ALEXANDRIA, Va., June 9 -- United States Patent no. 12,288,172, issued on April 29, was assigned to Maplebear Inc. (San Francisco).

"Resource planning for an online concierge system based on predictive modeling" was invented by Haochen Luo (Conroe, Texas), Eric Hermann (San Francisco), Rishab Saraf (Redmond, Wash.), Abhinav Darbari (Kirkland, Wash.), Teodor Lefter (Austin, Texas), Kenneth Jason Sanchez (Orange, Calif.) and Jagannath Putrevu (Daly City, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An online concierge shopping system fulfills orders using workers who pick items at a warehouse to complete an order and workers to deliver the orders to a customer's location. To optimize the staffing of w...