ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,748,007, issued on Sept. 29, was assigned to EMERSON PROCESS MANAGEMENT REGULATOR TECHNOLOGIES TULSA LLC.

"Mechanical indicator for flame arrestor and method" was invented by Daniel Grundy (Preston, Great Britain) and Stuart Brooks (Bolton, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mechanical indicator for a flame arrestor including a housing configured to be a coupled to a flame arrestor and having a channel, a sensing assembly disposed within the housing and in fluid communication with the channel, the sensing assembly including a sensing area configured to sense pressure, and a pin disposed within the channel. The pin is moveabl...