Patents by Inventor Timothy J. Joyce

Timothy J. Joyce 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).

  • Stirring mechanism for viscous-material printer and method of printing
    Patent number: 6571701
    Abstract: A printer includes a dispensing head for dispensing viscous material, such as solder paste. The dispensing head defines a chamber and includes at least one source port and a dispensing slot, wherein the viscous material flows from a supply mounted to the source port, into the chamber and out the dispensing slot. Within the chamber, a stirring mechanism is mounted. The stirring mechanism is coupled to a drive mechanism that displaces the stirring mechanism through the chamber, thereby stirring the viscous material. The stirring mechanism is particularly effective in preventing or reducing compaction of solder paste within the chamber.
    Type: Grant
    Filed: May 4, 2001
    Date of Patent: June 3, 2003
    Assignee: Speedline Technologies, Inc.
    Inventors: Gerald C. Pham-Van-Diep, Patsy Anthony Mattero, Timothy J. Joyce, Eric J. Gray