Patents by Inventor Mark J. Jeffery

Mark J. Jeffery 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).

  • Patent number: 5297054
    Abstract: An automated generative gear design process, which designs parallel axis gearsets to meet constraints and performance goals. The process uses state space searches, generate and test, and other knowledge based techniques to automatically generate gearset designs and recommend cutting and inspection tools. Specific knowledge applied includes standard gear and gearset equations and conditions for use, standard and specially developed gearset design methodologies, models of generic gears and gearsets, the specific limitations of geometry of various gears and gearsets, the ability to evaluate designs based on performance relative to goals, characteristics of available cutting and inspection tools, lubricants, and materials.
    Type: Grant
    Filed: April 3, 1992
    Date of Patent: March 22, 1994
    Assignee: General Motors Corporation
    Inventors: Kent H. Kienzle, Mark J. Jeffery, Trent R. Jaeger, Karon A. Barber