Wilian Holding Company
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.
Patents
| PRODUCT NAME | PATENT NAME | PATENT # |
| PT-100 | Wall-climbing concrete form lifting system | US10,914,083 B2 |
| Super PLATE GIRDER | Heavy duty spanning forms and related systems and methods | US10,920,433 B3 |
| Hyd. Stripping corner | Self-stripping corner form | US 11,008,765 |
| E-Z DECK | Shoring Clamp | 62/948,587 |
| EFCO DECK | Load release pin for concrete shoring apparatus | WO 2007133707 A3 |
| EFCO DECK | Stackable concrete forming apparatus components | WO 2007133709 A3 |
| EFCO DECK | Shore post leg assembly | WO 2007133444 A3 |
| EFCO DECK | Spring assembly for re-shore posts | WO 2007133692 A3 |
| EFCO DECK | Beam member of concrete forming apparatus having a supported nail strip | WO 2007133443 A3 |
| Swaploader | Hook Lift Hoist | US 11,383,630 B2 |
| Swaploader | Adjustable Height Jib for a Hook-Lift Hoist | US 7,726,930 B2 |
| Swaploader | Detachable Body Securing Mechanism and Associated Systems and Methods | US 12,280,988 B2 |
Patent Pending
| PRODUCT NAME | PATENT NAME | APPLICATION NUMBER |
| RAPID CAST | Corner Assembly | US 63/443,630 |
| RAPID CAST | Thermoplastic Facing | US 63/603,851 |
| BRIDGE OVERHANG BRACKET | Web Shoe | US 63/400,105 |
| PRECAST Formwork | Hydraulic Corner Wedge Lock | US 63/755,716 |
| REDI-RADIUS | RR Serrated Strap | US 63/820,194 |
| Accessory | Lockbolt Pin Removal Tool | US 63/899,070 |
| Precast Formwork | Tubular Interior Core Molds | US 63/976,004 |
| Precast Formwork | System for Rotation | US 63/975,851 |
Additional Products
Additional products may be covered by the U.S. patents below, which, are licensed from the patent owner.
| PATENT # | PATENT NAME |
| 8,020,271 | Self-raising Form Control System and Method |
| 9,611,663 | Self-lifting Concrete Form Adapted to Accommodate Horizontal Reinforcing Steel |
| 10,961,726 | Self-lifting Concrete Form Adapted to Accommodate Horizontal Reinforcing Steel |
Updated 23April2026