Inventor
O'BRIEN WILLIAM MARK
CA8 patents
Patents
8 patentsUS11473993B2Oct 18, 2022
Hydrant nozzle cap
MUELLER INT LLC22 citations93
US11422054B2Aug 23, 2022
Hydrant cap leak detector with oriented sensor
MUELLER INT LLC14 citations93
US10859462B2Dec 8, 2020
Hydrant cap leak detector with oriented sensor
MUELLER INT LLC31 citations93
US11342656B2May 24, 2022
Nozzle cap encapsulated antenna system
MUELLER INT LLC18 citations91
US11624674B2Apr 11, 2023
Hydrant nozzle cap with antenna
MUELLER INT LLC10 citations85
US11692901B2Jul 4, 2023
Hydrant cap leak detector with oriented sensor
MUELLER INT LLC7 citations82
US12078572B2Sep 3, 2024
Hydrant nozzle cap
MUELLER INT LLC4 citations74
US12489202B2Dec 2, 2025
Nozzle cap encapsulated antenna system
MUELLER INT LLC2 citations72