Patents by Inventor Semyon Melamed

Semyon Melamed 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).

  • Publication number: 20230191486
    Abstract: There is provided a formulation containing nanometric single-crystal metallic copper particles, and a method of producing the formulation.
    Type: Application
    Filed: February 23, 2023
    Publication date: June 22, 2023
    Inventors: Fernando DE LA VEGA, Semyon MELAMED
  • Patent number: 11590567
    Abstract: A formulation containing particulate matter including nanometric metallic copper particles, at least 10% of the particulate matter being single-crystal metallic copper particles, the particulate matter having an average secondary particle size (d50) within a range of 20 to 200 nanometers, the nanometric metallic copper particles being at least partially covered by at least one dispersant; a concentration ratio of crystalline cuprous oxide particles to the nanometric metallic copper particles, within the particulate matter, being at most 0.4; the formulation including a solvent, the particulate matter and the solvent forming a dispersion.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: February 28, 2023
    Assignee: P.V. NANO CELL LTD.
    Inventors: Fernando De La Vega, Semyon Melamed
  • Publication number: 20220044838
    Abstract: A concentrated dispersion of nanometric silver particles, and a method of producing the dispersion, the dispersion including a first solvent; a plurality of nanometric silver particles, in which a majority are single-crystal silver particles, the plurality of nanometric silver particles having an average secondary particle size (d50) within a range of 30 to 300 nanometers, the particles disposed within the solvent; and at least one dispersant; wherein a concentration of the silver particles within the dispersion is within a range of 30% to 75%, by weight, and wherein a concentration of the dispersant is within a range of 0.2% to 30% of the concentration of the silver particles, by weight.
    Type: Application
    Filed: April 18, 2021
    Publication date: February 10, 2022
    Inventors: Fernando DE LA VEGA, Ganit SHTER BAR JOSHUA, Semyon MELAMED, Reuven GEVA, Moshe LINK
  • Patent number: 10984920
    Abstract: A concentrated dispersion of nanometric silver particles, and a method of producing the dispersion, the dispersion including a first solvent; a plurality of nanometric silver particles, in which a majority are single-crystal silver particles, the plurality of nanometric silver particles having an average secondary particle size (d50) within a range of 30 to 300 nanometers, the particles disposed within the solvent; and at least one dispersant; wherein a concentration of the silver particles within the dispersion is within a range of 30% to 75%, by weight, and wherein a concentration of the dispersant is within a range of 0.2% to 30% of the concentration of the silver particles, by weight.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: April 20, 2021
    Assignee: P.V. Nano Cell Ltd.
    Inventors: Fernando De La Vega, Ganit Shter Bar Joshua, Semyon Melamed, Reuven Geva, Moshe Link
  • Publication number: 20190291180
    Abstract: There is provided a formulation containing nanometric single-crystal metallic copper particles, and a method of producing the formulation.
    Type: Application
    Filed: November 28, 2018
    Publication date: September 26, 2019
    Inventors: Fernando DE LA VEGA, Semyon MELAMED
  • Patent number: 10166602
    Abstract: A formulation containing nanometric single-crystal metallic copper particles, and a method of producing the formulation.
    Type: Grant
    Filed: March 3, 2015
    Date of Patent: January 1, 2019
    Assignee: P.V. NANO CELL LTD.
    Inventors: Fernando De La Vega, Semyon Melamed
  • Publication number: 20170128900
    Abstract: A concentrated dispersion of nanometric silver particles, and a method of producing the dispersion, the dispersion including a first solvent; a plurality of nanometric silver particles, in which a majority are single-crystal silver particles, the plurality of nanometric silver particles having an average secondary particle size (d50) within a range of 30 to 300 nanometers, the particles disposed within the solvent; and at least one dispersant; wherein a concentration of the silver particles within the dispersion is within a range of 30% to 75%, by weight, and wherein a concentration of the dispersant is within a range of 0.2% to 30% of the concentration of the silver particles, by weight.
    Type: Application
    Filed: January 23, 2017
    Publication date: May 11, 2017
    Inventors: Fernando DE LA VEGA, Ganit SHTER BAR JOSHUA, Semyon MELAMED, Reuven GEVA, Moshe LINK
  • Patent number: 9556350
    Abstract: A concentrated dispersion of nanometric silver particles, and a method of producing the dispersion, the dispersion including a first solvent; a plurality of nanometric silver particles, in which a majority are single-crystal silver particles, the plurality of nanometric silver particles having an average secondary particle size (d50) within a range of 30 to 300 nanometers, the particles disposed within the solvent; and at least one dispersant; wherein a concentration of the silver particles within the dispersion is within a range of 30% to 75%, by weight, and wherein a concentration of the dispersant is within a range of 0.2% to 30% of the concentration of the silver particles, by weight.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: January 31, 2017
    Assignee: P.V. NANOCELL LTD.
    Inventors: Fernando De La Vega, Ganit Shter Bar Joshua, Semyon Melamed, Reuven Geva, Moshe Link
  • Publication number: 20160368048
    Abstract: A formulation containing nanometric single-crystal metallic copper particles, and a method of producing the formulation.
