Patents by Inventor James A. Bice

James A. Bice 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).

  • Automatic gas detector for arc welder
    Patent number: 4767913
    Abstract: An automatic gas detector is provided for a welding machine. The automatic gas detector is safe, efficient and effective and particularly useful in oil refineries and petrochemical plants. The automatic gas detector includes a gas monitor for detecting combustible gases, a circuit interrupter connected in a power supply circuit between a power source and the welding machine, and a circuit connected to the gas monitor and the circuit interrupter to de-energize the power source when the gas monitor senses a dangerous level of combustible gas.
    Type: Grant
    Filed: May 15, 1986
    Date of Patent: August 30, 1988
    Assignee: Amoco Corporation
    Inventors: Bruce W. Weber, Caroll E. Gustafson, James A. Bice