Patents by Inventor Steven Kirkham

Steven Kirkham 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: 20170175230
    Abstract: A method of making from a rolled aluminium alloy sheet a product for outdoor use in the building industry, wherein the aluminium alloy has the following composition, in wt. %: Si 0.6 to 1.6, Mg 0.10 to 0.50, Mn 0.6 to 1.6, Cu 0.10 to 0.6, Fe 0.05 to 0.7, Ti 0.05 to 0.20, Zn up to 0.4, others and unavoidable impurities, each 0.05% max, total 0.25%, balance aluminium. Furthermore, the use of the sheet product for outdoor use in the building industry is disclosed.
    Type: Application
    Filed: June 12, 2015
    Publication date: June 22, 2017
    Inventors: Steven KIRKHAM, Bernd JACOBY
  • Patent number: 9486881
    Abstract: An aluminum alloy sheet product or extruded product for fluxless brazing, including an aluminum alloy core having on at least one face an aluminum filler clad layer containing 4% to 15% of Si, the filler clad layer having an inner-surface and an outer-surface, the inner-surface is facing the aluminum alloy core and the outer-surface is facing a coating layer of 2 to 45 mg/sq·m of Bi or of a Bi-based alloy. Furthermore, a method of brazing a brazed assembly incorporating at least one member made from the brazing sheet material.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: November 8, 2016
    Assignee: ALERIS ROLLED PRODUCTS GERMANY GMBH
    Inventors: Adrianus Jacobus Wittebrood, Steven Kirkham, Achim Bürger, Klaus Vieregge
  • Patent number: 9377249
    Abstract: A fin stock material from an 3xxx-series aluminum alloy and including at least 0.5% to 2.0% Mn, and furthermore a purposive addition of one or more wetting elements selected from the group of: Bi 0.03% to 0.5%, Pb 0.03% to 0.5%, Sb 0.03% to 0.5%, Li 0.03% to 0.5%, Se 0.03% to 0.5%, Y 0.03% to 0.05%, Th 0.03% to 0.05%, and the sum of these elements being 0.5% or less, with the remainder including aluminum and tolerable impurities. Also provided is a method for manufacturing a heat exchanger assembly incorporating such a fin stock material.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: June 28, 2016
    Assignee: ALERIS ROLLED PRODUCTS GERMANY GMBH
    Inventors: Adrianus Jacobus Wittebrood, Steven Kirkham, Achim Burger, Klaus Vieregge
  • Patent number: 9216467
    Abstract: An aluminum alloy extruded tube product for a heat exchanger assembly and made from an 1xxx-series aluminum alloys and including furthermore a purposive addition of one or more wetting elements selected from the group of: Bi 0.03% to 0.5%, Pb 0.03% to 0.5%, Sb 0.03% to 0.5%, Li 0.03% to 0.5%, Se 0.03% to 0.5%, Y 0.03% to 0.05%, Th 0.03% to 0.05%, and the sum of these elements being 0.5% or less.
    Type: Grant
    Filed: April 3, 2012
    Date of Patent: December 22, 2015
    Assignee: ALERIS ROLLED PRODUCTS GERMANY GMBH
    Inventors: Adrianus Jacobus Wittebrood, Steven Kirkham, Achim Bürger, Klaus Vieregge
  • Patent number: 9180537
    Abstract: An aluminum alloy extruded tube product for a heat exchanger assembly and made from a 3xxx-series aluminum alloys and including furthermore a purposive addition of one or more wetting elements selected from the group of: Bi 0.03% to 0.5%, Pb 0.03% to 0.5%, Sb 0.03% to 0.5%, Li 0.03% to 0.5%, Se 0.03% to 0.5%, Y 0.03% to 0.05%, Th 0.03% to 0.05%, and the sum of these elements being 0.5% or less.
