Patents by Inventor Kenneth R. Ackerman

Kenneth R. Ackerman 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).

  • Forehearth concentrate and method for opalization of glass
    Patent number: 7737062
    Abstract: The invention provides an opalescent forehearth color concentrate comprising a non-smelted agglomerated interspersion of particles for use in coloring glass, said concentrate comprising by weight from about 10% to about 70% of a glass component and from about 30% to about 90% of one or more opalescent pigments, the glass component comprising by weight from about 10% to about 50% ZnO and about 15 to about 60% SiO2. The invention also provides a method of using the color concentrate.
    Type: Grant
    Filed: June 5, 2007
    Date of Patent: June 15, 2010
    Assignee: Ferro Corporation
    Inventors: George E. Sakoske, Kenneth R. Ackerman, John M. Bauer
  • Forehearth concentrate and method for opalization of glass
    Patent number: 7265069
    Abstract: The invention provides an opalescent forehearth color concentrate comprising a non-smelted agglomerated interspersion of particles for use in coloring glass, said concentrate comprising by weight from about 10% to about 70% of a glass component and from about 30% to about 90% of one or more opalescent pigments, the glass component comprising by weight from about 10% to about 50% ZnO and about 15 to about 60% SiO2. The invention also provides a method of using the color concentrate.
    Type: Grant
    Filed: August 24, 2005
    Date of Patent: September 4, 2007
    Assignee: Ferro Corporation
    Inventors: George E. Sakoske, Kenneth R. Ackerman, John M. Bauer
  • Chromium bearing forehearth color concentrate
    Patent number: 6984597
    Abstract: A forehearth color concentrate comprising a non-smelted agglomerated interspersion of particles for use in coloring, said concentrate comprising by weight from about 50% to about 95% of a glass component and from about 4% to about 50% of a binder, said glass component comprising by weight from about 15% to about 35% chromium oxide. The present invention further provides a method of using the color concentrate.
    Type: Grant
    Filed: June 24, 2003
    Date of Patent: January 10, 2006
    Assignee: Ferro Corporation
    Inventor: Kenneth R. Ackerman