Patents by Inventor Russell M. Lightcap

Russell M. Lightcap 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).

  • Variable length double telescoping drive shaft assembly
    Patent number: 6241616
    Abstract: A variable length double telescoping drive shaft assembly particularly suited for higher RPM applications (2,500 to 3,000 RPM). The assembly includes splined sliding members, namely a drive shaft and two elongated tubular members allowing for maximum telescoping with shorter minimum conditions. The assembly also includes a positive phasing and a non-pull apart features.
    Type: Grant
    Filed: May 20, 1999
    Date of Patent: June 5, 2001
    Assignee: Neapco Inc.
    Inventor: Russell M. Lightcap