Patents by Inventor Craig Matzdorf

Craig Matzdorf 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: 20230357891
    Abstract: A powdered alloy with a chemical composition of AlxSi, where X is an amount of Si from 10 to 30 weight percent. More specifically, a powdered alloy with a chemical composition of AlxSiySnzIn, where X is an amount of Si from 10 to 30 weight percent, Y is an amount of Sn from 0.01 to 0.50 weight percent, and Z is an amount of In from 0.005 to 0.05 weight percent.
    Type: Application
    Filed: July 10, 2023
    Publication date: November 9, 2023
    Inventors: CRAIG MATZDORF, Michael Brindza
  • Patent number: 11739395
    Abstract: A method of creating aluminum powder, the method comprising of blending and melting aluminum of a purity from about 99% to about 99.999% with an embrittling element or combination of embrittling elements selected from the group consisting of silicon in the amount of 1 to 30% by weight and germanium; mixing together the melted aluminum and embrittling elements such that an alloy is created; cooling the mixed alloy; cutting the cooled alloy into smaller pieces; crushing the cut pieces; and, pulverizing and milling the crushed pieces into particles with a size of less than 200 micrometers.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: August 29, 2023
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, Michael Brindza
  • Publication number: 20230136068
    Abstract: Process for treating metal such as aluminum and its alloys to prevent corrosion which comprises coating the metal with a chromium-free conversion composition containing effective amounts of metal fluorozirconates and carboxylic metal salts.
    Type: Application
    Filed: November 3, 2021
    Publication date: May 4, 2023
    Inventors: CRAIG MATZDORF, Megan Fretz, Joshua Walles
  • Patent number: 11155928
    Abstract: This invention is directed to a process of coating metal in a trivalent chromium conversion-electrolyte coating wherein the metal anode or cathode is subjected to a current density ranging up to about 3.0 amperes per square foot for a period ranging up to 60 minutes.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: October 26, 2021
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, Alan Grieve, Alexander Westbrook, Jeremy Mattison
  • Publication number: 20210189580
    Abstract: This invention is directed to a process of coating metal in a trivalent chromium conversion-electrolyte coating wherein the metal anode or cathode is subjected to a current density ranging up to about 3.0 amperes per square foot for a period ranging up to 60 minutes.
    Type: Application
    Filed: December 19, 2019
    Publication date: June 24, 2021
    Applicant: United States of America as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, Alan Grieve, Alexander Westbrook, Jeremy Mattison
  • Patent number: 10889723
    Abstract: The invention comprises synergistic compositions of at least one metal polycarboxylate and lithium phosphate. The synergistic compositions are designed to be added to film-forming or other compositions to reduce the corrosion of various metal surfaces or substrates on which the synergistic compositions are applied.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: January 12, 2021
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, Frank Pepe, Michael Brindza
  • Publication number: 20200283912
    Abstract: The invention comprises synergistic compositions of at least two metal carboxylates as corrosion inhibitors based on polycarboxylate anions and a variety of different cations. The inhibitors are designed to be added to film forming or other compositions to reduce the corrosion of the metal substrate on which the synergistic compositions are applied.
    Type: Application
    Filed: March 6, 2019
    Publication date: September 10, 2020
    Applicant: United States of America as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, Frank Pepe, Michael Brindza, Joshua Walles
  • Patent number: 10662338
    Abstract: Composition and process for preparing corrosion-resistant passive coatings on bulk-aluminum alloys and aluminum powder-pigments; said coatings derived from an acidic aqueous composition consisting essentially of potassium hexafluorozirconate, basic chromium sulfate and potassium tetrafluoroborate.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: May 26, 2020
    Assignee: The United States of America as represented by the secretary of the Navy
    Inventors: Craig Matzdorf, Joshua Walles, Kaitlyn Thompson
  • Publication number: 20200148893
    Abstract: The invention comprises synergistic compositions of at least one metal polycarboxylate and lithium phosphate. The synergistic compositions are designed to be added to film-forming or other compositions to reduce the corrosion of various metal surfaces or substrates on which the synergistic compositions are applied.
    Type: Application
    Filed: November 8, 2018
    Publication date: May 14, 2020
    Applicant: United States of America as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, Frank Pepe, Michael Brindza
  • Publication number: 20200079963
    Abstract: Composition and process for preparing corrosion-resistant passive coatings on bulk-aluminum alloys and aluminum powder-pigments; said coatings derived from an acidic aqueous composition consisting essentially of potassium hexafluorozirconate, basic chromium sulfate and potassium tetrafluoroborate.
    Type: Application
    Filed: September 6, 2018
    Publication date: March 12, 2020
    Applicant: United States of America as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, Joshua Walles, Kaitlyn Thompson
  • Publication number: 20190309395
    Abstract: An aluminum anode alloy consisting essentially of an aluminum base and effective amounts of tin and indium. The aluminum alloy is useful particularly as a sacrificial metallic coating, as a protective aluminum anode, and as pigment in polymeric and other organic coatings.
