Patents Assigned to WNL Concrete Products LLC
  • Lifting and jacking apparatus
    Patent number: 11180348
    Abstract: A lifting and jacking apparatus including a void former configured for embedment in a concrete slab before pouring of the concrete slab and a lifting bail removably insertable in and securely attachable to the void former. The void former includes a built in jacking screw configured to assist in adjusting the height of the concrete slab.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: November 23, 2021
    Assignees: Illinois Tools Works Inc., WNL Concrete Products LLC
    Inventors: Robert Urquhart Connell, Loyd E. McGhee, Jr., Rodney Brown