Patents by Inventor Hamid Bolvardi

Hamid Bolvardi 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).

  • Patent number: 11643717
    Abstract: A coated tool for hot stamping of coated or uncoated sheet metals, comprising a coated substrate surface to be in contact with the coated or uncoated metal sheet, wherein the coating in the coated substrate surface comprises one or more inferior layers and one or more superior layers, where the inferior layers are deposited closer to the substrate surface than the superior layers, and: the inferior layers are designed for providing load bearing capacity, the superior layers are designed for providing galling resistance, at least one superior layer is deposited having a multi-nanolayer structure wherein: one type of nanolayer is composed of at least 90 at.-% of chromium and nitrogen, a second type of nanolayer is composed of at least 90 at.-% of titanium, aluminum and nitrogen, a third type of nanolayer is composed of at least 90 at.-% of vanadium carbon and nitrogen.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: May 9, 2023
    Assignee: Oerlikon Surface Solutions AG, Pfäffikon
    Inventors: Ali Khatibi, Hamid Bolvardi, Etienne Billot, Nikolas Schaal, Pascal Schaback, Mirjam Arndt
  • Patent number: 11479862
    Abstract: A component of a turbine, in particular a gas turbine, wherein the component has a coating for increasing the erosion and corrosion resistance, wherein the coating is preferably applied directly to the component, wherein the coating consists of a functional layer and an intermediate layer, wherein the intermediate layer is arranged between the turbine blade substrate and the functional layer and wherein the functional layer consists of the elements Al, Cr, O and N.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: October 25, 2022
    Assignee: Oerlikon Surface Solutions AG, Pfäffikon
    Inventors: Juergen Ramm, Hamid Bolvardi, Oliver Jarry, Lin Shang, Beno Widrig, Carmen Jerg
  • Patent number: 11466357
    Abstract: The present invention relates to coatings comprising or consisting of one or more ternary TM-diboride coating films. The ternary TM-diboride coating films showing exceptionally high phase stability and mechanical properties, even at high temperatures or even after exposition to high temperatures.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: October 11, 2022
    Assignee: Oerlikon Surface Solutions AG, Pfaffikon
    Inventors: Vincent Moraes, Paul Heinz Mayrhofer, Hamid Bolvardi, Mirjam Arndt, Peter Polcik
  • Publication number: 20220136096
    Abstract: Coated tool comprising a coated surface, the coated surface comprising a substrate having a surface on which a coating is deposited, wherein the substrate is made of a material comprising cobalt, and wherein the coating comprises at least one boron-comprising layer, wherein the at least one boron-comprising layer comprises Al and the boron comprised in this layer is present as boride, thereby the boron-comprising layer is able to form further layers for providing a diffusion barrier layer effect, in particular for stopping diffusion of cobalt from the substrate surface to the coating, when the coated tool or the coated surface is exposed to temperatures in a range between approximately 600 and 1200° C.
    Type: Application
    Filed: February 10, 2020
    Publication date: May 5, 2022
    Inventors: Hamid BOLVARDI, Jürgen RAMM, Mirjam ARNDT
  • Publication number: 20220106677
    Abstract: Coated tool for hot stamping of coated or uncoated sheet metals, in particular for hot stamping of AlSi- or Zn-coated sheet metals[KM2], comprising a coated substrate surface to be in contact with the coated or uncoated metal sheet, wherein the coating in the coated substrate surface is a multi-layer coating comprising one or more inferior layers and one or more superior layers, where the inferior layers are deposited closer to the substrate surface than the superior layers, whereas: —the inferior layers are designed for providing load bearing capacity, —the superior layers are designed for providing galling resistance, —at least one superior layer (layer 5) is deposited having a multi-nanolayer structure formed by sublayers of the type A, B and C, said three kind of sublayers being nanolayers deposited alternate one on each other forming a sequence of the type . . . A/B/C/A/B/C/A . . .
    Type: Application
    Filed: February 3, 2020
    Publication date: April 7, 2022
    Inventors: Ali KHATIBI, Hamid BOLVARDI, Etienne BILLOT, Nikolas SCHAAL, Pascal SCHABACK, Mirjam ARNDT
  • Publication number: 20220002880
    Abstract: An improved coating used in plastic processing applications including a first layer system that includes at least one corrosion resistant material layer; a second layer system that includes at least one abrasion resistant material layers; and a transition layer provided between the first layer and the second layer. The coating is resistant to both abrasion and corrosion, while maintaining ductility and impact resistance.
