Patents by Inventor Scott A. Frank

Scott A. Frank 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).

  • Herringbone gear teeth and method for manufacturing same
    Patent number: 6912786
    Abstract: A method of manufacturing herringbone gears starting with non-hardened cylindrical stock material, establishing a relief notch for each tooth in the cylindrical stock where the two helices meet, roughing the double helical teeth, and case-hardening the gear teeth. The teeth are then finished using high accuracy Cubic Borzon Nitride (CBN)-faced cutters with the relief notch allowing run-out of the cutters.
    Type: Grant
    Filed: August 8, 2003
    Date of Patent: July 5, 2005
    Assignee: Lufkin Industries, Inc.
    Inventors: David L. Jinkins, Kenneth O. Beckman, Scott A. Franks, Arthur L. Nelson
  • Herringbone gear teeth and method for manufacturing same
    Publication number: 20040031152
    Abstract: A method of manufacturing herringbone gears starting with non-hardened cylindrical stock material, establishing a relief notch for each tooth in the cylindrical stock where the two helices meet, roughing the double helical teeth, and case-hardening the gear teeth. The teeth are then finished using high accuracy Cubic Borzon Nitride (CBN)-faced cutters with the relief notch allowing run-out of the cutters.
    Type: Application
    Filed: August 8, 2003
    Publication date: February 19, 2004
    Inventors: David L. Jinkins, Kenneth O. Beckman, Scott A. Franks, Artrhur L. Nelson
  • Preparation of 3,4,4-trisubstituted-piperidinyl-N-alkylcarboxylates and intermediates
    Patent number: 5434171
    Abstract: This invention relates to a process for preparing certain 3,4,4-trisubstituted-piperidinyl-N-alkylcarboxylates, intermediates, and congeners. Finally, the invention provides new 3,4,4-trisubstituted-piperidinyl-N-alkylcarboxylates with formulations and methods for using the compounds.
    Type: Grant
    Filed: December 8, 1993
    Date of Patent: July 18, 1995
    Assignee: Eli Lilly and Company
    Inventors: Scott A. Frank, Douglas E. Prather, Jeffrey A. Ward, John A. Werner