Patents by Inventor Donald C. Harlander

Donald C. Harlander 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).

  • Heavy transport bolster construction
    Patent number: 4611817
    Abstract: A very heavy transport vehicle for off-road use has a rear axle rigidly connected to the transport frame and a front axle articulated to the transport frame not only for steering swivel motion but also for transverse relative displacement by means of dihedrally inclined planar bearing pads and planar bearing plates, the plates being mounted for limited universal movement with respect to the axle to maintain substantial stability even in rough terrain and even despite substantial lateral wind loads on high and long vehicle bodies.
    Type: Grant
    Filed: February 28, 1983
    Date of Patent: September 16, 1986
    Assignee: McKay International Engineers
    Inventors: Kenneth F. Dewing, Donald C. Harlander, Ralph O. Hughes
  • Steerable, track-type vehicle for bulky loads
    Patent number: 4579182
    Abstract: A steerable, track-type vehicle has a body at opposite ends resting on pairs of axles, each axle pair being interconnected by bolsters and bolster frames joined through rotatable joints to track frames equipped with ground-engaging grousers. There is steering mechanism for turning the tracks about the rotatable joints, and preferably there are driving wheels engaging and propelling the grousers.
    Type: Grant
    Filed: February 28, 1983
    Date of Patent: April 1, 1986
    Assignee: McKay International Engineers
    Inventors: Kenneth F. Dewing, Donald C. Harlander, Ralph O. Hughes
  • Multi-directional crane truck
    Patent number: 4188887
    Abstract: A crane mover is arranged to transfer a crane, such as a dockside crane, around a curve from one straight track to another straight track. The mover runs on rails and carries synchronized jacks engageable with lift pads on the crane. The mover also carries lips on the jack stems to engage and restrict excess rocking movement of the crane wheel equalizers. All of the mover actions and motion are preferably controlled from an operator station on the crane mover.
    Type: Grant
    Filed: March 31, 1978
    Date of Patent: February 19, 1980
    Assignee: McKay International Engineers
    Inventors: Kenneth F. Dewing, Donald C. Harlander, Ralph O. Hughes