ALEXANDRIA, Va., July 21 -- United States Patent no. 12,685,291, issued on July 21, was assigned to PETPIVOT INC (Portland, Ore.).
"False-detection prevention litter box" was invented by Tieqiang Tang (Shaoyang City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A false-detection prevention litter box is provided. The litter box includes a litter box main body, a supporting platform, a first supporting leg and a weighing sensor. The weighing sensor includes a connecting part and a sensing part. The sensing part of the weighing sensor is configured to sense a change in a weight of the litter box main body. The connecting part of the weighing sensor is connected to the litter box main body. The sensing ...