ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,369, issued on March 11, was assigned to American Piledriving Equipment Inc. (Kent, Wash.).
"Wick drain shoe systems and methods" was invented by Eric C. Legault (Kirkland Lake, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wick drain shoe is configured to be connected to a free end of a length of wick drain material and driven by a mandrel of a wick drain insertion system. The wick drain shoe comprises a base portion and an extension portion secured to the base portion to define first and second shoe openings, an anchor portion, and a bearing portion. The wick drain material is connected to the wick drain shoe by inserting the free end t...