Patents by Inventor Phillip J. Quenzi

Phillip J. Quenzi 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).

  • Concrete slab joint stabilizer
    Patent number: 10501895
    Abstract: A concrete slab joint stabilizer including an expandable housing including a cylinder defining a slit running along its longitudinal length, the expandable housing having a housing axis extending longitudinally there through, and an expander configured to expand the expandable housing in directions perpendicular to the housing axis. The concrete slab joint stabilizer is configured to limit relative vertical displacement between two adjacent concrete slabs.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: December 10, 2019
    Assignee: Illinois Tool Works Inc.
    Inventors: Robert P. Costa, George E. Garber, D. Michael McPhee, Phillip J. Quenzi
  • CONCRETE SLAB JOINT STABILIZER
    Publication number: 20190040590
    Abstract: Various embodiments provide a concrete slab joint stabilizer including an expandable housing including a cylinder defining a slit running along its longitudinal length, the expandable housing having a housing axis extending longitudinally there through, and an expander configured to expand the expandable housing in directions perpendicular to the housing axis. The concrete slab joint stabilizer is configured to limit relative vertical displacement between two adjacent concrete slabs.
    Type: Application
    Filed: July 25, 2018
    Publication date: February 7, 2019
    Inventors: Robert P. Costa, George E. Garber, D. Michael McPhee, Phillip J. Quenzi