Patents by Inventor Daylen D. Borders

Daylen D. Borders 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).

  • Contaminant excluding hubcap vent plug
    Patent number: 5860708
    Abstract: A hubcap vent plug is disclosed which includes a plug body having inlet vent structure for accommodating air flow into a bearing chamber during wheel end pressurization, outlet vent structure for accommodating gaseous flow out of the bearing chamber during wheel end depressurization, a first one-way check valve operatively associated with the inlet vent structure, a second one-way check valve operatively associated with the outlet vent structure, and an annular seal member mounted on the plug body for sealingly engaging the periphery of a reception port formed the end wall of the hubcap.
    Type: Grant
    Filed: July 11, 1997
    Date of Patent: January 19, 1999
    Assignee: Stemco Inc
    Inventors: Daylen D. Borders, Paul S. Perry