Patents by Inventor Eric J. Browning

Eric J. Browning 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).

  • Rotary cutting head for mining machines with means for inducing airflow and sensing thereof
    Patent number: 4465318
    Abstract: A rotary cutter head for a coal mining machine comprises sensor means for sensing a preselected state, as for example, the methane concentration in the vicinity of the cutter head and for deriving a signal indicative of the sensed preselected state.
    Type: Grant
    Filed: September 15, 1982
    Date of Patent: August 14, 1984
    Assignee: Coal Industry (Patents) Limited
    Inventors: Winsor T. Lewis, Eric J. Browning