Patents

This page is intended to serve as notice under 35 U.S.C. § 287(a).

The following Leum Engineering, Inc. dba Dockzilla Co. products are protected by patents in the United States and elsewhere: ​

Dockzilla® Mobile Loading Dock (with Wheel Assembly): Protected by U.S. Patent 9,254,971

Dockzilla® Mobile Yard Ramp: Protected by U.S. Patents 8,869,334; 8,869,332;
European Patents Pending

Dockzilla® Mobile Loading Dock: Protected by U.S. Patent 9,051,136 B2;
European Patent 2,862,822

Dockzilla® Impactable Yard Ramp: Protected by U.S. Patent D640,854 and Chinese
Patent L201130024401.8

Dockzilla® Portable Loading Dock: Protected by U.S. Patent 8,869,334 B1

Dockzilla® Mobile Loading Dock (with Adjustable Leg Assembly): Protected by U.S.
Patent 9,150,369 B1

Dockzilla® Mobile Loading Dock (with Adjustable Leg Assembly): Protected by U.S.
Patent 9,169,090 B2

Dockzilla® Mobile Loading Dock (with Wheel Assembly): Protected by U.S. Patent 9,254,971

Dockshield® Removable Dock Barrier: Protected by U.S. Patent 9,260,258

Z-deck Truck Leveler: Protected by U.S. Patent 7,670,096

Dockshield® Removable Rail Barrier: Protected by U.S. Patent 7,017,643

Dockshield® Removable Dock Barrier: Protected by U.S. Patent 9,260,258

Dockshield® Interlocking Rail Barrier: Protected by U.S. Patent D740,962 S

Hydraulic Top-of-Dock Leveler: Protected by U.S. Patent D712,112 ​

Utility Ramp:  Protected by US Patent D813,488S

Dock House:  Patents Pending