    Type: Application
    Filed: March 3, 2015
    Publication date: December 22, 2016
    Inventors: Fernando DE LA VEGA, Semyon MELAMED
  • Publication number: 20130270490
    Abstract: A concentrated dispersion of nanometric silver particles, and a method of producing the dispersion, the dispersion including a first solvent; a plurality of nanometric silver particles, in which a majority are single-crystal silver particles, the plurality of nanometric silver particles having an average secondary particle size (d50) within a range of 30 to 300 nanometers, the particles disposed within the solvent; and at least one dispersant; wherein a concentration of the silver particles within the dispersion is within a range of 30% to 75%, by weight, and wherein a concentration of the dispersant is within a range of 0.2% to 30% of the concentration of the silver particles, by weight.
    Type: Application
    Filed: December 6, 2011
    Publication date: October 17, 2013
    Applicant: P.V. NANO CELL LTD.
    Inventors: Fernando De La Vega, Ganit Shter Bar Joshua, Semyon Melamed, Reuven Geva, Moshe Link
  • Patent number: 7918713
    Abstract: A conditioning process including the steps of: (a) providing a system including: (i) a workpiece having a metal working surface; (ii) a contact surface, disposed generally opposite the working surface, the contact surface including an organic, polymeric material and (iii) a plurality of particles, including abrasive particles, the plurality of particles disposed between the contact surface and the working surface, and (b) treating the workpiece so as to: (i) effect an at least partially elastic interaction between the contact surface and the abrasive particles such that at least a portion of the abrasive particles penetrate the working surface, and (ii) incorporate organic particles into the metal working surface, thereby producing a modified working surface, wherein the treating of the workpiece includes a lapping process including: (i) exerting a load on the contact surface and the metal working surface, and (ii) applying a relative motion between the metal working surface and the contact surface.
    Type: Grant
    Filed: January 10, 2007
    Date of Patent: April 5, 2011
    Assignee: Frisco Ltd.
    Inventors: Kostia Mandel, Boris Shamshidov, Bela Shteinvas, Semyon Melamed
  • Publication number: 20100255762
    Abstract: A conditioning process including the steps of: (a) providing a system including: (i) a workpiece having a metal working surface; (ii) a contact surface, disposed generally opposite the working surface, the contact surface including an organic, polymeric material and (iii) a plurality of particles, including abrasive particles, the plurality of particles disposed between the contact surface and the working surface, and (b) treating the workpiece so as to: (i) effect an at least partially elastic interaction between the contact surface and the abrasive particles such that at least a portion of the abrasive particles penetrate the working surface, and (ii) incorporate organic particles into the metal working surface, thereby producing a modified working surface, wherein the treating of the workpiece includes a lapping process including: (i) exerting a load on the contact surface and the metal working surface, and (ii) applying a relative motion between the metal working surface and the contact surface.
    Type: Application
    Filed: January 10, 2007
    Publication date: October 7, 2010
    Inventors: Kostia Mandel, Boris Shamshidov, Bela Shteinvas, Semyon Melamed
  • Patent number: 7766727
    Abstract: A tribological system including: a tribological workpiece having a working surface adapted for moving relative to a counter-surface in a presence of a lubricant, in a load-bearing environment, the working surface for disposing generally opposite the counter-surface, the working surface having: (i) a metal surface layer; (ii) a plurality of organic particles incorporated in the metal surface layer, and (iii) a plurality of inorganic particles incorporated in the working surface, the inorganic particles having a Mohs hardness of at least 8.
    Type: Grant
    Filed: January 10, 2008
    Date of Patent: August 3, 2010
    Assignee: Fricso Ltd
    Inventors: Kostia Mandel, Boris Shamshidov, Bela Shteinvas, Semyon Melamed, Sergei Stefanidin
  • Patent number: 7578724
    Abstract: A mechanical device for lapping, and a method therefore, the device including: (a) a metal workpiece having a metal working surface; (b) a contact surface, disposed generally opposite the working surface, for moving in a relative motion to the working surface; (c) abrasive particles disposed between the contact surface and the working surface, and (d) a mechanism, associated with the working surface and/or the contact surface, for applying the relative motion, and for exerting a load in a substantially normal direction to the contact surface and the working surface, the contact surface for providing an at least partially elastic interaction with the plurality of abrasive particles, wherein, associated with the contact surface is a particulate additive, and wherein, upon activation of the mechanism, the relative motion under the load causes a portion of the abrasive particles to penetrate the working surface, and wherein the relative motion under the load effects incorporation of a portion of the particulate a
    Type: Grant
    Filed: November 28, 2005
    Date of Patent: August 25, 2009
    Assignee: Fricso Ltd.
