Patents by Inventor Peter R. Brewin

Peter R. Brewin 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).

  • Patent number: 4224260
    Abstract: The invention concerns making metal powder by atomizing and quenching a stream of molten metal. According to the invention an anti-foaming agent is included in the atomizing and/or the quenching liquid and this produces more rapid cooling of the metal particles.
    Type: Grant
    Filed: February 12, 1979
    Date of Patent: September 23, 1980
    Assignee: Powdrex Limited
    Inventors: Richard J. Dain, Peter R. Brewin