Patents/Inventors

John Head

Fountain Hills, AZUS2 patents

3 Patents

US124805892025
Pressure Relief Valve Assembly Including Series Coupled Valves and Related Methods
PREVCO Subsea LLC
0 cites
US120851812024
Dual Poppet Pressure Relief Valve with Vacuum Adaptor Capability
PREVCO Subsea, LLC
0 cites
US117031392023
Dual Poppet Pressure Relief Valve with Vacuum Adaptor Capability
PREVCO Subsea LLC
0 cites