Patents by Inventor Keith E. Mengel

Keith E. Mengel 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).

  • Hardfacing powders
    Patent number: 4943698
    Abstract: The occurrence of porosity in hardfacing deposits produced by plasma transferred arc welding is significantly reduced by blending a porosity reducing agent preferably aluminum and/or manganese, with the hardfacing powder.
    Type: Grant
    Filed: December 31, 1985
    Date of Patent: July 24, 1990
    Assignee: Eaton Corporation
    Inventor: Keith E. Mengel
  • Low porosity surfacing alloys
    Patent number: 4822695
    Abstract: Provided are improved nickel-based surfacing alloys containing from about 0.2% to about 5.0% by weight of either or both hafnium and niobium to the total alloy weight and iron-based surfacing alloys containing the combination of about 1.5% to about 2.5% by weight carbon in conjunction with from about 1.0% to about 2.5.% silicon whereby both types of alloys are characterized by having reduced porosity arising during the process of depositing them in a molten state by a weld surfacing process upon a nitrogen containing steel substrate.
    Type: Grant
    Filed: May 6, 1988
    Date of Patent: April 18, 1989
    Assignee: Eaton Corporation
    Inventors: Jay M. Larson, Keith E. Mengel