    Inventors: Bela Shteinvas, Semyon Melamed, Kostia Mandel
  • Publication number: 20080311825
    Abstract: A mechanical device and method for lapping a metal working surface, the device including: (a) a workpiece having the metal working surface; (b) a contact surface, disposed generally opposite the working surface, for moving in a relative motion to the working surface; (c) a plurality of abrasive particles, disposed between the contact surface and the working surface, and (d) a mechanism, associated with at least one of the surfaces, for applying the relative motion, and for exerting a load on the contact surface and the working surface, the contact surface for providing an at least partially elastic interaction with the abrasive particles, wherein, associated with the contact surface is a particulate additive material, and wherein, upon activation of the mechanism, the relative motion under the load causes a portion of the abrasive particles to lap the working surface, and wherein the relative motion under the load effects incorporation of a portion of the particulate additive material into the working surface
    Type: Application
    Filed: November 28, 2006
    Publication date: December 18, 2008
    Applicant: Fricso Ltd
    Inventors: Bella Shteinvas, Semyon Melamed, Kostia Mandel
  • Publication number: 20080227372
    Abstract: A tribological system including: a tribological workpiece having a working surface adapted for moving relative to a counter-surface in a presence of a lubricant, in a load-bearing environment, the working surface for disposing generally opposite the counter-surface, the working surface having: (i) a metal surface layer; (ii) a plurality of organic particles incorporated in the metal surface layer, and (iii) a plurality of inorganic particles incorporated in the working surface, the inorganic particles having a Mohs hardness of at least 8.
    Type: Application
    Filed: January 10, 2008
    Publication date: September 18, 2008
    Applicant: FricSo Ltd.
    Inventors: KOSTIA MANDEL, Boris Shamshidov, Bela Shteinvas, Semyon Melamed, Sergei Stefanidin
  • Publication number: 20080166214
    Abstract: A tribological system including: a tribological workpiece having a working surface adapted for moving relative to a counter-surface in a presence of a lubricant, in a load-bearing environment, the working surface for disposing generally opposite the counter-surface, the working surface having: (i) a metal surface layer; (ii) a plurality of organic particles incorporated in the metal surface layer, and (iii) a plurality of inorganic particles incorporated in the working surface, the inorganic particles having a Mohs hardness of at least 8.
    Type: Application
    Filed: January 10, 2007
    Publication date: July 10, 2008
    Inventors: Kostia Mandel, Boris Shamshidov, Bela Shteinvas, Semyon Melamed
  • Publication number: 20080166950
    Abstract: A method of operating a tribological system including the steps of: (a) providing a workpiece having a tribological working surface, the working surface including: (i) a metal surface layer; (ii) a plurality of organic particles intimately incorporated in the metal surface layer, and (iii) a plurality of inorganic particles incorporated in the working surface, the inorganic particles having a Mohs hardness of at least 8; (b) providing a counter-surface disposed opposite the working surface; (c) disposing a lubricant between the working surface and the counter-surface; (d) providing at least one mechanism, associated with at least one of the working surface and the second surface, for applying a relative motion between the surfaces, and for exerting a load on the surfaces; (e) exerting the load between the working surface and the counter-surface, and (f) applying the relative motion between the working surface and the counter-surface.
    Type: Application
    Filed: January 10, 2007
    Publication date: July 10, 2008
    Inventors: Kostia Mandel, Boris Shamshidov, Bela Shteinvas, Semyon Melamed
  • Publication number: 20080166955
    Abstract: A mechanical system for lapping a metal working surface, including: (a) a workpiece having the metal working surface; (b) a lapping tool having a contact surface, the contact surface for disposing generally opposite the working surface, the contact surface including an organic, polymeric material; (c) a plurality of particles, including abrasive particles, the abrasive particles for disposing between the contact surface and the working surface, and (d) a mechanism, associated with at least one of the working and contact surfaces, for applying a relative motion between the contact surface and the metal working surface, and for exerting a load on the contact surface and the working surface, the contact surface for providing an at least partially elastic interaction with the plurality of abrasive particles, and wherein the contact surface and the mechanism are designed and configured, and the plurality of particles is selected, such that upon activation of the mechanism, the relative motion under the load effect
    Type: Application
    Filed: January 10, 2007
    Publication date: July 10, 2008
    Inventors: Kostia Mandel, Boris Shamshidov, Bela Shteinvas, Semyon Melamed
  • Publication number: 20070123152
    Abstract: A mechanical device for lapping, and a method therefor, the device including: (a) a metal workpiece having a metal working surface; (b) a contact surface, disposed generally opposite the working surface, for moving in a relative motion to the working surface; (c) abrasive particles disposed between the contact surface and the working surface, and (d) a mechanism, associated with the working surface and/or the contact surface, for applying the relative motion, and for exerting a load in a substantially normal direction to the contact surface and the working surface, the contact surface for providing an at least partially elastic interaction with the plurality of abrasive particles, wherein, associated with the contact surface is a particulate additive, and wherein, upon activation of the mechanism, the relative motion under the load causes a portion of the abrasive particles to penetrate the working surface, and wherein the relative motion under the load effects incorporation of a portion of the particulate ad
    Type: Application
    Filed: November 28, 2005
    Publication date: May 31, 2007
    Inventors: Bela Shteinvas, Semyon Melamed, Kostia Mandel