Patents by Inventor Joe Maciel

Joe Maciel 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).

  • ESD ground monitor for electrostatic safe work tables
    Patent number: 5969626
    Abstract: A device and method for monitoring the integrity of a ground connection between an electrostatic apparatus and earth ground. The device and method provide for continuous monitoring of the connection. The device includes an audible and visual alarm if there is a fault in the grounding connection. It also provides an audible and visual alarm if a DC power supply falls below a specified value. A switch is provided for testing the circuit manually to ensure its proper operation.
    Type: Grant
    Filed: October 8, 1997
    Date of Patent: October 19, 1999
    Assignee: Altera Corporation
    Inventor: Joe Maciel