    Type: Application
    Filed: November 14, 2019
    Publication date: January 6, 2022
    Applicant: Oerlikon Surface Solutions AG, Pfäffikon
    Inventors: Hamid BOLVARDI, Ali KHATIBI, Jürgen RAMM, Mirjam ARNDT, Florian NEFF
  • Patent number: 11158491
    Abstract: The present invention discloses a target assembly which allows safe, fracture-free and economic operation of target materials with low fracture toughness and/or bending strength during arc evaporation processes as well as in sputtering processes. The present invention discloses a target assembly for PVD processes, comprising a target, and a target holding device (20), characterized in that the target (10) comprises a first bayonet lock and the target holding device (20) comprises a counterbody for the first bayonet lock of the target and a second bayonet lock for engaging the target assembly in the cooling means of the deposition chamber.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: October 26, 2021
    Assignee: Oerlikon Surface Solutions AG, Pfäffikon
    Inventors: Joerg Kerschbaumer, Hamid Bolvardi, Siegfried Krassnitzer, Markus Esselbach
  • Publication number: 20200392629
    Abstract: A component of a turbine, in particular a gas turbine, wherein the component has a coating for increasing the erosion and corrosion resistance, wherein the coating is preferably applied directly to the component, wherein the coating consists of a functional layer and an intermediate layer, wherein the intermediate layer is arranged between the turbine blade substrate and the functional layer and wherein the functional layer consists of the elements Al, Cr, O and N.
    Type: Application
    Filed: December 20, 2018
    Publication date: December 17, 2020
    Inventors: Juergen RAMM, Hamid BOLVARDI, Oliver JARRY, Lin SHANG, Beno WIDRIG, Carmen JERG
  • Publication number: 20200332407
    Abstract: The present invention relates to coatings comprising or consisting of one or more ternary TM-diboride coating films. The ternary TM-diboride coating films showing exceptionally high phase stability and mechanical properties, even at high temperatures or even after exposition to high temperatures.
    Type: Application
    Filed: October 8, 2018
    Publication date: October 22, 2020
    Inventors: Vincent MORAES, Paul Heinz MAYRHOFER, Hamid BOLVARDI, Mirjam ARNDT, Peter POLCIK
  • Patent number: 10774416
    Abstract: The present disclosure relates to a coated substrate with a coating deposited on at least a part of the substrate surface, said coating comprising at least one metal boron carbide layer, characterized in that the metal boron carbide layer is a ternary compound exhibiting a polycrystalline structure formed of a single phase of hafnium, boron and carbon. Further a method for deposition of such a coating is provided.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: September 15, 2020
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventors: Hamid Bolvardi, Mirjam Arndt, Helmut Rudigier, Jochen Schneider, Konda Gokuldoss Pradeep
  • Publication number: 20200090915
    Abstract: The present invention discloses a target assembly which allows safe, fracture-free and economic operation of target materials with low fracture toughness and/or bending strength during arc evaporation processes as well as in sputtering processes. The present invention discloses a target assembly for PVD processes, comprising a target, and a target holding device (20), characterized in that the target (10) comprises a first bayonet lock and the target holding device (20) comprises a counterbody for the first bayonet lock of the target and a second bayonet lock for engaging the target assembly in the cooling means of the deposition chamber.
    Type: Application
    Filed: May 30, 2018
    Publication date: March 19, 2020
    Inventors: Joerg KERSCHBAUMER, Hamid BOLVARDI, Siegfried KRASSNITZER, Markus ESSELBACH
  • Publication number: 20190062897
    Abstract: The present disclosure relates to a coated substrate with a coating deposited on at least a part of the substrate surface, said coating comprising at least one metal boron carbide layer, characterized in that the metal boron carbide layer is a ternary compound exhibiting a polycrystalline structure formed of a single phase of HfuBvCw, wherein u+v+w=100 and 35>v>0 at. % and 35>w>0 and u?60 at. %. Further a method for deposition of such a coating is provided. Said coating comprising at least one metal boron carbide layer, characterized in that the metal boron carbide layer is a ternary compound exhibiting a polycrystalline structure formed of a single phase of hafnium, boron and carbon.
    Type: Application
    Filed: October 14, 2016
    Publication date: February 28, 2019
    Inventors: Hamid Bolvardi, Mirjam Arndt, Helmut Rudigier, Jochen Schneider, Konda Gokuldoss Pradeep
  • Patent number: 9624571
    Abstract: The invention relates to a PVD process for coating a substrate with a layer containing at least one microcrystalline metallic borocarbide phase. During the PVD process, the source output is pulsed such that the at least one peak of which the half intensity width allows conclusions to be drawn about the presence of a microcrystalline phase of the metallic borocarbide layer can be identified in the x-ray spectrum of a layer produced in this way at a substrate temperature below 600° C.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: April 18, 2017
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventors: Mirjam Arndt, Helmut Rudigier, Hamid Bolvardi, Jochen Schneider
  • Publication number: 20150232982
    Abstract: The invention relates to a PVD process for coating a substrate with a layer containing at least one microcrystalline metallic borocarbide phase. During the PVD process, the source output is pulsed such that the at least one peak of which the half intensity width allows conclusions to be drawn about the presence of a microcrystalline phase of the metallic borocarbide layer can be identified in the x-ray spectrum of a layer produced in this way at a substrate temperature below 600° C.
    Type: Application
    Filed: September 9, 2013
    Publication date: August 20, 2015
    Inventors: Mirjam Arndt, Helmut Rudigier, Hamid Bolvardi, Jochen Schneider