Patents by Inventor Thomas A. Michelhaugh

Thomas A. Michelhaugh 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).

  • Gear isolation shroud for transmission
    Patent number: 6374951
    Abstract: An improved splash-type lubrication system (100) for a change-gear transmission (102). A closely fitting gear shroud (104) is provided with upper openings (106, 108, 110) allowing the countershaft and main shaft gears to mesh and directs splashed lubricant (112) toward needle bearings (44) supporting main shaft gears (38, 40) on the main shaft (16).
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: April 23, 2002
    Assignee: Eaton Corporation
    Inventors: Thomas A. Michelhaugh, John C. Bierlein