Patents by Inventor Norman J. Kutz

Norman J. Kutz 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).

  • Self-propelled drive mechanism
    Patent number: 4069884
    Abstract: A self-propelled drive mechanism for a crawler crane or the like including a variable displacement pump and one fixed and one variable displacement motor for each crawler assembly. The displacement of the variable displacement motor may be regulated to alter the combined driving torque and speed imparted by the motors to the crawler assemblies and includes automatic self-balancing feedback means for maintaining the hydraulic pressure within predetermined limits.
    Type: Grant
    Filed: May 12, 1976
    Date of Patent: January 24, 1978
    Assignee: The Manitowoc Company, Inc.
    Inventors: James G. Morrow, Sr., David J. Pech, Norman J. Kutz
  • Demountable self-propelled crane transport assembly
    Patent number: 4000784
    Abstract: A load handling crane is disclosed having a demountable self-propelled transport assembly including a central car body portion and detachable transverse beams, side beams, crawler assemblies and power source. Hydraulic jacks and push cylinders are mounted on the beams to facilitate detaching the components of the assembly. The power source includes an internal combustion engine and a pair of hydraulic pumps.
    Type: Grant
    Filed: April 24, 1975
    Date of Patent: January 4, 1977
    Assignee: The Manitowoc Company, Inc.
    Inventors: James G. Morrow, Sr., David J. Pech, Norman J. Kutz