Patents by Inventor John R. Wojdyla

John R. Wojdyla 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).

  • Crankshaft for internal combustion engine
    Patent number: 5138991
    Abstract: A crankshaft for an internal combustion engine includes main bearing journals and connecting rod journals, with the connecting rod journals being disposed between successive main bearing journals. A transverse oil passage extends linearly into each connecting rod journal from an adjoining main bearing journal, with each oil passage running from the surface of a main bearing journal to an oil reservoir formed in the connecting rod journal.
    Type: Grant
    Filed: December 23, 1991
    Date of Patent: August 18, 1992
    Assignee: Ford Motor Company
    Inventor: John R. Wojdyla