Patents by Inventor Jan D. A. Van Deijk

Jan D. A. Van Deijk 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).

  • Double link level luffing crane
    Patent number: 4606469
    Abstract: To enable the crane driver of a double link level luffing crane to adapt the height of his cab above the ground to the size of the ship to be loaded or unloaded, the drivers cab is mounted at the end of a separate cab link having a hinge connection with a carriage movable on the strut member of the crane.
    Type: Grant
    Filed: September 23, 1985
    Date of Patent: August 19, 1986
    Assignee: Frans Swarttour B. V.
    Inventor: Jan D. A. Van Deijk