Patents by Inventor Robert Grenfell Adams

Robert Grenfell Adams 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).

  • Metered delivery of explosives
    Patent number: 5811711
    Abstract: The present invention is directed to a metered delivery of explosives to boreholes in mining, quarrying, and/or construction operations. The explosives may be ANFO, emulsions, bulk explosives, packaged explosives, blends thereof, and combinations thereof.
    Type: Grant
    Filed: October 23, 1996
    Date of Patent: September 22, 1998
    Assignee: ICI Canada Inc.
    Inventors: Dennis Adelard Tremblay, Robert Grenfell Adams