Patents by Inventor Herbert L. Black

Herbert L. Black 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).

  • Powder metallurgy
    Patent number: 4227927
    Abstract: A powder metallurgy consolidation process in which the unconsolidated metal powder is placed in a sealable mold; the mold is evacuated and sealed; the mold is placed in an open top container larger than the mold; the space between the mold and container is filled with a free flowing refractory powder, preferably minus twenty mesh powder graphite; and the sealed mold and its contents are heated in the container to metal sintering temperatures without special atmospheres.
    Type: Grant
    Filed: April 5, 1978
    Date of Patent: October 14, 1980
    Assignee: Cyclops Corporation, Universal-Cyclops Specialty Steel Division
    Inventors: Herbert L. Black, Mark Somerville, Jerome Schwertz