Patents by Inventor John K. Ruckman

John K. Ruckman 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).

  • Crane extension system
    Patent number: 6276488
    Abstract: A crane extension system is provided for use with a crane having a boom, the improvement having a mounting platform assembly and a mounting basket, with the mounting basket secured to the mounting bracket assembly. The mounting platform assembly is secured to the crane, and includes a mounting plate attached to the crane and a mounting platform, with the mounting platform being attached to the mounting plate and having a mounting platform plate, a mounting bracket, and an adjustable bracket portion for adjusting the position of a mounting basket. Additionally, the mounting platform has a mounting platform base, with the mounting platform base secured to the mounting platform plate. The adjustable bracket portion is also secured to the mounting platform base.
    Type: Grant
    Filed: March 31, 1999
    Date of Patent: August 21, 2001
    Assignee: T & M Associates
    Inventors: Thomas C. Divine, John K. Ruckman