U.S. federal trademark · Serial No. 74513459 · Reg. No. 1885824
[ explosion and detonation hatches used in association with blast furnaces, ] flue gas control dampers [ , batch charging machines for feeding quartz sand into a glass furnace, lift-out roller drives, lehr rollers, equarris, lifters for handling materials operable mechanically, electrically or hydraulically ]
electric, pneumatic, hydraulic and computer controlled valves, namely wedge-within-wedge valves, through conduit valves, high performance butterfly valves, FCC-valves, [ solid shut-off valves, valves for glass tanks, flue glass change-over valves, ] combustion air change-over valves, [ double deck slide valves, ] flue duct valves [ and multi-louvre valves ]
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.