87518483
Jul 6, 2017
May 1, 2018
Active Trademark
Explosion isolation valve systems, namely, automatic pinch valves for placement in pipes that convey dust particles and associated explosion detector and controller devices that detect dust explosion events and signal the pinch valves to close in milliseconds to prevent passage of hot particles, glowing embers, flame, or pressure from continuing to flow through the pipes
Electrical and Scientific Apparatus