ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,942, issued on June 30.
"Pile with an upheaval resistant sleeve" was invented by Benjamin G Stroyer (Webster, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pile for being driven into soil includes a shaft and a frost sleeve (upheaval resistant sleeve) surrounding the shaft. The frost sleeve (upheaval resistant sleeve) is located on the shaft between a top of the soil and a frost line. The pile further includes a grout disruption (separation) plate. The grout disruption (separation) plate is located at the frost line."
The patent was filed on July 6, 2024, under Application No. 18/765,232.
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