This web page is provided to satisfy the federal virtual patent marking provisions and thus serves as notice under 35 U.S.C. §287(a) that the following products may be covered by the following U.S. patent(s).  Each product may also be covered by one or more foreign patents, and additional patent application(s) may be pending.  The following list of products and associated patents may not be all inclusive, and other products not listed here may be protected by one or more patents, and the failure to list such patents here is not an admission that they do not cover any particular product.  Products may be sold individually or as part of a system. Finally, the associated patents are owned by Wilian Holding Company, but are marketed and/or sold by one or more related subsidiaries, including EFCO Corp.
E-Z DECK Plastic WashersReduced friction coupling for shoring apparatusUS 6,941,708 B2
REDI RADIUSConcrete Form having adjustable curvatureCA2514731C
REDI RADIUSConcrete Form having adjustable curvatureUS 7,210,664 B2
PT-100Wall-climbing concrete form lifting systemUS10,914,083 B2
Super PLATE GIRDERHeavy duty spanning forms and related systems and methodsUS10,920,433 B3
E-Z DECK Post HeadAttachment device for concrete shoring apparatusUS 6,832,746 B2
CBC’sDouble bias corner formUS 6,502,802 B2
Hyd. Stripping cornerSelf-stripping corner formUS 11,008,765

Additional products may be covered by the U.S. patents below, which, are licensed from the patent owner.  

8,020,271Self-raising Form Control System and Method
9,611,663Self-lifting Concrete Form Adapted to Accommodate Horizontal Reinforcing Steel

Updated April 2021