Inventor

PORTERFIELD JOHN W

US3 patents

Patents

3 patents

US9309981B2Apr 12, 2016

Poppet valve with a frangible sealing disc for a pressure vessel

KIDDE TECH INC6 citations68

US12515810B2Jan 6, 2026

Hydrogen gas detection for aircraft

KIDDE TECH INC0 citations47

US12306066B2May 20, 2025

Ducted gas detector

KIDDE TECH INC0 citations37