Patents by Inventor Robert E. Dieffenbach

Robert E. Dieffenbach 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).

  • Fuel injector having dual mode capabilities and engine using same
    Patent number: RE44082
    Abstract: A solitary fuel injector for a diesel engine that is capable of injecting fuel for a homogeneous charge compression ignition injection event, a conventional injection event. The solitary fuel injector also has a mixed mode that includes a homogeneous charge compression ignition injection and a conventional injection in a single compression stroke for the engine.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: March 19, 2013
    Assignee: Caterpillar Inc.
    Inventors: Scott F. Shafer, Clifford E. Cotton, III, Ye Tian, Richard H. Holtman, Joseph Angelino, Robert E. Dieffenbach