Patents by Inventor Aleksandar Lozanov DAVIDKOV

Aleksandar Lozanov DAVIDKOV 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: 11879167
    Abstract: The invention relates to a rolled composite aerospace product comprising a 2XXX-series core layer and a 6XXX-series aluminium alloy clad layer coupled to at least one surface of the 2XXX-series core layer, wherein the 6XXX-series aluminium alloy comprises, in wt. %, Si 0.3% to 1.0%, Mg 0.3% to 1.1%, Mn 0.04% to 1.0%, Fe 0.03% to 0.4%, Cu up to 0.10%, Cr up to 0.25%, V up to 0.2%, Zr up to 0.2%, Zn up to 0.5%, Ti up to 0.15%, unavoidable impurities each <0.05%, total <0.15%, balance aluminium. The invention further relates to a method of manufacturing such a rolled composite aerospace product.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: January 23, 2024
    Assignee: Novelis Koblenz GmbH
    Inventors: Aleksandar Lozanov Davidkov, Achim Bürger, Sabine Maria Spangel, Philippe Meyer
  • Publication number: 20220325388
    Abstract: The invention relates to a rolled composite aerospace product comprising a 2XXX-series core layer and a 6XXX-series aluminium alloy clad layer coupled to at least one surface of the 2XXX-series core layer, wherein the 6XXX-series aluminium alloy comprises, in wt. %, Si 0.3% to 1.0%, Mg 0.3% to 1.1%, Mn 0.04% to 1.0%, Fe 0.03% to 0.4%, Cu up to 0.10%, Cr up to 0.25%, V up to 0.2%, Zr up to 0.2%, Zn up to 0.5%, Ti up to 0.15%, unavoidable impurities each <0.05%, total <0.15%, balance aluminium. The invention further relates to a method of manufacturing such a rolled composite aerospace product.
    Type: Application
    Filed: July 27, 2020
    Publication date: October 13, 2022
    Applicant: Aleris Rolled Products Germany GmbH
    Inventors: Aleksandar Lozanov Davidkov, Achim Bürger, Sabine Maria Spangel, Philippe Meyer
  • Publication number: 20210033358
    Abstract: A heat exchanger incorporating at least one component made from a rolled 6xxx-series aluminium alloy having a composition, in wt. %, of Si 0.2% to 1.3%, Mg 0.3% to 1.3%, Cu up to 0.80%, Fe 0.05% to 1.0%, Mn 0.05% to 0.70%, optionally one or two elements selected from the group 0.05-0.35% Zr and 0.04-0.35% Cr, Zn up to 0.25%, Ti up to 0.25%, balance unavoidable impurities and aluminium, and wherein the Fe/Mn ratio is <1.90.
    Type: Application
    Filed: February 23, 2017
    Publication date: February 4, 2021
    Applicant: Aleris Rolled Products Germany GmbH
    Inventors: Aleksandar Lozanov Davidkov, Henricus Matheus van der Donk
  • Publication number: 20210025046
    Abstract: An automotive outer panel made from a 6xxx-series aluminium alloy sheet product consisting of, in wt. %: Si 0.54% to 0.75%, Mg 0.57% to 0.80%, Cu 0.03% to 0.20%, Mn 0.06% to 0.20%, Fe 0.10% to 0.25%, wherein the ratio of Fe to Mn is in a range of 1.0 to 2.30 (Fe:Mn), Cr up to 0.09%, Zn up to 0.15%, V up to 0.04%, Ti up to 0.15%, other elements and unavoidable impurities each up to 0.05%, total up to 0.2%, balance aluminium.
    Type: Application
    Filed: July 30, 2018
    Publication date: January 28, 2021
    Applicant: ALERIS ALUMINUM DUFFEL BVBA
    Inventors: Philippe MEYER, Els VERBOOM, Aleksandar Lozanov DAVIDKOV