Patents by Inventor Tadd M. McBride

Tadd M. McBride 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).

  • Composite seals, seal structures and related methods
    Patent number: 7604243
    Abstract: According to one embodiment, a composite seal may include a first, substantially annular seal element having an upper body portion, a neck portion, and an axial protrusion. The upper body portion includes opposing inclined surfaces extending toward the neck portion defining a first angle. The axial protrusion includes opposing inclined surfaces extending toward an axial end of the axial protrusion defining a second angle, wherein the first angle and the second angle are substantially similar. The composite seal may further include a second, substantially annular seal element having a mouth portion, a neck portion and a recess portion, wherein the axial protrusion is configured to be complementarily engaged with the recess portion in an interlocking manner.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: October 20, 2009
    Assignee: Macrotech Polyseal, Inc.
    Inventors: Daniel K. Zitting, Tadd M. McBride, A. Todd Hagen