Patents by Inventor Edward H. Klein Nagelvoort

Edward H. Klein Nagelvoort 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).

  • Aluminium-strontium master alloy
    Patent number: 5045110
    Abstract: A process is described for the preparation of an aluminium-strontium master alloy suitable for use as structure refiner during the solidification of molten aluminium-silicon alloys, comprising atomizing a molten alloy containing 3 to 30% by weight of strontium, the balance being aluminium, quick cooling of the atomized droplets to obtain solid particles and consolidation of the obtained solid particles.
    Type: Grant
    Filed: May 21, 1990
    Date of Patent: September 3, 1991
    Assignee: Shell Research Limited
    Inventors: Mattheus Vader, Jan Noordegraaf, Edward H. Klein Nagelvoort, Jan P. Mulder