations.Type: ApplicationFiled: August 21, 2020Publication date: March 4, 2021Applicant: Desktop Metal, Inc.Inventors: Jamison Go, Daniel Sachs, Robert J. Nick, Jonah Samuel Myerberg, Michael Goldblatt
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Publication number: 20210053113Abstract: Methods of additive manufacturing, binder compositions for additive manufacturing, and articles produced by and/or associated with methods of additive manufacturing are generally described.Type: ApplicationFiled: August 20, 2020Publication date: February 25, 2021Applicant: Desktop Metal, Inc.Inventors: Christopher Benjamin Renner, Ilya L. Rushkin, Robert J. Nick, Emanuel M. Sachs
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Publication number: 20210046519Abstract: Techniques for depowdering in additive fabrication are provided. According to some aspects, techniques are provided that separate powder from parts by directing gas onto, or near to, the powder. While fragile green parts, such as green parts produced by binder jetting, may be fragile with respect to scraping or impacts, such parts may nonetheless be resistance to damage from directed gas, even if directed at a high pressure. Techniques for depowdering through directed application of gas may be automated, thereby mitigating challenges associated with manual depowdering operations.Type: ApplicationFiled: August 3, 2020Publication date: February 18, 2021Applicant: Desktop Metal, Inc.Inventors: Jamison Go, Michael Santorella, Jonah Samuel Myerberg, Matthew McCambridge, Alexander LeGendre, Joseph Gabay, Robert J. Nick, Michael Goldblatt
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QUANTUM DOT-CONTAINING MATERIALS AND PRODUCTS INCLUDING SAME CROSS REFERENCE TO RELATED APPLICATIONS
Publication number: 20200071607Abstract: A pre-polymer formulation comprising quantum dots and a precursor for a polymer having a free volume parameter VFH2/? with a value less than or equal to 0.03 cm3/g is disclosed. A pre-polymer formulation comprising quantum dots and a cyclohexylacrylate monomer is further disclosed. Also disclosed are a quantum dot composition including quantum dots dispersed in a polymer matrix, the quantum dot composition being prepared from a pre-polymer formulation comprising quantum dots and a precursor for a polymer having a free volume parameter VFH2/? with a value less than or equal to cm3/g; a method; and other products including a quantum dot composition described herein.Type: ApplicationFiled: November 8, 2019Publication date: March 5, 2020Inventors: Robert J. NICK, Whitney MILLER -
Patent number: 10543643Abstract: According to some aspects, a de-powdering subsystem for an additive fabrication system is described. The de-powdering subsystem may comprise a bath subsystem. The bath subsystem may comprise a reservoir configured to contain a liquid and to accept objects to be de-powdered into the liquid, and an agitation facility configured to cause currents within the liquid. The agitator facility may be at least one of (i) a pump configured to circulate the liquid within the reservoir, (ii) a heating element configured to generate convection currents in the liquid, and (iii) a stirrer driven through a linkage to a motor. The bath subsystem may comprise at least one ultrasonic transducer configured to apply ultrasonic vibrations to the liquid within the reservoir.Type: GrantFiled: June 28, 2019Date of Patent: January 28, 2020Assignee: Desktop Metal, Inc.Inventors: Daniel Sachs, Jamison Go, Robert J. Nick
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Patent number: 10513656Abstract: A pre-polymer formulation comprising quantum dots and a precursor for a polymer having a free volume parameter VFH2/? with a value less than or equal to 0.03 cm3/g is disclosed. A pre-polymer formulation comprising quantum dots and a cyclohexylacrylate monomer is further disclosed. Also disclosed are a quantum dot composition including quantum dots dispersed in a polymer matrix, the quantum dot composition being prepared from a pre-polymer formulation comprising quantum dots and a precursor for a polymer having a free volume parameter VFH2/? with a value less than or equal to cm3/g; a method; and other products including a quantum dot composition described herein.Type: GrantFiled: September 8, 2015Date of Patent: December 24, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Robert J. Nick, Whitney Miller
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Publication number: 20190344505Abstract: According to some aspects, a de-powdering subsystem for an additive fabrication system is described. The de-powdering subsystem may comprise a bath subsystem. The bath subsystem may comprise a reservoir configured to contain a liquid and to accept objects to be de-powdered into the liquid, and an agitation facility configured to cause currents within the liquid. The agitator facility may be at least one of (i) a pump configured to circulate the liquid within the reservoir, (ii) a heating element configured to generate convection currents in the liquid, and (iii) a stirrer driven through a linkage to a motor. The bath subsystem may comprise at least one ultrasonic transducer configured to apply ultrasonic vibrations to the liquid within the reservoir.Type: ApplicationFiled: June 28, 2019Publication date: November 14, 2019Applicant: Desktop Metal, Inc.Inventors: Daniel Sachs, Jamison Go, Robert J. Nick
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Patent number: 10221354Abstract: A luminescent particle including a surface comprising glass that surrounds one or more particles of one or more light emissive materials is disclosed. Preferably the surface comprises a vitrified glass. Methods form making a luminescent particle including a surface comprising glass that surrounds one or more particles of one or more light emissive materials is also disclosed. Compositions and products including a luminescent particle are further disclosed.Type: GrantFiled: May 19, 2016Date of Patent: March 5, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Robert J. Nick
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Patent number: 10056523Abstract: A method of making a device comprises forming a layer comprising quantum dots over a substrate including a first electrode, fixing the layer comprising quantum dots formed over the substrate, and exposing at least a portion of, and preferably all, exposed surfaces of the fixed layer comprising quantum dots to small molecules. The layer comprising quantum dots can be preferably fixed in the absence or substantial absence of oxygen. Also disclosed is a method of making a device comprises forming a layer comprising quantum dots over a substrate including a first electrode, exposing the layer comprising quantum dots to small molecules and light flux.Type: GrantFiled: November 13, 2016Date of Patent: August 21, 2018Assignee: SAMSUNG RESEARCH AMERICA, INC.Inventors: Peter T. Kazlas, John Spencer Morris, Robert J. Nick, Zoran Popovic, Matthew Stevenson, Jonathan S. Steckel
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Patent number: 10012778Abstract: A glass tube including quantum dots in a polymerized matrix is described. An optical component and other products including such glass tube, a composition including quantum dots, and methods are also disclosed.Type: GrantFiled: January 4, 2018Date of Patent: July 3, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Robert J. Nick, Sridhar Sadasivan, John R. Linton
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Patent number: 10000015Abstract: A hermetically sealed optical component includes an optical material including an optical material comprising quantum dots sealed between glass substrates by a hermetic seal including a liquid crystalline polymer.Type: GrantFiled: May 19, 2016Date of Patent: June 19, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Robert J. Nick
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Publication number: 20180128955Abstract: A glass tube including quantum dots in a polymerized matrix is described. An optical component and other products including such glass tube, a composition including quantum dots, and methods are also disclosed.Type: ApplicationFiled: January 4, 2018Publication date: May 10, 2018Inventors: ROBERT J. NICK, SRIDHAR SADASIVAN, JOHN R. LINTON