Patents by Inventor Richard J. Siddall

Richard J. Siddall 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).

  • Atomization into a chamber held at reduced pressure
    Patent number: 4233062
    Abstract: Gas content of atomized metal powder can be reduced by conducting the atomization process at subatmospheric pressure and maintaining evacuation during atomization process.
    Type: Grant
    Filed: August 9, 1978
    Date of Patent: November 11, 1980
    Assignee: Huntington Alloys Inc.
    Inventor: Richard J. Siddall