ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,183, issued on April 15, was assigned to Probe Technology Services Inc. (Fort Worth, Texas).
"Perforating-gun initiator circuit" was invented by Roger Archibald (Hurst, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "An initiator circuit for a perforating gun includes a microprocessor structured to perform a circuit-startup algorithm comprising determining whether the circuit supply voltage is stable enough for operation and, if it is, or if a predetermined period of time has passed since powering up the circuit, sending a message indicating the circuit (and thus gun) is ready for operation. The sent message may be a communication uplink indicat...