Patents by Inventor Angela I. Tan

Angela I. Tan 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).

  • Method and apparatus of controlling the actuation of a compression brake
    Patent number: 6470851
    Abstract: A method and apparatus for controlling the speed of an engine having a plurality of cylinders and a compression brake operable on one or more of the cylinders is disclosed. The method includes determining a speed of the engine, comparing the engine speed to a first threshold, and activating the compression brake for at least one of the cylinders in response to the engine speed exceeding the first threshold.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: October 29, 2002
    Assignee: Caterpillar Inc
    Inventors: Jeffrey L. DeGroot, Hans P. Dietz, Thomas A. McCauley, Angela I. Tan