Patents by Inventor Leonard E. McKeary

Leonard E. McKeary 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).

  • Chemical injection system and method
    Patent number: 6779548
    Abstract: The invention relates to a method and a system for automatically injecting chemicals into a pressurized system.
    Type: Grant
    Filed: November 6, 2002
    Date of Patent: August 24, 2004
    Assignee: Cody Liners Ltd.
    Inventor: Leonard E. McKeary
  • Chemical injection system and method
    Publication number: 20030118488
    Abstract: The invention relates to a method and a system for automatically injecting chemicals into a pressurized system.
    Type: Application
    Filed: November 6, 2002
    Publication date: June 26, 2003
    Inventor: Leonard E. McKeary