Patents by Inventor Robert C. Pegnam

Robert C. Pegnam 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: 4676339
    Abstract: An apparatus for maintaining and inspecting a dockside container crane which includes at least one aerial work platform unit rigidly attached to one end of an ISO container. A spreader attached to the crane is used to grasp the ISO container for permitting the crane to lift the apparatus to an operating position, where an inspector or repairman manipulates controls on a work platform to operate a turret and telescopic boom, connected between the work platform and the turret, to position the work platform for inspecting or servicing some portion of the crane.
    Type: Grant
    Filed: January 23, 1986
    Date of Patent: June 30, 1987
    Assignee: NORPAC Engineering, Inc.
    Inventors: John J. Rybka, Robert C. Pegnam