Patents by Inventor Philip G. Vais

Philip G. Vais 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).

  • Strontium master alloy composition having a reduced solidus temperature and method of manufacturing the same
    Patent number: 6139654
    Abstract: Master alloy with 20-80% strontium, preferably 0.01-2.0% of aluminum and/or copper, and the balance essentially zinc plus impurities, and a method for preparing same and a method for modifying the microstructure of nonferrous alloys with said master alloy.
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: October 31, 2000
    Assignee: KB Alloys, Inc.
    Inventors: Gary W. Boone, Philip G. Vais, Daniel B. Franklin
  • Strontium master alloy composition having a reduced solidus temperature and method of manufacturing the same
    Patent number: 6136108
    Abstract: Master alloy with 20-80% strontium, preferably 0.01-2.0% of aluminum and/or copper, and the balance essentially zinc plus impurities, and a method for preparing same and a method for modifying the microstructure of nonferrous alloys with said master alloy.
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: October 24, 2000
    Assignee: KB Alloys, Inc.
    Inventors: Gary W. Boone, Philip G. Vais, Daniel B. Franklin
  • Strontium master alloy composition having a reduced solidus temperature and method of manufacturing the same
    Patent number: 6042660
    Abstract: Master alloy with 20-80% strontium, preferably 0.01-2.0% of aluminum and/or copper, and the balance essentially zinc plus impurities, and a method for preparing same and a method for modifying the microstructure of nonferrous alloys with said master alloy.
    Type: Grant
    Filed: June 8, 1998
    Date of Patent: March 28, 2000
    Assignee: KB Alloys, Inc.
    Inventors: Gary W. Boone, Philip G. Vais, Daniel B. Franklin