87518491
Jul 6, 2017
May 1, 2018
Active Trademark
Dust explosion relief systems, namely, flameless explosion venting and quenching devices comprised of vent devices for receiving burning dust, flames, and hot gases from vessels in which dust combustions occur to relieve pressure and layers of stainless steel mesh in a quencher chamber for breaking the chain reaction of the dust combustion and absorbing the flame and hot gases for safe venting of dust combustion events
Environmental Control Apparatus