Patents by Inventor Willem Velthuizen

Willem Velthuizen 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).

  • Solder sleeve and a method for the forming thereof
    Patent number: 6193131
    Abstract: The invention relates to a solder sleeve comprising a split sleeve of solder material having end surfaces of which take the form of form-fitting coupling elements, and to a method for forming such a solder sleeve, comprising of: i) providing a strip of solder material having end surfaces of which take the form of form-fitting coupling elements; and ii) bending the strip to form a sleeve, wherein the coupling elements mutually engage for coupling.
    Type: Grant
    Filed: July 30, 1998
    Date of Patent: February 27, 2001
    Assignee: Witmetaal B.V.
    Inventors: Martinus Adrianus Oud, Paul Willem Godijn, Antonius Johannes Welling, Willem Velthuizen