    Type: Application
    Filed: June 18, 2019
    Publication date: October 10, 2019
    Applicant: United States of America as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, Alan Grieve
  • Patent number: 10351715
    Abstract: The invention comprises synergistic compositions of at least two metal carboxylates as corrosion inhibitors based on polycarboxylate anions and a variety of different cations. The inhibitors are designed to be added to film forming or other compositions to reduce the corrosion of the metal substrate on which the synergistic compositions are applied.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: July 16, 2019
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, Frank Pepe, Michael Brindza, Joshua Walles
  • Publication number: 20190078179
    Abstract: The aluminum anode alloy consists essentially of an aluminum base and effective amounts of tin and indium. The aluminum alloy is useful as a sacrificial metallic coating, as a protective aluminum anode, and as a pigment in polymeric coatings.
    Type: Application
    Filed: September 14, 2017
    Publication date: March 14, 2019
    Applicant: United States of America as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, Alan Grieve
  • Patent number: 10174206
    Abstract: This invention relates to sacrificial-metal pigments coated with an effective amount of at least one metal oxide or a combination of metal oxides such as a mixture of chromium and zirconium oxides, and the process for preparing said coated pigments and combination thereof with film-forming binders for coating metal substrates to inhibit corrosion. The coated sacrificial-metal pigments are electrically active to prevent corrosion of metal substrates that are more cathodic (electropositive) than the metal oxide coated metal pigments.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: January 8, 2019
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, William Nickerson
  • Publication number: 20180282555
    Abstract: The invention comprises synergistic compositions of at least two metal carboxylates as corrosion inhibitors based on polycarboxylate anions and a variety of different cations. The inhibitors are designed to be added to film forming or other compositions to reduce the corrosion of the metal substrate on which the synergistic compositions are applied.
    Type: Application
    Filed: March 30, 2017
    Publication date: October 4, 2018
    Applicant: United States of America as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, Frank Pepe, Michael Brindza, Joshua Walles
  • Patent number: 9534120
    Abstract: This invention relates to galvanic aluminum alloy powder-pigments coated with semi-conducting corrosion-inhibiting compositions and particularly to the process for preparing said coated powder-pigments for coating substrates to inhibit corrosion. The coated aluminum alloy powder-pigments are electrically active and prevent corrosion of metals which are more cathodic (electropositive) than the coated-aluminum alloy pigments.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: January 3, 2017
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, William Nickerson
  • Publication number: 20160108252
    Abstract: This invention relates to sacrificial-metal pigments coated with an effective amount of at least one metal oxide or a combination of metal oxides such as a mixture of chromium and zirconium oxides, and the process for preparing said coated pigments and combination thereof with film-forming binders for coating metal substrates to inhibit corrosion. The coated sacrificial-metal pigments are electrically active to prevent corrosion of metal substrates that are more cathodic (electropositive) than the metal oxide coated metal pigments.
    Type: Application
    Filed: November 24, 2015
    Publication date: April 21, 2016
    Applicant: United States of America as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, William Nickerson
  • Publication number: 20160102209
    Abstract: This invention relates to galvanic aluminum alloy powder-pigments coated with semi-conducting corrosion-inhibiting compositions and particularly to the process for preparing said coated powder-pigments for coating substrates to inhibit corrosion. The coated aluminum alloy powder-pigments are electrically active and prevent corrosion of metals which are more cathodic (electropositive) than the coated-aluminum alloy pigments.
    Type: Application
    Filed: December 16, 2015
    Publication date: April 14, 2016
    Applicant: United States of America as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, William Nickerson
  • Patent number: 9243333
    Abstract: This invention relates to galvanic aluminum alloy powder-pigments coated with semi-conducting corrosion inhibiting compositions and to the process for preparing said coated powder-pigments for coating metal substrates to inhibit corrosion. The coated aluminum alloy powder-pigments are electrically active and prevent corrosion of metals which are more cathodic (electropositive) than the coated aluminum alloy pigments.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: January 26, 2016
    Assignee: The United States of America, as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, William Nickerson
  • Patent number: 9243150
    Abstract: This invention relates to sacrificial-metal pigments coated with an effective amount of at least one metal oxide or a combination of metal oxides such as a chromium-zirconium oxide, and the process for preparing said coated pigments and combination thereof with film-forming binders for coating metal substrates to inhibit corrosion. The coated sacrificial-metal pigments are electrically active to prevent corrosion of metal substrates that are more cathodic (electropositive) than the metal oxide coated metal pigments.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: January 26, 2016
    Assignee: The United States of America As Represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, William Nickerson