Patents by Inventor Robert S. MacCormack

Robert S. MacCormack 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).

  • System for agitating the acid in a lead-acid battery
    Patent number: 4693947
    Abstract: A system and method for agitating the acid in a large lead-sulfuric acid storage battery of the calcium type. An air-lift is utilized to provide the agitation. The air fed to the air-lift is humidified prior to being delivered to the air-lift.
    Type: Grant
    Filed: April 21, 1986
    Date of Patent: September 15, 1987
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Alvin Weintraub, Robert S. MacCormack