ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,232, issued on April 29, was assigned to Starbucks Corp. (Seattle).
"Overflow detection system for a grease trap" was invented by Natarajan Venkatakrishnan (Seattle), Ryan T. Bell (Mill Creek, Wash.) and Lucas S. Abrahamsen (Seattle).
According to the abstract* released by the U.S. Patent & Trademark Office: "An overflow detection system for a grease trap or other receptacle is provided. The overflow detection system includes an overflow sensor. The overflow sensor can include a switch and a processor. The switch can include a float configured to float in a fluid in the receptacle, a surface that is separate from the float, and a resilient member coupled between the float and the ...