Patents by Inventor Eric G. Johnston

Eric G. Johnston 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).

  • Apparatus and method for making a golf ball
    Publication number: 20030176239
    Abstract: An apparatus for making a golf ball is disclosed. The apparatus is a molding assembly for making a golf ball which includes a mold body that defines a molding cavity. The molding cavity is adapted to accommodate and preferably retain a golf ball core during a molding operation of one or more layers about the core. The molding assembly includes at least one material flow inlet, at least one material flow channel extending between and providing fluid communication with a material flow inlet and the molding cavity. At least one portion of the material flow channel has a plurality of bends and at least one branching intersection adapted to promote turbulence in a liquid flowing therethrough. A method of making a golf ball is also disclosed. A golf ball made from the disclosed molding apparatus and/or process is also disclosed.
    Type: Application
    Filed: March 17, 2003
    Publication date: September 18, 2003
    Applicant: Spalding Sports Worldwide, Inc.
    Inventors: Michael John Tzivanis, Eric G. Johnston, Mario Jarmuzewski, Gary P. Mendrala, Thomas J. Kennedy, Viktor Keller
  • Apparatus for making a golf ball
    Patent number: 6533566
    Abstract: An apparatus for making a golf ball is disclosed. The apparatus is a molding assembly for making a golf ball which includes a mold body that defines a molding cavity. The molding cavity is adapted to accommodate and preferably retain a golf ball core during a molding operation of one or more layers about the core. The molding assembly includes at least one material flow inlet, at least one material flow channel extending between and providing fluid communication with a material flow inlet and the molding cavity. At least one portion of the material flow channel has a plurality of bends and at least one branching intersection adapted to promote turbulence in a liquid flowing therethrough. A method of making a golf ball is also disclosed. A golf ball made from the disclosed molding apparatus and/or process is also disclosed.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: March 18, 2003
    Assignee: Spalding Sports Worldwide, Inc.
    Inventors: Michael John Tzivanis, Eric G. Johnston, Mario Jarmuzewski, Gary P. Mendrala, Thomas J. Kennedy, III, Viktor Keller
  • Apparatus and method for making a golf ball
    Publication number: 20010012805
    Abstract: An apparatus for making a golf ball is disclosed. The apparatus is a molding assembly for making a golf ball which includes a mold body that defines a molding cavity. The molding cavity is adapted to accommodate and preferably retain a golf ball core during a molding operation of one or more layers about the core. The molding assembly includes at least one material flow inlet, at least one material flow channel extending between and providing fluid communication with a material flow inlet and the molding cavity. At least one portion of the material flow channel has a plurality of bends and at least one branching intersection adapted to promote turbulence in a liquid flowing therethrough. A method of making a golf ball is also disclosed. A golf ball made from the disclosed molding apparatus and/or process is also disclosed.
    Type: Application
    Filed: March 20, 2001
    Publication date: August 9, 2001
    Applicant: SPALDING SPORTS WORLDWIDE, INC.
    Inventors: Michael John Tzivanis, Eric G. Johnston, Mario Jarmuzewski, Gary P. Mendrala, Thomas J. Kennedy, Viktor Keller