Patents by Inventor Lawrence Stevenson Kramer

Lawrence Stevenson Kramer 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).

  • FLUX CORED BRAZING PREFORMS
    Publication number: 20210205933
    Abstract: The invention relates to a shaped, small diameter brazing preform for brazing components to one another, the preform comprising a length of aluminium-based filler alloy wire having a continuous, uniform cavity in a centre of the preform along its length, and a brazing flux material retained within the cavity, and wherein the aluminium-based filler alloy has a composition comprising, in wt. %, Si 7-14%, Zn 0.5-%, Cu 1.0-2.0%, balance aluminium, and having a liquidus temperature in a range of 560° C. to 585° C.
    Type: Application
    Filed: May 15, 2019
    Publication date: July 8, 2021
    Applicant: Aleris Rolled Products Germany GmbH
    Inventors: Steven Kirkham, Arne SCHLEGEL, Bernd JACOBY, Lawrence Stevenson KRAMER
  • Method for producing lightweight alloy stock for impact extrusion
    Publication number: 20040025981
    Abstract: The present invention relates to a method for fabricating lightweight alloy feedstock for impact extrusion or impact forging. Specifically, the method for producing the working stock proposed in the present invention enables the production of impact-extruded components utilizing a highly alloyed starting stock. The high strength properties attained in the final impact extrusion allow part designers to utilize the economical process of impact extrusion and provide high strength impact extruded components.
    Type: Application
    Filed: August 4, 2003
    Publication date: February 12, 2004
    Inventors: William Troy Tack, Lawrence Stevenson Kramer
  • Method for producing high strength aluminum alloy welded structures
    Patent number: 6524410
    Abstract: The present invention relates to a method for fabricating lightweight alloy feedstock for welded structures. Specifically, the method for producing the tubular stock proposed in the present invention enables a bicycle manufacturer to readily weld a lightweight yet high strength bicycle frame. The properties attained in the final product allow the bicycle manufacturer to reduce the overall weight of the bicycle without sacrificing durability.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: February 25, 2003
    Assignee: Tri-Kor Alloys, LLC
    Inventors: Lawrence Stevenson Kramer, William Troy Tack