Patents by Inventor Tod McMullen

Tod McMullen 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: 4561395
    Abstract: An auxiliary or secondary filtration system for diverting and filtering a portion of the normal oil flow of an engine comprising a secondary filter unit having an inlet for receiving the diverted portion of the oil flow and an outlet for returning filtered oil to the engine. The outlet is connected to an existing access to the engine crankcase, such as the oil dipstick tube or the oil inlet for adding oil to the engine.
    Type: Grant
    Filed: June 25, 1984
    Date of Patent: December 31, 1985
    Inventor: Tod McMullen