ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,794, issued on April 14, was assigned to MARIOFF CORPORATION OY (Vantaa, Finland).
"Upright sprinkler and a sprinkler system" was invented by Tuomas Saarikoski (Helsinki) and Samuli Jarvinen (Espoo, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "An upright sprinkler is disclosed. The sprinkler comprises a housing having a conduit extending therethrough, a heat-sensitive valve assembly configured above the conduit, and a nozzle arrangement configured below the conduit. The nozzle arrangement is fluidically connected to the conduit via the valve assembly, such that actuation of the valve assembly enables the flow of a fluid from the conduit t...