Patents by Inventor Robert L. Griggs, Jr.

Robert L. Griggs, Jr. 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).

  • Fittings for joining lengths of pipe by a press-fit connection and pipe assembly formed using same
    Patent number: 10704724
    Abstract: A pipe assembly is provided, including a male fitting having an alignment tooth and at least one load tooth. The alignment tooth includes a first axial surface, a first ramped surface, a second axial surface, and a first radial surface. The load tooth includes a third axial, a second ramped surface, a fourth axial surface, and a second radial surface. The assembly includes a female fitting having an alignment cavity and at least one load cavity. The alignment cavity includes a first axial surface, a first ramped surface, a second axial surface, and a first radial surface. The load cavity includes a third axial surface, a second ramped surface, a fourth axial surface, and a second radial surface. When the male fitting is fully engaged with the female fitting, the alignment tooth fits within the alignment cavity, and the load tooth fits within the load cavity.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: July 7, 2020
    Inventor: Robert L. Griggs, Jr.