    Type: Grant
    Filed: April 3, 2012
    Date of Patent: November 10, 2015
    Assignee: ALERIS ROLLED PRODUCTS GERMANY GMBH
    Inventors: Adrianus Jacobus Wittebrood, Steven Kirkham, Achim Bürger, Klaus Vieregge
  • Publication number: 20150267969
    Abstract: A fin stock material from an 3xxx-series aluminium alloy and including at least 0.5% to 2.0% Mn, and furthermore a purposive addition of one or more wetting elements selected from the group of: Bi 0.03% to 0.5%, Pb 0.03% to 0.5%, Sb 0.03% to 0.5%, Li 0.03% to 0.5%, Se 0.03% to 0.5%, Y 0.03% to 0.05%, Th 0.03% to 0.05%, and the sum of these elements being 0.5% or less, with the remainder including aluminium and tolerable impurities. Also provided is a method for manufacturing a heat exchanger assembly incorporating such a fin stock material.
    Type: Application
    Filed: June 8, 2015
    Publication date: September 24, 2015
    Inventors: Adrianus Jacobus WITTEBROOD, Steven KIRKHAM, Achim BURGER, Klaus VIEREGGE
  • Publication number: 20140246483
    Abstract: An aluminium alloy sheet product or extruded product for fluxless brazing, including an aluminium alloy core having on at least one face an aluminium filler clad layer containing 4% to 15% of Si, the filler clad layer having an inner-surface and an outer-surface, the inner-surface is facing the aluminium alloy core and the outer-surface is facing a coating layer of 2 to 45 mg/sq.m of Bi or of a Bi-based alloy. Furthermore, a method of brazing a brazed assembly incorporating at least one member made from the brazing sheet material.
    Type: Application
    Filed: November 9, 2012
    Publication date: September 4, 2014
    Applicant: ALERIS ROLLED PRODUCTS GERMANY GMBH
    Inventors: Adrianus Jacobus Wittebrood, Steven Kirkham, Achim Bürger, Klaus Vieregge
  • Publication number: 20140061286
    Abstract: An aluminium alloy extruded tube product for a heat exchanger assembly and made from a 3xxx-series aluminium alloys and including furthermore a purposive addition of one or more wetting elements selected from the group of: Bi 0.03% to 0.5%, Pb 0.03% to 0.5%, Sb 0.03% to 0.5%, Li 0.03% to 0.5%, Se 0.03% to 0.5%, Y 0.03% to 0.05%, Th 0.03% to 0.05%, and the sum of these elements being 0.5% or less.
    Type: Application
    Filed: April 3, 2012
    Publication date: March 6, 2014
    Applicant: ALERIS ROLLED PRODUCTS GERMANY GMBH
    Inventors: Adrianus Jacobus Wittenbrood, Steven Kirkham, Achim Bürger, Klaus Vieregge
  • Publication number: 20140054019
    Abstract: An aluminium alloy extruded tube product for a heat exchanger assembly and made from an 1xxx-series aluminium alloys and including furthermore a purposive addition of one or more wetting elements selected from the group of: Bi 0.03% to 0.5%, Pb 0.03% to 0.5%, Sb 0.03% to 0.5%, Li 0.03% to 0.5%, Se 0.03% to 0.5%, Y 0.03% to 0.05%, Th 0.03% to 0.05%, and the sum of these elements being 0.5% or less.
    Type: Application
    Filed: April 3, 2012
    Publication date: February 27, 2014
    Applicant: ALERIS ROLLED PRODUCTS GERMANY GMBH
    Inventors: Adrianus Jacobus Wittebrood, Steven Kirkham, Achim Bürger, Klaus Vieregge
  • Publication number: 20140034713
    Abstract: A fin stock material from an 3xxx-series aluminium alloy and including at least 0.5% to 2.0% Mn, and furthermore a purposive addition of one or more wetting elements selected from the group of: Bi 0.03% to 0.5%, Pb 0.03% to 0.5%, Sb 0.03% to 0.5%, Li 0.03% to 0.5%, Se 0.03% to 0.5%, Y 0.03% to 0.05%, Th 0.03% to 0.05%, and the sum of these elements being 0.5% or less, with the remainder including aluminium and tolerable impurities. Also provided is a method for manufacturing a heat exchanger assembly incorporating such a fin stock material.
    Type: Application
    Filed: March 13, 2012
    Publication date: February 6, 2014
    Applicant: ALERIS ROLLED PRODUCTS GERMANY GMBH
    Inventors: Adrianus Jacobus Wittebrood, Steven Kirkham, Achim Burger, Klaus Vieregge