Patents by Inventor Robert Coolidge

Robert Coolidge 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).

  • Patent number: 12618496
    Abstract: A bonding and sealing system for coupling a joint of a circular tube to be utilized in the manufacturing of an automatic balancer is disclosed. The system includes a circular tube having a joint and a fluid; and a predetermined amount of Belzona 5815®; wherein the predetermined amount of Belzona 5815® bonds and seals the joint, thereby securing the fluid within the circular tube; wherein the application of Belzona 5815® over the joint forms a balancing ring to be used to create an automatic balancer.
    Type: Grant
    Filed: May 31, 2024
    Date of Patent: May 5, 2026
    Inventor: Robert Coolidge