Patents by Inventor Johan Boezewinkel

Johan Boezewinkel 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).

  • COLD ROLLED HIGH STRENGTH LOW ALLOY STEEL
    Publication number: 20170275724
    Abstract: A high strength low alloy steel. The high strength low alloy steel strip, sheet or blank, coated with zinc or a zinc alloy, has the following composition in weight %: C: 0.03-0.07, Mn: 0.70-1.60, Si: ?0.2, Al: 0.005-0.1, Cr: ?0.1, Cu: ?0.2, N: ?0.008, P: ?0.03, S: ?0.025, O: ?0.01, Ti: 0.02-0.07, V: 0.04-0.15 Mo: ?0.03, Nb: ?0.03, Ca: ?0.05, the remainder being iron and unavoidable impurities, wherein the steel strip, sheet or blank has a yield strength Rp0,2 of at least 420 MPa.
    Type: Application
    Filed: August 24, 2015
    Publication date: September 28, 2017
    Applicant: TATA STEEL IJMUIDEN B.V.
    Inventors: Calum MCEWAN, Paul BELLINA, Jean Joseph CAMPANIELLO, Johan BOEZEWINKEL, Bernard Leo ENNIS
  • WROUGHT ALUMINIUM AA7000-SERIES ALLOY PRODUCT AND METHOD OF PRODUCING SAID PRODUCT
    Publication number: 20070204937
    Abstract: A wrought aluminium AA7000-series alloy product, including (in wt %): Zn 7.5 to 14.0, Mg 1.0 to 5.0, Cu<0.28, Fe<0.6, Si<0.5, and one or more members selected from the group of: Zr<0.30, Ti<0.30, Hf<0.30, Mn<0.80, Cr<0.40, V<0.40, and Sc<0.70, remainder: incidental elements and impurities, each <0.05, total <0.15, and balance aluminium. The product has reduced hot crack sensitivity, and improved strength and toughness properties, and has a hardness of more than 180 HB in artificially aged condition.
    Type: Application
    Filed: December 4, 2006
    Publication date: September 6, 2007
    Applicant: Aleris Koblenz Aluminum GMBH
    Inventors: Achim BUERGER, Sabine SPANGEL, Jorgen van de LANGKRUIS, Rinze BENEDICTUS, Johan BOEZEWINKEL, Sabri SENGO, Alfred HEINZ, Claus MORITZ, Andrew NORMAN, Sunil KHOSLA
  • Wrought aluminium AA7000-series alloy product and method of producing said product
    Publication number: 20070151636
    Abstract: A wrought aluminium AA7000-series alloy product, including (in wt %): Zn 7.5 to 14.0, Mg 1.0 to 5.0, Cu<0.28, Fe<0.30, Si<0.25, and one or more members selected from the group of: Zr<0.30, Ti<0.30, Hf<0.30, Mn<0.80, Cr<0.40, V<0.40, and Sc<0.70, remainder: incidental elements and impurities, each <0.05, total <0.15, and balance aluminium. The product having reduced hot crack sensitivity, and improved strength and toughness properties, and when in artificially aged condition having a hardness of more than 180 HB.
    Type: Application
    Filed: July 5, 2006
    Publication date: July 5, 2007
    Applicant: Corus Aluminium Walzprodukte GmbH
    Inventors: Achim Buerger, Sabine Spangel, Jorgen Van De Langkruis, Paola Morra, Rinze Benedictus, Johan Boezewinkel, Sabri Sengo, Alfred Heinz, Claus Mortiz, Andrew Norman, Sunil Khosla
  • Al-Cu-Mg ALLOY SUITABLE FOR AEROSPACE APPLICATION
    Publication number: 20070151637
    Abstract: An aluminium alloy wrought product having high strength and high fracture toughness and high resistance to intergranular corrosion. The alloy including in weight %: Cu 4.1-5.5%; Mg 0.30-1.6%; Mn 0.15-0.8%; Ti 0.03-0.4%; Cr 0.05-0.4%; Ag<0.7%; Zr<0.2%; Fe<0.20%, preferably <0.15%, more preferably <0.1%; Si<0.20%, preferably <0.15%, more preferably <0.1%; and the balance being aluminium and other impurities or incidental elements each <0.05%, total <0.15%.
    Type: Application
    Filed: October 23, 2006
    Publication date: July 5, 2007
    Applicant: ALERIS ALUMINUM KOBLENZ GMBH
    Inventors: Paola Valentina MORRA, Carlos CAICEDO MARTINEZ, Jorgen LANGKRUIS, Johan BOEZEWINKEL