Patents by Inventor John J. Rybka

John J. Rybka 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: 4936414
    Abstract: An apparatus for maintaining and inspecting a dockside container crane includes a framework and a base for supporting thereon a rotatable turret having a telescopic boom and platform member. The base and framework is removably attachable to a standard ISO container, and once attached the ISO container may then be raised by the dockside container crane, via a standard spreader, where an inspector or workman manipulates controls on the platform member to operate the turret and telescopic boom, to position the platform member near a portion of the crane requiring inspection or service.
    Type: Grant
    Filed: March 31, 1989
    Date of Patent: June 26, 1990
    Assignee: Norpac Engineering, Inc.
    Inventor: John J. Rybka, deceased
  • 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