Patents by Inventor Carl W. Ferree

Carl W. Ferree 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).

  • Pre-combustion chamber assembly and method
    Patent number: 6016785
    Abstract: A pre-combustion chamber assembly and method for an internal combustion engine consists of first, second and third body portions of different metallic materials. A second end of the first body portion is joined to the first end of the second body portion by brazing and the first end of the third body portion is joined to the second end of the second body portion by controlled depth penetration welding. The first, second and third body portions are pre-machined. The first and second body portions are connected to form a first subassembly and the third body portion is subsequently connected to the first subassembly.
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: January 25, 2000
    Assignee: Caterpillar Inc.
    Inventors: Devang D. Divecha, Ronald T. Taylor, Carl W. Ferree